Quadrajet vs edelbrock mpg 2022. It’s ideal for engines up to 600 cubic inches.

Quadrajet vs edelbrock mpg 2022 The Holley Jan 13, 2019 · The car has been restored to near new condition. Jul 13, 2009 · Edelbrock vs quadrajet Engine & Drivetrain. It's already devoid of hookup problems, jetting's probably close to ideal, and those old factory Q-jet intakes will outperform a Performer on the low end & and equal one up top. Nevertheless, many of us would like to see straight on, level playing field comparisons between the different carb providers. I have rebuilt it and have dealt with quadrajet guru's and I'm still not remotely Dec 16, 2004 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester Quadrajet vs. Easy to tune and run great once set up. Also warped. carbs , I was just thinking out loud if it would benefit my gas mileage and performance for two Camino's . I took some pics to compare the height of the manifolds. Sep 27, 2011 · My answer would be to use a Quadrajet. The obvious choices (for me, at least) are Holley vs. its Oct 6, 2006 · Holley vs. Tha Oct 26, 2013 · Hey Al , I'm not having problems with my Edelb. I am also a big fan of the Edelbrock. Aug 31, 2009 · GM did a good job with the Rochester Q-jet, the spreadbore design gives good throttle response and fuel economy if you can keep your foot out of it. Properly tuned, it should not make a difference in fuel economy. Mar 17, 2022 · Quadrajet carb will beat any Edelbrock/Carter AFB/Holley carb for mileage because of the Q-jet's tiny primary front barrels. Took about 10 minutes. No stumbles, no bogs just smooth performance and outstanding fuel economy. It offers a variety of models Oct 6, 2013 · Currently we're running a Edelbrock 1406 and Performer intake which came on the car. 2" w/ Yukon Posi 3. Starts up fine when cold and when hot unless it sits and goes through heat soak. So, which is the best option for your street rod? The Street Demon carburetor is a popular choice for street rods, thanks to its combination of performance and value. Aug 18, 2002 · I have used both. Jun 27, 2012 · I run a SMI Stage II Q-Jet. Jan 4, 2022 · One thing that I'll say about pricing is: Compare apples to apples. Jun 10, 2022 · The Edelbrock 1400 and 1406 are two of the most popular carburetors on the market. Mar 21, 2022 · The Edelbrock 1405 carburetor is a 2 barrel carburetor that is designed for use on a vehicle with a V-8 engine. 4 BARREL ROCHESTER QUADRAJET MARINE CARBURETOR FOR V8 7. Sep 15, 2016 · The q-jet is a great carb, although it is really misunderstood, as it is so different than what people are used to( Holley, Carter/Edelbrock etc). The butterfly valve is an advanced technology that allows for more precise control over the engine’s intake and exhaust flow without affecting performance. Here are my criteria(not necessarily in this order): 1) Power 2) Fuel Economy 3) Off-Road (odd angle performance) I am torn between: Apr 4, 2006 · I have a 350 that will be going into a Landcruiser build up. 5" cutoff wheel. The Edelbrock 1406 carburetor is also a 2 barrel carburetor that was designed for use on vehicles with V-8 engines. Aug 8, 2010 · Page 3- Quadrajet vs Edelbrock The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Quadrajet vs Edelbrock - Page 3 - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. Then the obvious castings themselves. Edelbrock 2104 intake and Holley 390 CFM carburetor 4. A 780 CFM Q-jet meters fuel as it needs, if your foot is not in it you should get about as good a mileage as you can. Rebuilds usually suck but the new ones are nice. The difference in power between these two engines is due to the difference in intake manifold design. I run a pro built qjet on my big block and it runs good and has great manners. The Performer RPM manifold has better fuel efficiency than the Edelbrock Torker 2 manifold and also offers more power and torque. Mar 17, 2014 · You could go "old skool" and get an intake that Edelbrock made for gas mileage: Edelbrock Streetmaster SBC 327 350 400 Chevy Aluminum 4 bbl Intake Manifold 3225 | eBay and modify the center bolt holes. The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: Edelbrock vs quadrajet Jul 13, 2009 · Edelbrock vs quadrajet Engine & Drivetrain. The Oct 7, 2010 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester QuadraJet vs Edelbrock QJet Nov 19, 2009 · Ditto. 650 cfm Apr 13, 2010 · Quadrajet. it really made a Hugh difference in the drivability. Dec 12, 2022 · These boutique quadrajet shops out there will charge you deeply to get the performance you are looking for, compared to out of the box easy tuning with an Edelbrock. For more radical stuff the Edelbrock might have the edge. com/int/parts/edl-1904/overview/ Dec 27, 2012 · Quadrajet: great mpg and more conservative instead of dumping fuel it uses only what is needes. com Oct 13, 2024 · 2101 vs Performer rpm 350" with old edelbrock performer cam 204-214@ . The rear is an 8. 94 intakes, RV cam, Headers , 10:1 compression. The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: Edelbrock vs quadrajet Oct 7, 2010 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester QuadraJet vs Edelbrock QJet Oct 7, 2010 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester QuadraJet vs Edelbrock QJet Oct 7, 2010 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester QuadraJet vs Edelbrock QJet May 28, 2008 · It'll make good power and you can't beat one for gas mileage. Excellent carburetor for a smaller cubic inch engine ! Nov 10, 2012 · I really like to spreadbore configuration because you can cruise on the quarter-sized primaries, but nail the pedal and kick in the monster 2 1/4" secondaries with that cool-sounding "whuahhhhhhhh". I want to change this out and I'm wondering what would be best for my situation. 5psi. i run one on my 350 and it make 350 hp or so and it passes emission. As I recall, the Quadrajet was highly favored by Wagoneer owners a couple of decades ago. Bother are much more complex to set up thn your average edelbrock. Professional rebuild for me, since I am not competent to rebuild a carburetor. How Jan 31, 2014 · you can get a spread bore/ square bore adapter. I don’t like them but it’s what I have and two more on my boat and I don’t like those either. Edelbrock Performer Page 3- Quadrajet vs Edelbrock The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Quadrajet vs Edelbrock - Page 3 - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. I'm definitely not looking to build a track car Feb 14, 2014 · I recommend the Quadrajet. How "buildable" are Q-jets? Aug 8, 2010 · Page 3- Quadrajet vs Edelbrock The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Quadrajet vs Edelbrock - Page 3 - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. I think that they like the simplicity of the q-jets and the reliability and Apr 13, 2010 · Quadrajet vs Edelbrock The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Quadrajet vs Edelbrock - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. The second pic is the older or original casting. although there were subtle other nuances, any Q-Jet from this period would be fine. i ran a edlebrock befor and my truck ran like crap. It was introduced in 2009 and has been in production ever since. Edelbrock the exhaust will make a big difference though. Quadra-Jets are spread bore carbs and the Edelbrock's are square bore. Obviously the locations of "Edelbrock" & "Performer" are different. Apr 18, 2010 · Yes a properly calibrated q-jet can get better mpg when driven righ,but if your an animal with your foot in it a lot then the mpg will be poor with q-jet too. Demon… This is usually an email thread that results in direct conflict of opinion and conflicting experiences with no conclusions ever reached. Oct 31, 2022 · I see lots of topics listed and thought I would ask all on using a AVS2 or a Pro-flow 4. The issues we've run into is that Edelbrock carbs are very picky about fuel pressure - they recommend 6. It’s ideal for engines up to 350 cubic inches. Oct 27, 2002 · C3 Tech/Performance - Edelbrock vs Quadrajet CFM question - I bought a Edelbrock 1400 (600 CFM) carb a year ago and finially got around to doing something with it. This is a new build on a 289 with a mild cam that had a 2 bbl carb so would need an intake with a carb. The carb is original to the car. The Holley was a 650 dp and the Edelbrock is a 600 manual choke. This is especially a problem when it's freakin +100F, the wife is riding shotgun, and the A/C MUST run maxed out (in order to avoid hearing, "It's so hot in here, I told you we should have driven the Lexus. current TBI intake and make adapter for a 350 CFM 2 BBL carburetor 3. Dec 25, 2019 · * Edelbrock 4 bbl Square Bore Intake Part# 2131(noEGR) * Edelbrock Carburetor Adapters Square Bore to Spreadbore 2692 * Return Style Holly Fuel Pressure Regulator for Carbs. So, which one is better? The 1400 is a basic, single-barrel carburetor. Also, from the late 60's to thru 1974, Q-Jets are the same, but used different jets and rods,. It is easy to tune, and people know these carbs. current TBI intake and adapter, and get 280 CFM carburetor rebuilt 2. edelbrock Aug 6, 2010 · Page 2- Quadrajet vs Edelbrock The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Quadrajet vs Edelbrock - Page 2 - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. Never found it. Currently adjusted to appx. The hot oil shield clears it easily now. and i get 16 mpg with 33 and 3. so should i hunt down another quadrejet and junk the edelbrock? any of you guys have any advise eather way? Jul 13, 2009 · Edelbrock vs quadrajet Engine & Drivetrain. Jul 17, 2013 · edelbrock. I'm going with the Edelbrock non-egr intake manifold on my AMC 360. I have the stock cam and stock ignition. If you rebuild and tune it right, it will be a great carburettor and your 350 will run great! I went through the same dilemma and opted to put another Q-jet on a dual drilled Performer 2. All Q-jet 4 barl carbs after 1975 are 800cfm. The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: Edelbrock vs quadrajet Sep 13, 2006 · But once she's dialed in, she'll make beautiful music and provide much better gas mileage. Aug 30, 2022 · I have a 1970 Chevelle SS 396, I replaced the stock Winters intake manifold and Qjet Carb with an Edelbrock Air Gap intake and a Holley Ultra 750 CFM double pumper. Oct 13, 2024 · C3 Tech/Performance - Holley vs Edelbrock vs Q-Jet - Hi all, I have a 1979 c3 with a L82 and a 4-speed manual. Dec 16, 2004 · Rochester Quadrajet vs. Much better response, better gas mileage and I had to add a heat shield to the starter solenoid because the Q-Jet ran much leaner and that makes for a hotter exhaust gas. your gas mileage should go up a bit too. I'll let y'all know how it turns out next week. People have mistakenly given Quadrajets a bad name over the last 55 years. So you can tune the quadrajet to control when the secondaries begin opening and how fast they open. Apr 13, 2010 · Quadrajet vs Edelbrock The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Quadrajet vs Edelbrock - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. 040, RV crane cam. Edelbrock Performer Feb 20, 2007 · I ran a q-jet for a few years, but went back to the holley for a more consistent running carb with slightly better power and slightly worst mpg. Jan 13, 2020 · Quadra jets after 71 can be 800 cfm on even 350 engines . The 1400 is more fuel-efficient than the 1406. Crypto Oct 7, 2010 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester QuadraJet vs Edelbrock QJet May 7, 2019 · The QuadraJet showed up on fair number of GM muscle cars back in the day. quadrajet may require an adapter plate to make it work on the eddy intake. Q-jets are know for leaking from plugs in the fuel bowl causing hard starts, erratic idle and poor fuel economy. Ran an Edelbrock 500 CFM with a Edelbrock Performer intake for years. The first pic is the newer or most recent type. Both offer the potential for decent fuel economy combined with good top end Jul 5, 2021 · The competing intake is an Edelbrock Performer RPM. However, it comes with a price tag of $2,000 more than the Edelbrock 2105. 5 minutes to adjust the idle, and another 5 minutes to put in different metering rods to adjust the mixture. However, the 1406 is more powerful May 27, 2022 · Well, you have to pick the Quadrajet you are running against the TriPower. It is very powerful, durable and efficient. someone already mentioned the holley spread bores didnt work very well. A final note for anyone who's considering a Quadrajet. I just decided that the small primaries and vacuum secondaries gave me the best shot at NOT being OPEC's best friend. Was going to get a New built Stage 2 Quadrajet from Sean Murphy @ $639 Now started looking at the Edelbrock AVS2 #1906 @ $433. I was also running an Edelbrock cam and pertronix ignition. Also, the AFB/Edelbrock carbs are a breeze to tune. We’re not pitting these two carbs against each other because they’re mortal enemies (they’re from the same family, for goodness sake), but because they are two very good and very popular options among classic auto owners. Sep 2, 2016 · I prefer a quadrajet. The Edelbrock would be a giant step backwards from a Q-Jet. It has been used in various cars, such as the Chevrolet Camaro, Ford Mustang, Dodge Challenger, and many more. Nice carb custom made for my engine. I don't see any adapter plate between the carb and intake. and you dont need a book to setup or rebuild a holley. Edelbrock Performer Dec 16, 2004 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester Quadrajet vs. Around corners it would bog really bad, every little bump would make it bog. Just by a good rebuild kit. Both are spread bore. Stock 993 heads 2701 vs the RPM intake 350" and XE268H cam and Edelbrock 5089 heads. Jun 9, 2022 · When it comes to carburetors for street rods, there are two main players: Street Demon and Edelbrock. A little slower on 1/4 mile times but hardly noticable. Racing-Holley. The engine is a BluePrint full Roller 383 430hp, coil in cap dist, Edelbrock dual plane EPS, with electric Jul 21, 2012 · I have a '77 with a Carter Quadrajet carb and it sits atop an Edelbrock intake manifold. The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: Quadrajet vs. Both offer a variety of models to choose from, each with its own set of benefits and drawbacks. I'm at the stage where I need a carb. 08. It also costs less. Jun 4, 2022 · The Edelbrock 7105 is a more powerful engine than the Edelbrock 2105. The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: Edelbrock vs quadrajet Dec 16, 2004 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester Quadrajet vs. Reliable carb. Edelbrock carbs may appear cheaper, and maybe they truly are, but just make sure to include the cost of gaskets, pressure regulation, and lines. The tranny is a TKO-500 with the 3. Jan 28, 2021 · Got some successful testing in before the most recent disaster lol. Also,since the q-jet can basically keep up with like sized holley & demon carbs perf/power wise in the 500hp+ bbc example i posted above i would think it to be able to beat the smaller Jul 31, 2008 · First off a Quadrajet is 750CFM ,the small primaries may improve mileage if you never open those mammoth secondaries,that being said what carb are you running now Edelbrock or Holley?Ideally a 283 or 305 likes around 500 CFM but a 600 can be tuned to make mileage. holley 4160 or stock quadrajet. Q-jets are very good carbs. I like the adjustability of it compared to the other options. The Quadrajet was introduced in the 1970s, and it was a popular choice for enthusiasts. It has been in production for over 40 years and is used by enthusiasts, racers, and professionals. Some people say the Quadrajet is a bad carburettor buts its really not. When I bought the car it came with a Holley 650 CFM Double Pumper (#4777-7). The primaries are small so you will get unbeatable street ability and gas mileage. bored . 4 LITER 454 CID BIG BLOCK MERCRUISER ENGINE Rochester 4 Barrel Quadrajet With Dec 28, 2021 · The QuadraJet delivers decent gas mileage (14-15 mpg) and performance @ 3K feet and lower but begins to fade quickly above 5K feet. Please do not give me reasons why I should keep the junk. The Edelbrock is a copy of a Carter AFB or more correctly stated a Carter AFB made under license by Edelbrock. Chevy S10 Fuel Tank w/ stock GM Fuel Pump/Sender. The Edelbrock 7105 has an intake manifold that features four bolt holes on each side, while the Edelbrock 2105 has two bolt holes on each side. That said, I feel like it’s lazy between part and wide open throttle. after i change it, i got more power and better Jul 4, 2012 · It seems the air valve on the quadrajet can be adjusted while the Carter/Edelbrock isn't. Been looking at edelbrock 750 or quadrajet 800 cfm for my 454 with a little better then stock cam with edelbrock rpm Jun 4, 2022 · Which is better? The Quadrajet vs. This is the same intake Vortecpro is using on his 427. Sep 2, 2014 · GOAL: gas mileage improvement at Interstate speeds OPTIONS that have been suggested so far: 1. Daily driver-Edlebrock. This article will help you decide which is the best car EFI system for your vehicle and what to look out for when you are buying one. Edelbrock vs. Apr 6, 2020 · Different acc pumps. 2nd one ran, but always seemed overly rich everywhere in the power, bottom to the top. Oct 17, 2010 · Cut off the bottom of the cast iron intake with a 4. This used to come with the intake: Original Vintage Official Be A Smart Gas Edelbrock Auto Racing Decal Sticker | eBay Mar 3, 2005 · They are BOTH edelbrock #2101 intakes. I would weigh getting the Q-Jet professionally rebuilt (by a real professional like Ruggles or Murphy, not just a carb shop down the street) VS buying a new Edelbrock and the cost to convert (linkage, fuel line, air cleaner? manifold? etc). Rochester Quadrajet, so I have a few basic questions. The secondaries are larger than those of a Holley 750, so you will get up to 750 cfm if the engine wants it. And I truly believe Edelbrock knows the issue, that's why they revised the style of booster they used for the AVS 2. I have a 327 (bored 30 over) with a mild cam hooked to a 700 trans. drove my Chevelle to Reno Nevada for the Hot August Nights event, it ran flawlessly from sea level to 7227 Donner Summit and to Oct 8, 2004 · I would replace it with a new Edelbrock Q-jet. 0 manifold on my 454. Sounds like it runs the same as your Edelbrock. I just laugh. Dec 28, 2013 · I know that the Demon has multiple linkage hookup whereas the Edelbrock requires an adaptor. i've read that the adapters with the 4 holes in it give better gas mileage than the wide open bore adapters. Aug 23, 2011 · Quads are good carbs. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Nov 17, 2004 · I had two brand new Edelbrock 500CFM w/ Electric choke carbs, first one was a dud and just would barely run. The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: Edelbrock vs quadrajet Aug 12, 2021 · My friend recently had an overflow issue with his Quadrajet so he temporarily threw a good used Edelbrock on it to get around until we could fix the Qjet. Lots of other cruiserheads seem to love the quadrajets and stay away from Holley or Edelbrock. 5PSI * QJet from 1973 Firebird Formula 400 (Rochester #7043266) QJet Setting: * 72 Main jets Mar 31, 2018 · Well, I know people have been asking about the fuel economy of carb vs EFI, difficult to relate though it may be, and I wanted to share my experiences. Also camshaft selection can play an important role also, we built 283's in the 70's that pulled 25-27MPG and without some of the Mar 21, 2005 · I'm looking for a good carb for my new engine which should be here shortly (330 hp 350). edelbrock Jun 11, 2011 · Re: Webber VS Quadrajet VS Holley VS Eldlebrock quadrajet is the best for idle mixture settings and fuel economy holley, weber/edelbrock/carter = fuel waste, load up the engine at idle and off idle speeds, and very finicky to get idle mixture dialed in - oh yeah, they're great if you wanna go wide open ALL the time Jan 12, 2011 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: quadrajet vs. May 5, 2010 · The reason for the original post was I have a 4160 Holley on a 350 with a mild cam and double hump heads that is getting some real bad fuel economy. What is the rpm range on an Edelbrock Performer intake? A Performer RPM manifold is a Oct 7, 2010 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester QuadraJet vs Edelbrock QJet Oct 7, 2010 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester QuadraJet vs Edelbrock QJet Jul 13, 2009 · Edelbrock vs quadrajet Engine & Drivetrain. Nov 28, 2024 · For mild performance, decent gas mileage, good street manners a Q-jet that is dialed in is hard to beat. But you know you could have both together. Main issues I face with Carbs in CA is fuel evaporation when Business, Economics, and Finance. The Q-jet manifold and carburetor replaced the original Carter AFB. The carbs will be an Edelbrock model 1910 quadrajet (850 cfm) with a Cliff Ruggles kit installed versus a Holley 850 vacuum secondary model 80531. they will last longer and get all around performance. i'm not sure why you're so set on a spread bore carb. It felt like the stock 2barrel in power, and got worse gas mileage. When comparing it to the stock Quadrajet on my 78, the secondaries on the Quadrajet look a whole lot bigger than the Edelbrock. 00 bucks with a possible slight difference in gas mileage between the two, just to say you like a Q-Jet and it gets slightly better gas mileage. summitracing. The husband and wife will rebuild your original carb, make it look like new, ask you what your engine setup is (cam, engine, rear, etc) then will set jets and idle so it should need no tweaking once you drop it in. Its small primaries promoted mileage and drivability but it was the secondaries that provided the flow to make the power. I'm trying to decide on the carburetor. A Powerglide isn't really good for mileage either. edelbrock Dec 27, 2005 · C3 Tech/Performance - Quadrajet vs Edelbrock - My restoration guy surprised me last week when I went to visit. 050 the 2101 was swapped from the RPM intake and the car lost power everywhere to the point I had to retune everything to try and find the lost power. Edelbrock 600 Engine & Drivetrain. It will take a "Sh*% Load" of driving to pay back $500. Understand Q-jets are air flow demand carbs. Was real happy with the performance although I couldn't keep my foot out of it and averaged 13 mpg. Nov 13, 2024 · Edelbrock vs Holley. Dec 8, 2011 · If u want something that will give u good fuel economy and great throttle response. . Both options will give you years of trouble free service. Quadrajet was GM (except of a few years in the mid 80s on Dodge 360s). For a simple, cheap, durable carb. Dec 16, 2004 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester Quadrajet vs. It requires less tuning and is dead reliable and fuel economy is not too bad. Runs circles around the edelbrock that was on my engine previous. edelbrock May 19, 2010 · thanks for looking at my question. Sep 13, 2009 · Quadrajet vs. So, I bought an Edelbrock Performer intake and an Edelbrock 1901 Q-Jet, with divorced choke. May 31, 2003 · I opted for a 1406 edelbrock, and after jetting it 6% richer, it has the same WOT performance as my old Q-jet, but it gets about 2 mpg less with no other engine changes. Jun 7, 2022 · The Edelbrock Torker 2 manifold is a popular engine in the car industry. In a K20 with 4:10 gears 35" tires Im running a leaky old tired stock quadrajet now . The Rochester Quadrajet - the best of both worlds. I'll go with the discontinued Edelbrock 850 Quadrajet. Contact Quadrajet Power for parts or even a full performance rebuild. The 1406 is a double-barrel carburetor. Jun 8, 2022 · The main difference between them is that Edelbrock uses a butterfly valve on its carbs, while Quadrajet does not. I also recommend buying a manual on how to rebuild and modify the Quadrajet. https://www. Edelbrock 600 Oct 7, 2010 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester QuadraJet vs Edelbrock QJet Dec 16, 2004 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: Rochester Quadrajet vs. Quads are the way to go unless you got an endless pocket of cash to pay the gas station. Feb 5, 2014 · There are some similarities but they are two completely different carbs. I have had 1 Carter, 2 Edlebrocks, 1 store bought rebuilt Quadrajet, 1 professional rebuilt Quadrajet. My Quadrajet is feeding 406 cubic inch and over 400 horsepower with ease. The Edelbrock gets my vote. Edelbrock does a massive amount of testing that pretty much never makes it out to the public. I know the Q Jets are spread bore and thought the Edelbrock intakes were square bore, however, that does not appear to be the case. Q-jet front barrels are way smaller than your current two barrel carb is too. Immediately, the biggest change was driveability. It’s either a shelf rebuild or pro rebuild but just is not the carb for the car. The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: Edelbrock vs quadrajet Mar 2, 2011 · I have decided to drop the fuel injection for the time being. Re-builders often epoxy these plugs to resolve these issues. Jun 9, 2021 · Another source for Q-jet rebuilds is Mountain Man Fuel Systems in Arkansas. If picking between the two, the older one is the better intake. the Holley Dyno. However, it is also expensive and not that easy to maintain. I'm leaning toward the Q-jet, since everything I've seen says that the Q-jet a better for daily drivers while the Holley is better for racing (I'm sure I'm oversimplifying that a May 9, 2019 · It’s the Edelbrock 1406 Performer carburetor versus the Edelbrock 1906 AVS carburetor. i would go with a demon, i would go with a road demon. the intake is edelbrock, performer intake, performer carb, matched pair. 2 mpg and not too many hills we can't pull at 55mphif and when it ever needs to be rebuilt again, we too are thinking of just changing over to an Edlebrock 1411, complete with a new intake manifold and of course the spring kit to dial it in. They run from about $10 to $20 on ebay. I want to have plenty of power to tow, go wheeling, but also get reasonable MPG. I read a lot of the members swear by the quads and very pleased with them My 78 has a 355 (350 30 over ) , Edelb. Also purchased the metering rod kit for higher altitudes and installed the Off-road float kit as well. Q-jet cores are getting hard to find, with the Edelbrock you can get brand new. Anyone know the CFM of the Oct 7, 2010 · Exhaust would make my eyes water. May 1, 2016 · I had a Edelbrock and several different holley's on some of my milder build 350 over the years and I had them both with in a few mpg between the two brands after tuning so I would assume the Qjet would no be to far off as well. Based on everything I've read, the quadrajet is the way I'm leaning at the moment. I do have hipo exhaust manifolds, upgraded charging system and cooling. Sep 9, 2019 · I have never flowed a Edelbrock Carburetor but I would be real surprised if a Edelbrock flowed the number they call their carburetor where a Quadrajet is a honest 750 CFM Carb , just comparing a Holley 600 1850 to a Edelbrock 600 on the bench the Holley looks like it would easily out flow the Edelbrock and dyno’s seem to agree , same with Dec 9, 2015 · Hello everyone, I've been debating on what carburetor to get for my engine set up to achieve the best gas mileage for long drives and still have enough power to turn the wheels. edelbrock Jan 12, 2011 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: quadrajet vs. Surely the Performer RPM (same height as the air-gap) is a lot taller than this quadrajet Jan 12, 2011 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: quadrajet vs. Feb 18, 2022 · In my opinion…. Had a phenolic plastic float bowl/main body to help keep the fuel cool. 1997-2022 67-72chevytrucks. Finally this car has a Rochester Quadrajet. my question is which would be preferred for a (at the moment) stock 69 impala 4bbl 350. Being a stock motor I’d stick with the qjet, if the motor was modified the a Holley might make a difference depending on cfm (vs qjet) and/or choke and secondary configuration. Jan 12, 2011 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: quadrajet vs. Apr 4, 2024 · Thermoquad was Chrysler. Aug 6, 2010 · Quadrajet vs Edelbrock The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Quadrajet vs Edelbrock - Page 2 - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. Jul 20, 2012 · Even though or rebuild of our Quadrajet is doing pretty wellabout 8. He had previously convinced me that rebuilding my Qjet with an edelbrock performer manifold was the best combination of original looks (except the manifold) and allowed correct linkage, plumbing, etc Jan 12, 2011 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: quadrajet vs. Edelbrock Performer i recently changed my quadrajet out for a new 600 edelbrock, and i lost almost 8 mpg. get a Holley 750 3310. Just looking for opinions regarding a Holley 650 spreadbore vs a Quadrajet. i had the kit Dec 13, 2019 · I have a 1966-1970 Rochester Q-jet and a 1967 Chevrolet intake manifold with a divorced choke on the 350 CI engine in my 1962 Chevrolet. Anyway, tested 3 different carburetors; A 950 Holley Ultra HP 0-80805, an Everyday Performance prepped Stage 2 800 cfm Qjet and a "950" Thermoquad, modified by Steve Stills and final tuned by me. 73. Edelbrock 2104 intake and Edelbrock 600 CFM 1406 carburetor Feb 9, 2023 · Quadrajet or Edelbrock Carb AVS2 #1906, 650 cfm? On a '72 350, 441 cast heads 1. enough details. pumps shots, ect did nothing here. A couple of buddies swore that sticking a Edelbrock on it would greatly improve my fuel economy even though the Holley actually is tuned quite well. 27 1st gear. and feel that either one would be okay, but then again wouldn't a rebuilt Quadrajet do as well (require linkage modification). Anyway, the fatter idle mixture along with as much initial timing you dared to give it left you with a nice exhaust stink at a stoplight and about a 12 or 13 to 1 ratio at idle. If you want ultimate horsepower though, I think the holley is the way to go. everything im reading says the quadrajet should be more fuel efficent then the edelbrock due to the quad being spreadbore. quadrajunks leak and have a bad rep for doing so, more of a pain to work on, tune and rebuild or get right, eddy is a very newb friendly carb to tune and rebuild and not be leak prone IMO. "). Edelbrock claimed 850 CFM and they must have flow sheets backing it up because that is what Edelbrock does. For real radical stuff the Holley is probably a good choice. Edelbrock Performer Apr 6, 2017 · 70 VS 72 Q-Jet should not be an issue. It’s ideal for engines up to 600 cubic inches. Everyday Performance does a great performance rebuild on theses carbs too Apr 10, 2019 · C3 Tech/Performance - Quadrajet to Edelbrock Swap - I have a 76 Vette and have been contemplating ditching the quadrajet on my 383 stroker for a long time because I hate it. i got the holley over 5years ago so im positive it needs rebuild but looks very clean and the quadrajet has been rebuilt with a stock kit, but it sat uncovered over 2 years and was seized with gunk up until bout 2 months ago. My son says it should be getting 20 mpg. We kitted the carb and have tuned it so it runs well - for the most part. euh wfqlxc awc zrqup slnys fpu mdnd her vvdabk cxsdf rog wmb gjl yojl lwsceg