Gmc twin six for sale Renowned for its powerful performance, advanced towing capabilities, and cutting-edge technology, the Sierra 1500 is a standout full-size truck for any job or adventure. Copy Link to Clipboard Re: GMC 702 - V12 - "Twin Six" - arrives home Nov 18, 2020 · Those engines were the new-for-1960 GMC V-6s and a heavy-truck variant, the Twin Six V-12. com, the maximum recommended engine speed was 2400 RPM – the power peak. <p>-Kept under roof since purchase date-Under extended warranty until March 2028-Used only 6 times totaling 3,000 miles-New American-made Hercules RV tires-Replaced RV mattress with true queen bed mattress-Replaced RV sofa with dual recliners-Backsplash additions throughout-Pre-wired for solar panels-Daily 12 hour dehumidifier to prevent mold/mildew-Upgraded 1080p television-Electric RV GMC Drive-Train. Here is a list of Inline Six Cylinder Engines used in GMC Trucks in the 1960s: 194 cid, 235 cid, 250 cid, 261 cid, 270 cid, 302 cid. Like the V6, the Twin-Six was not built for revving; according to 6066gmcguy. Check on internet and see some awsome race ,street,hot rods made with these. com Forums The Parking Lot Big Bolts GMC 702 - V12 - "Twin Six" - arrives home: Forums Active Threads: Safety First -- Tech Tip Highlight Don't press your luck! · 1960s GMC "Twin Six" - 60° V12 for commercial trucks · 1963 Cadillac; all-aluminum, 500 CI V-12 engineering program, 6 built, none sold. Layout includes side dry bath with separate shower stall, side dining area (converts to bed )and private rear bedroom with windows on 3 sides. Gm’s final v12 was an obscure 11. This heavy truck, titled as a 1954 "Assembled Vehicle," features two completely separate Nov 9, 2014 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: GMC 702 twin six water pump removal 1977 Gmc Classic Royale , Original exterior. As a aside a Hall-Scott weighs more like 2500 ready to run. Must have been an industrial engine. ^ a b "GMC Twin-Six V12 Myths". com Forums The Parking Lot Big Bolts GMC 702 - V12 - "Twin Six" - arrives home: Forums Active Threads: Time to hit the roads! STOVEBOLTING! There are 38 new and used 1960 to 1966 GMCs listed for sale near you on ClassicCars. The truck was a single axle with a 5spd, 2spd Sep 29, 2017 · The last time GM made its own V12 was the GMC “twin six” truck engine in 1966. Find your dream car today. Huge V12 May 30, 2024 · One of a kind symbol vehicles title 1954 assembled vehicles has two 302 GMC inline 6 cylinder engine powering hydromatic transmission with two speed rear end each engine drives each rear end, rust free rare cab with internal sleeper used by international and Diamond T back then, hasn't run for many years great project for someone that has time to work on it Mar 11, 2021 · Forgive yourself if you're not familiar with the this truck's original 305 cid (5. I ran across a GMC Twin Six V12 engine. Griffin. I would love to have heard one of those running. ^ "GM's Final V12 Was an Obscure 11. Sep 18, 2024 · Though it showed much promise, the Twin Six never became as popular as GMC had hoped. All Aug 13, 2008 · There is another cool GMC engine that very few people know about that was the replacement for the 702. The displacement from GMC V12 effort became 702 ci, but the truly massive number is its scale-bending 1,485-pound Apr 11, 2009 · Re: GMC Twin-V eight 16 cylinder Engine I see these all the time in boats. . 5 L) V12 or “Twin Six” mating two V6 blocks into one utilizing dual carburetors, intake and exhaust manifolds, and other parts shared with the 351 V6. The market for pickups was booming and the emphasis on styling, comfort, and power was stronger than ever as all major manufacturers vied for a piece of this expanding pie. 59-inch stroke as the Twin Six. I don't know if they were offered for sale as industrial engines any later than 65, but I am guess Classic Packard Twin Six For Sale 1917 Packard Twin Six packard twin-six s by Year GMC. GMC Drive-Train. 5 liter (702 ci) GMC Twin Six truck engine. Graham. I like odd stuff and decided I had to find one. Griffith. Introduced in 1960, the Twin Six was based on GMC’s 60-degree V6 engine series, also unveiled that year. 5 L) “Twin Six” V12. com I stumbled across the 6066 GMC site a long time ago and I was surprised to see that General Motors made a modern (non flat-head) V12 at one time. GMC then decided to cast a huge, one-piece, iron, 12-cylinder block that mounted four separate iron heads and two intake manifolds. Come to Twin City Buick GMC to drive or buy this GMC Sierra 1500: 3GTUUDED3SG234012. Anyone ever seen one? Brother drug home two Chrysler 6 industrial engines years ago. Jan 18, 2010 · Packard's Twin Six was designed with some of the same elements of the legendary Liberty engines built for WWI airplanes (they're said to have been designed in only five days after a request from Oct 11, 2014 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1947 - 1959 Chevrolet & GMC Pickups Message Board: GMC 702 Twin Six V-12 There are 2 new and used 1986 GMC Sierras listed for sale near you on ClassicCars. Oct 4, 2017 · Yes, it does share many of the same parts as the V6 engines GMC was producing at the time but there are some unique properties as well. 0-liter crate engine with an iron block good for 717 hp for $35,000, but is Used 2024 GMC Sierra 2500HD AT4 Truck For Sale Twin Falls ID. Our goal is not to rebuild GMC V12 engines, but to create ThunderV12 engines. com with prices starting as low as $6,500. 124 inches in diameter, and pistons fitted with 1. I don't know if they were offered for sale as industrial engines any later than 65, but I am guess A Look Back at the 702ci GMC Twin-Six V12 Engine Posted By Mike Magda On February 11, 2013 @ 4:23 pm In News | No Comments [1] The Side Lot has the places with some action! From West to East, South to North into Canada, of course! Some groups have posted events that cover your roaming area. More B-Model GMC 7000s, the 2nd one was scrapped, but the engine was saved. December 17th, 2016, 01:45 PM. The Twin Six was marketed to fleet operators based on ease of maintenance—the engine, GMC boasted, could remain in service for at least 15,000 miles with only minor maintenance. Red line on them things was about 3600. · 1980s Cadillac Aluminum V12 - Never produced GMC Drive-Train. Save up to $0 on one of 895 2025 GMC Yukons near you. Retrieved 2008-10-05. GMC's Twin-Six V-12 Engine! 1960-1974 GMC V6 The 702 V12 was in GMC trucks from 60-65?. Jun 27, 2023 · Here we have an ad from GMC back in the day advertising a GMC firetruck powered by the twin-six V12 engine, and the ad specifically mentions how this engine could pump water at the lowest possible cost, making it quite an attractive option for fire stations that needed new trucks. 1960-1974 GMC V6 & V12 Engine Data. GMC MultiPro Tailgate, Six function tailgate designed to help improve loading Mar 19, 2018 · Enter the awe-inspiring GMC Twin Six. ^ "A Look Back at the 702ci GMC Twin-Six V12 Engine". That’s enough oomph to tow 60,000 pounds up a mountain grade. Engine Chart GMC developed a diesel-engine family based on its new V6, but buyers didn’t flock to them. I don't know if they were offered for sale as industrial engines any later than 65, but I am guess Jul 3, 2024 · 1932 Packard Twin Six For Sale 1932 Packard Twin Six packard twin-six s by Year GMC. The 1960 model year was pivotal for General Motors’ light trucks. The GMC Sierra 1500 is a popular full-size pickup truck known for its ruggedness, reliability, and versatility. Also great for pulling tractor. Oct 16, 2012 · 4. com/watch?v=BYT99rrQ_xY&t=31s Aug 24, 2019 · The 702 V12 was in GMC trucks from 60-65?. Commercial trucks in the 1950s used huge displacement inline six or eight-cylinder engines, with larger 5+ liter V6s gaining popularity during a period of automotive innovation. 5L) V12 offered on GMC 7000 series trucks in the 1960s. It wasn't two GMC V6s joined together- it had a unique block and crank, with four V6 & International to name a few. Q: What is the lowest sale price of a Packard Twin Six? A: The lowest recorded sale price was $39,200 for a 1918 Packard 3-25 Twin Six Seven-Passenger Brougham on Sep 4 2021. 21 April 2016. Sep 17, 2024 · Specifically, the GMC “Twin Six,” a 702-cubic-inch (11. For 1960, GMC offered the “Twin Six" V12, displacing 702 cubic inches, or 11. com 1974 GMC Twin Screw, Tandem Truck, 427, 5x4 Trans, Air Brakes, Great, Rust Free! Description of 1974 GMC Other 6500, Cab/chassis 265 Cubic Inch Straight Six Grigg if you can no longer get the pistons measure pin height pin size and check for any offset, check ring size and placement, skirt design and lengt Nov 25, 2005 · I had never heard of that GMC twin six V12 gasser before until I saw one sell at a Mecum Gone Farming Auction. Fully dressed, these giants tip the scales at a whopping 1,500lbs. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. 518 861-645two Marc Aug 10, 2023 · Sadly, the GMC Twin Six was no match for the diesel engine’s postwar popularity. Discover the 2024 and 2025 GMC Sierra 1500 for sale at West Metro Buick GMC, serving Monticello, Minneapolis, and Saint Paul. Data Pages GMC Twin-Six V12. 6L Duramax (S400/Stock) 1963 GMC Twin-Six V12 engine My Twin-Six page: Just to update, the fire truck listed for sale a few post above was sold, I just called and inquired. 5-Liter Truck Engine from the 1960s". GMC's Twin-Six V-12 Engine! 1960-1974 GMC V6 Find 1954 GMC Classics for sale by classic car dealers and private sellers near you Filters Sort Sort Results By Relevance Distance: Nearest First Price: Low-to-High Price: High-to-Low List Date: New to Old List Date: Old to New Year: Low-to-High Year: High-to-Low Mileage: Low-to-High Mileage: High-to-Low Test drive Used GMC Sierra 1500 at home from the top dealers in your area. The largest engine derived from the series was a 702-cubic-inch (11. Grigg if you can no longer get the pistons measure pin height pin size and check for any offset, check ring size and placement, skirt design and lengt Dec 23, 2017 · Ass-Kickin' Engine of the Day: GMC Twin-Six V12 After doing a little research on the GMC V6 in today's DOTS car (and recalling a reference to the Twin Six by commenter Paul_Y a while back), I find it necessary to pay homage to the mighty GMC Twin-Six engine. Jan 9, 2022 · This GMC Crackerbox looks so tiny. com Forums The Parking Lot Big Bolts GMC 702 - V12 - "Twin Six" - arrives home: Forums Active Threads: Safety First -- Tech Tip Highlight Don't press your luck! TrueCar has . lbs. From 1960 to 1965, when the last unit was produced, the division built close to 5,000 engines, which were sold Compound Turbo Kits (also known as Twin Turbo Kits) for the 2001-2004 LB7 Duramax have become one of the most popular upgrades for daily drivers and towing rigs. Compounding over your factory turbo Wehrli Custom Fab Twin Turbo Kit, Chevy/GMC (2011-16) 6. General Motors' production V12 from the early '60s: the 11. Since it produced prodigious amounts of torque, the 702-cubic-inch Twin Six proved a capable powerplant alternative for truck shoppers who were averse to diesel engines. Highly desired solid wood interior and floor plan by Coachman. GMC MultiPro Tailgate, Six function tailgate designed to help improve loading competition moves then up from in-line six to V8. Aug 2, 2008 · That is a 702 CID GMC twin six, famous for passing everything but a gas station ,in truck use 2-3 MPG. The 702 V12 was in GMC trucks from 60-65?. 105 new 2024 GMC Sierra 1500 AT4X models for sale nationwide, including a 2024 GMC Sierra 1500 AT4X Crew Cab Short Bed 4WD. 2025 GMC Yukon for Sale Near Me. Grand Design. GMC Big Block V6 Gas Trucks Come to Twin City Buick GMC to drive or buy this GMC Sierra 1500: 3GTUUEEL8SG265981. Jan 29, 2020 · To give you a scope of the challenge here, the crankshaft alone weighs in at a healthy 180lbs. I found a few sites where people posted pics of th Home | Tech Tips | Gallery | FAQ | Events | | Tech Tips | Gallery | FAQ | Events | There are 7 new and used 1954 GMCs listed for sale near you on ClassicCars. Describe what you The 702 V12 was in GMC trucks from 60-65?. ^ "Inside GMC's Mighty 702 Cubic-Inch V12". Jan 24, 2020 · The 702 cubic inch (11. It was built from 1959 through 1968 to fit restrictive length laws. V12 gmc. 9000 original miles,This is a running engine removed from local fire truck,complete (starter,alt,carbs etc). (diesels) I have a friend with two sets of V8 92's coupled together to make two V 16-92 (92 cubic inches per cylinder)for a total of 2600 HP. This 1961 GMC Wideside pickup in Loveland, Colorado starts and runs "smooth," according Feb 27, 2019 · You never know what you will find on the internet. 6066 GMC Trucks. Apr 25, 2018 · The crowing jewel of the project is the 1961 GMC 702 ci (11. 00 717-575-0970 Based on the current 1986 GMC Sierra 1500 listings for sale on Classics on Autotrader, you may find some that cost as low as $25,000 and max out around $55,000. I don't know if they were offered for sale as industrial engines any later than 65, but I am guess Sep 16, 2018 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > Welcome and Discussion > General Discussion The mother of all engines, the GMC Twin-Six V12 Web 67-72chevytrucks. I don't know if they were offered for sale as industrial engines any later than 65, but I am guess There was even a 702 cid (11. ” The vehicle was built by Ian “Elvis” Davis from Rod Bods Downunder. V8 basically made by adding two cylinders to the 478 V6. 56-inch bore and 3. We have a great selection of new and used GMC cars, trucks and SUVs. Nov 23, 2023 · The Twin Six V12 was in production from 1961 to 1965 only. /ft. Aug 3, 2023 · The GMC Twin Six V12: 702 Cubes, 275 HP At 2400 RPM, 630 Ft. Prices for a new 2024 GMC Sierra 1500 AT4X currently range from $76,584 to $91,775 . 1960 to 1966 GMC for Sale on ClassicCars. 5 ton, '53 GMC 2 ton, '51 GMC 640 5 ton, '47 Dodge 2 ton, '42 GMC CCKW 353 6X6. This is much stranger. 5 ton, '36 Low cab Chevy 1. Someone I worked for had two GMC 7000 series I think that they were which were more like the older high cab trucks that had the short hoods and did not tilt. 5 liter (637 cubic inch) 60-degree V8, has a similar 4. two roof a/c and generator. Sleeps up to six. 5-liter truck engine from the 1960sV12 truck gmc twin six custom 1964 engine frame The gmc twin six v12: 702 cubes, 275 hp at 2400 rpm, 630 ft. Only a small portion of these cores are good enough to become ThunderV12 engines. Very,very rare engine . 58-inch stroke engines displacing more than 58 ci per cylinder. It makes Apr 25, 2023 · GMC rated the engine for 275 hp at 2400 rpm (SAE) and 630 lb-ft of torque. Many of them were used on irrigation pumps in the Midwest. These were big, 4. 1960 to 1969 GMC Pickup for Sale on ClassicCars. There are 38 new and used 1960 to 1966 GMCs listed for sale near you on ClassicCars. They are a little bigger than the car flat heat motor. It moves a 70' sports fishing boat at over 40 knots. Referred to by GMC as the “Twin-Six,” there can never be any doubt that these engines hailed from the 1960s. com Jan 11, 2021 · Wearing four cylinder heads and two carburetors, the Twin-Six produced a mere 275 horsepower at a low 2400 RPM, but a staggering 630 lbs. Stan Aug 9, 2024 · And now, for something completely different, a truck with two engines! That's right, folks, and before you GM fans think we're talking about the 702 cid GMC Twin-Six V12 built from two monster V6 engines, we are not. Located in central PA. I don't know if they were offered for sale as industrial engines any later than 65, but I am guess Jun 5, 2018 · Powering this truck is a GMC twin-six, a 702ci V12 monster of an engine. 5 litre) GMC V12 was only ever built between 1960 and 1965, it’s estimated that approximately 5,000 were made, and that only 1,500 or so remain in usable condition today. The initial vehicle was a red hot rod before it was modified again for the movie. 1986 GMC Sierra for Sale on ClassicCars. It’s a favorite among truck enthusiasts for its powerful engine options, spacious cabin, and impressive towing capability. Apr 16, 2021 · As it turns out, that was actually a solid plan, and the GMC 702 “Twin Six” V12 was born. Before GMC trucks became a virtual clone of Chevy in every way, GMC made its own line of engines including some interesting V6 and related motors. GMC's Twin-Six V-12 Engine! 1960-1974 GMC V6 Jan 30, 2024 · 702 CI GMC v12 COMPLETE ENGINE AND TRANS Sooke, Victoria. '36 Tall cab Chevy 1. com There are 15 new and used 1960 to 1969 GMC Pickups listed for sale near you on ClassicCars. Search from 3547 Used GMC Sierra 1500 cars for sale, including a 2020 GMC Sierra 1500 AT4, a 2020 GMC Sierra 1500 Elevation, and a 2021 GMC Sierra 1500 AT4 ranging in price from $23,995 to $88,960. 12 February 2013. 1932 Ford Three Window Coupe Twin-Six V12 GMC V-12 out of fire truck. While the average price of a 1986 GMC Sierra 1500 is around $38,782, take a look at all the features, the vehicle's condition, and mileage to find the best deal. YouTube | 828 Adrenaline Flunkies Introduced in 1960, the 702 Twin Six was a monster in almost every Apr 21, 2016 · Here’s a look inside GMC’s Twin Six. Click on Pics above for Photo Gallery. Grigg [6066 GMC Club] [Memorabilia] [GMC Gallery] [VIN Numbers] [Discussion Group] [Lighting & Electrical] [V6 Performance] GMC's Twin-Six V-12 Engine ! KING OF GMC's GASOLINE ENGINE FAMILY ! This is the king of GMC's gasoline engine family, the power-laden 702 Twin-Six. com with prices starting as low as $28,995. Rear ratio 2-1 but ya still need a couple of gears to get it moving. Mar 8, 2015 · A V12 truck engine was not unheard of in the US and Europe, and the GMC’s 60 degree V6 certainly was not enough to power a larger truck. atGmc 702 cubic inch v-12 engine. The Thunder V12 is a one-piece GMC iron-block that contains the forged, 180-pound crankshaft, four-bolt mains, seven main journals measuring 3. com with prices starting as low as $7,995. It was a 637 CID 60 deg. While it may look like two V6 engines bolted together, it’s actually constructed using a one-piece block with a single crankshaft, four V6 heads, four exhaust manifolds and two intake manifolds and carburetors. All on Oct 4, 2017 · Thankfully there is one of these babies for sale on eBay so rather than just blather at you about the GMC Twin Six V12 we can tell you to buy one! This particular engine has lived in a collection of engines and is in damned fine shape, outwardly anyway. One of those had the twin six. $9,500. Its predecessor, a 10. 2024 GMC Sierra 2500HD AT4 . The latter figure arrived just off idle, at only 1600 rpm. Under its cab, you may find even GMC Twin Six V12 | law, GMC, engine https://www. Offered in 305, 351, 401, and 478 cubic-inch versions, the heavy-duty V6 was used across the GMC truck line in specific applications through 1974. A: The top sale price was $1,050,000 for a 1932 Packard Twin Six Individual Custom Convertible Sedan on Aug 12 2021. The GMC Twin-Six V12 & Toro-Flow Diesel Vechiles have been moved to New pages, Click on the words above to go to those pages of the 6066 GMC Guy Site. Lbs. I searched all over the 'net with no results. Dec 23, 2017 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > Welcome and Discussion > General Discussion: The mother of all engines, the GMC Twin-Six V12 GMC Sierra 1500 for sale in Brooklyn Center. Th Grigg if you can no longer get the pistons measure pin height pin size and check for any offset, check ring size and placement, skirt design and lengt Nov 25, 2005 · The article mentions GMC's 702ci twin six which as I understood it to be two V6 gas engines joined in line. 1950 GMC COE Twin-Six V12. Big and beefy, this 1,500 lbs heavy gas-guzzler was meant to haul 120,000 lbs in gross rating without breaking a sweat for hundreds of thousands of miles. Stovebolt. 1954 GMC for Sale on ClassicCars. Also in some Walter snow plow trucks. This specimen’s big bent six still runs after some 50,000 miles, most likely occuring off-highway and in one county. It's been 50 years but i do not recall that the V12 sounded much different than a V6. 1960-1974 GMC V6 Engines Page #1. 5 liters in the modern measurement style. Check Details. Now, hot-rodders have a rare chance to own an original example of this massive American-made V12 power! ThunderV12, LLC has a significant inventory of GMC V12 1960-1965 engine cores that we have disassembled and graded. GMC MultiPro Tailgate with six functional load/access features NOTE Stovebolt. Sep 15, 2024 · Enter the GM Twin Six, a low-revving, heavy-hauling engine that produced 630 pound-feet of torque between 1,600 and 1,900 rpm. 5 L) "Twin Six" V12, which had a unique block and crankshaft, but shared many exterior parts with the 351. 1964 GMC v12 Twin-Six Powered longnose "Rap'em Pappy" by Robert W Wunderlin of Sun Prairie, Wisconsin. of torque at only 1600-1900 RPM. V12LS is currently offering a 9. youtube. Oct 11, 2014 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1947 - 1959 Chevrolet & GMC Pickups Message Board: GMC 702 Twin Six V-12 Nov 17, 2024 · 'A Look Back at the 702ci GMC Twin Six V12 Engine May 11th, 2018 - Built for commercial use The Twin Six has a 4 560 x 3 580 bore stroke for 702ci It was produced in the early to mid ?60s for GMC commercial trucks and was often used in industrial applications like irrigation''Howell V Twin 4 Cycle Gas Engine Plans GMC Drive-Train. These engines make 250-275 horsepower and 585-630 lb-ft of torque from the factory. 0L) V6 powerplant. At 1600 RPM | Curbside Classic Mar 10, 2017 · Retired after more than half a century of service in the local small town’s fire department less than two months ago, condition looks to be as good as claimed, and the rare and super-interesting factory 702ci “Twin-Six” V12 under the cab makes for a very special old truck. On another thread on here about odd-fire and even-fire engines the 90 degree V6's are mentioned, the 637 was the opposite, an odd-firing V8, the only one ever 1964 GMC V12 Twin-Six "Rap'em Pappy" Click on Pics above for Photo Gallery. GMC sold complete power packs including V6 Engine, transmission, & all the mount you needed to install in a Competitive Model Truck. com with prices starting as low as $7,595. Ckick Here ~~~> For Video ~~~. Now they just sit. More info coming soon. The twin distributor drive, the four exhaust manifolds and some other specific parts are Twin Six pieces but other than that, the guts are much the same as this engine’s smaller, still low revving cousin. It uses around 100 gallons per hour at that speed. They were offered in a COE and a stub nosed truck. Diesel versions of the 351, 478 and 637, advertised as the ToroFlow , were also manufactured. And remember, your V6 is exclusive only GMC has it! The Chevrolet 250 L6 engines also offered in GMC Trucks, this one in 1966 it both the States & Canada. com Readers Matt Wishart and Clammie both pointed out another fun fact: The GMC Twin Six makes an appearance in Mad Max: Fury Road in the 1932 Ford three-window coupe named “Elvis. However the GMC Twin Six 702 V12 has acquired an outsized reputation as a cult object for certain hot-rodders rarodders and bloggers! Junk Yard Find GMC B-7000 trucks with Twin-Six. From the venerable Detroit Diesel two-strokes to household names like Cummins and Caterpillar, oil-burners chipped away at the big GMC’s sales to the point where only 5,000 made it out of the factory between 1960 and 1965. June 1, 2007. Ron found the engine on an irrigation well in Northern Texas where it ran most of its life on natural gas. 6066gmcguy. com - 60 per Page View Ruby Mountain Motors Twin Falls's GMC for sale in Twin Falls ID. grqhiez rkpf gpvvt yydaq ueerny tqali wpvin sekfk bpt tzbg atkmg sotmjx wtdvwx aflpu cxy