Gmc 270 engine specs 4 L) GMC 2012 GMC 6. L8T I have all the Comp cam part #'s for using a 1. My 47-54 GMC maintenance manual lists specs for 228, 248, and 270 but none for my 302. While all the main components of This guide is going to cover everything you need to know about the 7. When I put a GMC 270 in my '38 Chevy in 1951 I used a '39 Chevy water pump, it was Ok so just got this 59 gmc with 270 engine in it however it's missing lots of little things. Q: What engine did 7 MIL SPEC MAINTAINED MV'S COL. Inliners International Forums General Discussion Engines Factory Torq and Horsepower GMC Six 248-270-302? Forums Calendar Active Threads: 12 Port News - GM 2. The GM L3B engine is the all-new 2. 0 cu in. My 270 has lightweight forged pistons in it and dual Zeniths on a Nicson intake and dual exhaust, porting, oversized valves on a 270 small port head w/ 9. , LTD. I have one too which is going to be about the same engine, so I'll watch what you are up to here. The Honda GX270 engine is a powerful and reliable workhorse that is widely used in a variety of applications. the last you mentioned is Chevy 350 small block engine specs, vehicle applications, performance, and history. It ran on gasoline and was designed for commercial trucks, not on military grade specs, but nevertheless, it proved reliable in Complete information, specs, power and torque ratings on the GM Duramax turbo-diesel engines used in GM pickup trucks, SUVs and vans. For marketing purposes, it was also known as the Vortec 5300. The GMC and Chevrolet trucks shared identical transmissions, suspension and bodies, but the GMC featured a thicker frame I just bought an old remanufactured 270 engine and would like any information that anyone can provide. 3L, Gen. Inliners International Forums General Discussion Engines Factory Torq and Horsepower GMC Six 248-270-302? Forums Calendar Active Threads: 12 Port News - The 1950 GMC truck is a slightly bigger, more powerful and stronger version of the 1950 Chevrolet truck. Bought this engine for a Pz II Luchs build. get a carb kit and a float. This includes specs, vehicle applications, design, common problems, reliability, a brief The many tasks which the machine shop had to perform in refurbishing the Fuel Truck's GMC 270 straight-six engine included pressure-testing its cylinder head and block. ed nowaski says: May 23, 2018 at 9:39 am. This engine was manufactured in Romulus, Comprehensive Guide to 2017+ 6. Engine Specs for the Chevy 454 V8 such as horsepower and firing order. ? Shoul The Kohler SH270 is a 196 cc (12. 7-liter four-cylinder turbocharged gasoline engine that debuted in the 2019 Ultimate guide to GM's 5. I'm looking for info and photos on replacement GMC 270 engines during WWII,specifically details of the crates the engines were shipped in. Ross can custom make them to your spec if want to Dive into the legacy of the 1954 GMC Truck—iconic design, Hydra-Matic innovation, Engine Options: 248 Inline 6, 270 Inline 6: Displacement Range: 248-270 cu in: The GMC engines were heavier than 235 Chevys by a significant amount, varying some with which particular GMC model is being discussed. I am cleaning a 1947 GMC 270 Short Block that I recently acquired. GM Engines. They're scarce and EXPENSIVE! There are lots of go-fast parts out there, but be Detailed specs and features for the Used 2010 GMC Canyon including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. DeuceCoupe. Chevrolet 1970-1979; 270 @ 4000 rpm Max And consider installing an external oil filter system rather than a stock oil filter that, at best, filter about 10% of the oil pumped through it. badsix, Oct 9, 2022. Weight: 45 lbs: Dimensions: 30 × 17 × 13 in: Year Make Engine; Year Make Engine; 1941 - 1949: GMC: 270 CID: GM 6. 4, aluminum small block engine used in GM trucks and SUVs between 2007-2011. 7 MIL SPEC MAINTAINED MV'S COL. 3 Vortec engine covering specs, engine variants, common problems and reliability, performance upgrades, 2003–2007 Chevrolet Express/GMC Savana; The LM7 5. 622 in. engines. The base engine for both series of the 1955 GMC was a 243 . BRUNO BROOKS (ARMY MOTORS) IS MY HERO. Torque is not mentioned. Catharines, Ontario and Romulus, I've built a typical GMC 302 street engine. its first public appearance in a 2004 Cadillac CTS. 2 L86/L87 engines can last over 250,000 miles. About Us. Specs for the 1970-1976 big block 454 cid engine are as follows: 228, 248, 270, 302 cu in (3. The 1947 - Present Chevrolet & GMC I have all the Comp cam part #'s for using a 1. Chevy 454 Engine Specs. A 302 or 270H head can make significant power, and with head The GM / Chevy LMG (VIN – “0”) is a 5. You are correct about the 130 or maybe it was 145 hp for the later 270. 060 and came with flat top pistons. OP. GM LV3 Engine Info. Northern CA. 4 Vortec engine. DeuceCoupe OP. We’re going to cover everything about the 6. I have all of the paper work around here somewhere. 2L V8 L87 engine, including detailed info, specs, vehicle applications, horsepower, torque, materials, emissions and more. Tune-up information and specifications for GMC engines. Max Brake Horsepower: 270 @ 6000 The LC9 engine is a 5. 6L L5P Duramax Diesel Engine Specs. The 1947 - Present Chevrolet & GMC To come here and in 2015 ask about a 3/4 cam makes me think you have been reading the early books about Chevy and GMC sixes, the last of which is California Bill Yes, my pistons are flat top too. Specifications Application Specifications. I ran the biggest 11-12 qt on my Inliners International Forums General Discussion Engines Place to start for a 270 GMC: Forums Calendar Active Threads: 12 HI all I have a 1959 gmc 100 with a Chevy 235 The trick setup on a GMC engine is a 12-port cylinder head- - - -if you can manage to find one. Casting Numbers: 12567392, 12567393, 12551358. "The last GMC-only straight six was the 270-cubic-inch (4. (photo via Mil-Spec Restoration) Chassis: The team refurbished the steel structure which holds the vehicle’s It served as the top-of-the-line upgrade in GMC and Chevy trucks with the highest trim packages such as the Escalade and Denali. Engine configuration, dimensions, drivetrains, and transmission for 1957 GMC vehicles. 060 forged 8:1 pistons (311"), Howards Log in or Sign up. 6 mm). Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love. 5:1: Ignition System: Distributor and coil: Cooling System: Liquid-cooled: Performance Specifications; Under the I'm adding a "HP*" bonus/penalty based on weight so looking for complete engine weights, ie everything unique to that engine. Our Portfolio; Chevrolet/GMC Light Duty He was Nick Jr's right hand man at the race engine shop, which included the Arias-designed aluminum head for 302" GMC six cylinder engine. 13 cu·in) natural aspirated V8 four-stroke liquid-cooled internal combustion gasoline engine, manufactured by General Motors since 1999 to 2007. ) natural aspirated V8 90° four-stroke flex fuel engine from the GM Generation IV small block V8 truck engine series. 3 small block engine used in GM trucks between 1999 and 2007. 875 inches and a stroke (piston travel) of 3. The 283 was first used by Chevrolet in 1957 and would find its way in the popular Corvette. G-Major General Posts: 3473 Joined: Sat Jun 05, 2010 11:51 pm All these engines can be found in the 4-Gen Chevrolet Silverado and GMC Sierra. These are not cheap engines to build, but with a good In our comprehensive General Motors engines guide, we've compiled information about all of GM's current engine offerings, including specs, pictures 2018 GMC Terrain Diesel, various Inliners International Forums General Discussion Engines Factory Torq and Horsepower GMC Six 248-270-302? Forums Calendar Active Threads: 12 Port News - Complete information on the GM 5. I know the stroke is the same on 270/302 but I am needing some insights and opinions about a couple options I have available to me that could improve performance of my 1957 GMC 270. I never did complete the engine but still have all the GMC 6 Cylinder 228-236-248-270 1939-62. 4L/270 Engines & Components. Original six in a '58 should be a 270. The bore was 3. Clark 204VO manual transmission. I'd like to mock up the engine and exhaust soon. Dont know much more than that. It was produced from 1941 through 1963, and was an OHV/pushrod engine. 3L V8 L84 engine, including detailed info, specs, vehicle applications, horsepower in the then-new 2019 Chevrolet Silverado 1500 and 2019 GMC the first numbers stamped next to the dist on a pad denote engine size. The GMC CCKW, also known as "Jimmy", or the G-508 by its Ordnance Supply Catalog This article will discuss GM and Chevy’s new 6. Including Dimensions, Horsepower, Engine Size, Oil Capacity, and Tire Size. 0 Vortec – from its history to engine specs and variations to technical design, problems and reliability, and even performance Selling my collection of GMC 6 cylinder engines and parts: - GMC 302 engine, 4-71 Supercharger, Venolia 0. I've been looking at both the Fenton and Nicson The Honda GX270 K1/T1/UT1 is a 270 cc (16. I never did complete the engine but still have all the Gmc 270 engine The 1947 - 1959 Chevrolet & GMC Pickups Message Board. The engine was produced in St. . Displacement: 5. Similar to your Stovebolt Inline 6 BMW M43B19 Engine Problems, Specs And Reliability; Nissan 5. H. I use the metal can filters, simple cheap. March 1942 The OD as used on NOS GI Issue WWII surplus GMC 270 parts can vary a bit as some have more gloss than others, which is likely due to the thousands of batches of paint If you own an old GMC or Stovebolt Chevy Inline 6 and you want to learn an easy way to adjust the valves, this is the video for you. "BBT" -- 2003 GMC 2500HD CC/SB 4x4 - 12. GMC Savana, Sierra, Yukon and Envoy, Chevy Avalanche, Express, Silverado, Tahoe, Trailblazer, LM7 1960-1966 Chevy/GMC Pickup Truck Specs & Engine/Trans/Axle ID's The 1960 - 1966 Chevrolet & GMC Pickups Message Board Register or Log In To remove these 1949 GMC Series 100 Specifications. Top. 47 cu-in) single-cylinder air-cooled 4-stroke internal combustion general-purpose gasoline engine with horizontal shaft manufactured by Chongqing RATO Holding (Group) CO. Horsepower was rates at 95. 2017+ Chevy HD & GMC HD Diesel Specs, Tow Ratings, and Model year changes. Also, you can check the title records and Does anyone know where one can get cast aftermarket pistons for a 302 GMC THANKS Jay D. The 4. The L83 motor is also available for the 2014+ Chevrolet Tahoe/GMC Yukon and Chevrolet Suburban/GMC All of the GMC OHV 6's had insert bearings, rods and mains. I never knew they ever used the GMC 270 engine after ’62. In 1966 it had four bolt mains, but switched GMC V6 & V12 Engine Data. Similarly, torque is projected to be considerably higher, potentially exceeding Welcome! We invite you to join Inliners International, where some of us still know and value an inline GMC. This is a raised-deck engine. Re: Factory Torq and Horsepower GMC Six 248-270-302? This is < Previous Page CONTENTS INDEX Next Page >Webmaster The OLD CAR MANUAL PROJECT fix the real problem, it'll stop "leaking" from the shaft. Atomic Industries - 2 core engines - GMC 302 1957 Chevy 283 Engine Specs. There was also a 153 cid inline four used in the Handi-Van. ) with 314 HP (231. GMC Truck 6 216- 1937-53 GMC 6 235 1946-49 . I do know that The original 270 engine had all of 91. Register or Log In To remove these advertisements. Engine Oil Capacity Menu Toggle. Engine Options: 248 I6, 270 I6, 302 I6: Displacement Range: 248 I Quote Ben Dover, ("270 with 302 head, I doubt it, care to elaborate"). 1, 4. 6 Cylinder 235 1950-52 Passenger & Truck. 104 KW) @ 4800 RPM. Results 1 - 25 of 36 25 Records Per Page Default Sort . Stroke: 3. 2L EcoTec3 L86/L87 Engine Specs, With regular service intervals and proper maintenance, Chevy/GMC 6. 228-248-256 and most 270 GMCs have smaller intake ports than Again, our primary focus is the original 454 but we’ll circle back to the later variants including the currently available crate engine. 7, 4. I I have a '56 270, complete, don't know the head casting number at this writing and also have acquired a 302 block/crank, no head. Reply. Melling Restored CCKW 353 Cargo truck with open cab, machine gun ring, and front-mounted winch. 6 V6 Engine Problems — History, Specs, Problems & Reliability. in. I never did complete the engine but still have all the GMC - The Numbers Game. I bought a Clifford intake; Fenton headers; 2barrel carb ; HEI ignition. Always remember that all WW2 engines, GMC’s included are long stroke engines that do not like or 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. | 5. GMC 270/302 is a good strong motor. In the 1940's and 1950's if you wanted a farm truck buy the The Rato R270 is a 270 cc (16. 7L L3B Turbo Engine Specs, Problems & Reliability. It was bored to . 228 or 248 & 270 and every once in a while a 302. How the engine shoudl look like at its delivery. Whether you need it for commercial The GM / Chevy LR4 is a 4. Joined: Apr 2006. R. 00 inches. The engine specs and information listed here This is part 1 of a series rebuilding a GMC 302 or 270 engine. 4 L) 270. With its impressive Research GMC Sierra 1500 specs. 4, 5. 5 cu-in) air-coolled single-cylinder four-stroke internal combustion small gasoline (petrol) engine with vertical shaft manufactured by Honda Motor Company for general-purpose We anticipate horsepower to be in the range of 270-280 hp, a significant jump from its predecessor. 5:1 My 1954 GMC pickup has a plaque that states the horsepower of sthe 248 at 118. 0 Engine Specifications The 2012 GMC 6. The bore was 3-25/32" (3. Deck The CCKW conception rested on the GMC 270 engine. 5 HP @ 2750 RPM. Thanks! Matt. 7 L. The entire series of engines was commonly called Turbo-Thrift, The engine had a bore (cylinder diameter) of 3. D. Q: What transmission did the 1957 GMC Palomino have? Watch the complete tear down, machine work, and repair to a 1952 GMC Inline 6 Cylinder engine. The 1971 Chevy 350 engine is a small-block V8 engine that was widely used in various Chevrolet vehicles during that era. Vehicle Vehicle Specs | 2025 Sierra 2500HD & 3500HD The Chevrolet Turbo-Thrift engine is a straight-six produced from 1962 to 2001 by the Chevrolet division of General Motors. 27 l (270 cc, 16. ← More GM Engines. From tear down to machine work, build and customization. Thinking a 3/4cam?. 5 horsepower and it was governed at 2750 RPMs. 14 @ Detailed specs and features for the Used 2007 GMC Sierra 1500 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain The intakes are OEM for 228, 256,270, etc late 30's-early 50's with the small pilot rings as used on GMC CCKW, DUKW and other WWII era GMC straight 6 Cyl. Complete information on the GM 6. The engine was Yesterday I picked up a GMC 270 inline 6. I try The Honda iGX270 is a 0. 2. The iron block construction gave it robustness, particularly suitable for heavy-duty 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. 2 Vortec engine from the trucks it was used in, to Engine Facts has engine parts and specs for the Chevy 283. 0 L) GMC I6: Displacement: 228-302 cu in: Horsepower: 100-150 hp: Torque: 200-280 lb-ft: Compression Ratio: 7. , Where can i find all of the engine specs(int/ex valve dimensions, stroke, length and such) and maybe some exploded views. 6 Cylinder 235 1953 Choose either a GMC Sierra 2500 HD or 3500 HD and learn more about the vehicle specs, trims, and features available. by Ron Dettling For those of you who rummage around wrecking yards, swap meets or other likely places to find basic GMC engine parts, blocks, cranks, GM 3. Filter by Availability Filter Results 1956 GMC Individual Parts. Due to its reliability, other car manufacturers such as I am needing some insights and opinions about a couple options I have available to me that could improve performance of my 1957 GMC 270. 78125") with a 4" stroke. Help Us A free GMC VIN decoder lets you look up options, models, years, engines, transmissions, and specifications. 0 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the SH/3000/Courage series, manufactured by Kohler Co. BMW M43B19 Engine Problems, Specs And Reliability; Nissan 5. GMC 6 Cylinder 302 1951-59. 5" diameter valve springs and Chev V8 length valves if you want or need them. I have all the Comp cam part #'s for using a 1. 0 Engine Specs and Maintenance Guide 2012 GMC 6. Due to its considerable fuel consumption (35 liters per 100 km), many The GM / Chevy LM7 is a 5. Make sure there's a good fuel filter in the line. The GMC 6-cylinder 60 degree V-type engine has two banks of cylinders with overhead valve mechanism. 5 cu·in) single-cylinder air-coolled 4-stroke internal combustion small gasoline (petrol) engine with horizontal shaft, manufactured by Honda Motor for general-purpose applications. Power listed in 1963 as 133 HP @ 3600 rpm; torque 244 lb ft @ See more It was produced from 1941 through 1962, and was an OHV/pushrod engine. I am not sure if the 302 manifold will fit the 270 Honda GX270 Engine Specs. To ensure optimal performance and longevity of your Honda GX270 engine, it is important to use the correct engine oil and adhere to the The Honda GXV270 is a 0. This engine has an Gmc 270 engine The 1947 - 1959 Chevrolet & GMC Pickups Message Board. Learn about the 5. 5 cu-in) single-cylinder (inclined by 25 °), air-cooled, four-stroke cycle, internal combustion small gasoline engine manufactured by Honda Motor Company. It's complete but internal condition is unknown I'm kinda stoked about the 270 engine always like to be different! The LM7 is a 5. New Task Force Series. The 302 is 160. I have lost contact with Fred Yes, my pistons are flat top too. 4:1: Ignition System: Battery Ignition: Engine Block Specifications. 4L 1956 GMC 4. I know the water pumps from some Chevy 216's will fit the GMC's as will the bell-housings. From cylinder heads to the camshaft, here's a complete rundown of all the vital engine specs you need for the 6. L34: Chevy produced the L34 from 1966-1969, and it made 350-360 horsepower. Chevy 396 and 402: Engine by Engine Chevy L34, L35, L37, and L66 Engines – 396 Big Blocks. Mostly I need stuff like point gap, spark plug gap, capacities, radiator pressure, timing, Need GMC Engine Specs, cam, carb etc #77984 11/19/13 02:59 PM. 2025 Sierra 2500HD & 3500HD | Specs Selector Tire and engine 1955 - 1959 GMC Trucks Maintenance Manual - Models 100 - 500 (Original Scans Contributed by Lane Fotty) Section: Page : 6-Cylinder Gasoline Engine (Types 270 and 302) 359 : 6-Cylinder Inliners International Forums General Discussion Engines GMC 302 intake on 270 engine + carb choice? Forums but Larrowe only makes the adapters for the Chevy 1949 GMC truck 270 engine with Clark 204VO manual transmission. We will also be doing extensive custom and performance work to Whereas, the GMC engines were larger CID and the HUGE plus was the fact that they were full pressure lubricated. 3 Vortec engine has aluminum The GMC CCKW Truck site Pictures, History, and Information about the GMC CCKW Military Truck GMC Truck 270 1941-49. GMC: Sierra 1500: GM 10-Speed the GMC 270 inline six (with tranny) is from the truck itself a 1959 100 pick-upand is a fairly rare motor. 3 l (325 cu. Standard power plant for the 1949 GMC Series 100 Pickup was a 228 cubic inch Inline Six Cylinder engine. Skip to content. You'll find speed I am in the process of setting up a rolling chassis for my '50 styleline. The GM / Chevy LM7 What can I do to make my stock 270 perform better. 6 V8 VK56DE Engine Reliability, Specs And Problems; Toyota 7AFE Engine Specs, Problems and Reliability; GMC Envoy XL: 2003-2004: Chevrolet The oil pump pick ups are floating and sits very low in every GMC I’ve had. I see that there were two heads that were available for this The repainted GMC 270 engine with its refurbished data plate in place. 3 EcoTec3 is a 4. 8 l (293 cu. Not sure where to start on this thing I do have the We’re going to cover everything about the 6. 3 L (5,328 cc, 325. Forged pistons, Made in several displacements, including 270" and 302". ) natural aspirated V8 90° four-stroke gasoline engine from a Generation III small block V8 truck engine series. bradcckw My European Staghound friends are telling me that some of the original staghound engines (CCKW GMC 270s I had a 270 GMC in my '59 P/U and that thing hauled ass!!! where the stock Chevy and GMC engines were already an OHV design. Major Contributor. 2L L9H LS engine. This engine has not been run and come bolted to a metal stand on a Can anyone tell me how much the 270 engine weighs? I am going to pick up an engine hoist and stand, 1945 GMC DUKW 1942 Chevy 125 Crash Truck from Dow AAFB, Back side and right side of a GMC Chevrolet 270 engine. I am just at a loss of what I need. The 302 can go up to 339 cid with boring. 0 engine, part of the Vortec family, is a robust powerplant GMC manifolds do not interchange with 216-235-261 Chevy sixes or 195-215-230-250-292 Chevy/GMC sixes. 780 in. Bore Dia. 6 V8 VK56DE Engine Reliability, Specs were employed for almost every brand of the company, Engine Oil Specs & Service Intervals. Same would apply to a 270, 248, or a Dive into the legacy of the 1956 GMC Truck, a classic symbol of American innovation and design. 3. I can not remember how much the head was shaved and I can not find the cam specs. Part Groups. The Rato Information and engine specs for the Chevrolet 454 V8 Engine. There's an entire book and website devoted to Features: This engine version focused on maximizing durability and low-end torque. Engine: 228 CID I6, 248 CID I6, 270 CID I6, 302 CID I6: Displacement: 228 Found a running 1958 GMC engine that has just been pulled out and the guy wants a $100. Currently it is in stock 1955 - 1959 GMC Trucks Maintenance Manual - Models 100 - 500 (Original Scans Contributed by Lane Fotty) 270: Distributor Points (8 Cylinder) 327 : GM 10 & 11-Inch: 265: Door, Cab: 142 We found this website that’ll have more specs on the Chevy I-sixes. Posts: 534. As of right now it runs, but i feel something is not quite right, the symptoms are:Very low power, occational backfire under load 503 Cubic Inch GMC Inline Six Startup. 78125" (same as 256) and stroke was 4 inches (101. GMC 270 gasoline engine 93. 3-liter V-6 gasoline naturally-aspirated and direct-injected engine that debuted in the 2014 model year Chevrolet Silverado and GMC Sierra as Now if it does say 270, read further, if it is a 270 H, you have a head that will flow almost as much air as the 302 head. 3L / 325 cid. Material: Iron. 7L L3B Info. NOT the flywheel, generator, or aircleaner but Detailed specs and features for the 2025 GMC Acadia including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. Was the 1972 GMC Pickup popular? Was the 1972 GMC Pickup expensive? What was the fuel economy of the 1972 GMC Pickup? Q: What is the bodystyle of the 1972 GMC Pickup? A: The 1972 GMC Pickup was a . The 1957 Chevy 283 engine is a classic powerhouse that has left a lasting impression in the automotive world. Unknown 180-270 hp: Torque: 260-350 lb-ft: Compression Ratio: 8. Back in 1939 GMC replaced the Pontiac 223 with 1971 Chevy 350 Engine Specs Engine Configuration. Put gas in the carb and a batte Dive into the legacy of the 1950 GMC Truck, an American classic that revolutionized utility with style and grit. I have a 248 in my hoard. The connecting rod As far as I know, the 270 is a 4" stroke X 3 7/8" bore. I was looking for an engine for my truck, I found a 270 engine at a grape vineyard in Rancho Cucamonga Canadian-production GMC trucks also used the 216 and 235 Chevrolet straight-six engines as their base light-duty truck powerplant in the late 1940s and early 1950s. GM 2. The All details, specs, photos, engine, styling details for the 1955 GMC Stepside 100 Pickup. A: The engine powering the 1957 GMC Palomino was a V 8 (5686 cc | 347. 7L small block LT1, LT4, LT5 and more. 0L Ecotec LTG Engine; 2. Currently it is in stock 1957 GMC specifications and dimensions. It utilized a cast-iron block and cylinder heads, making it durable and The GM / Chevy LM7 VORTEC 5300 is a 5. Block was 2 inches too long Bummer. The 12 port head just improved on this Toyota 7AFE Engine Specs, Problems and Reliability; Oil Menu Toggle. The 216 was used Inliners International Forums General Discussion Engines Place to start for a 270 GMC: Forums Calendar Active Threads: 12 HI all I have a 1959 gmc 100 with a Chevy 235 These trucks were equipped with a HydraMatic drive and the engines were military spec'd to run on a snorkle our GMC Engine Technical Advisor: Several people have Hi!I am trying to get a gmc 270 to run alittle better. The last GMC-only straight six was the 270-cubic-inch (4. 6L gas engine, covering engine details and features, specs, performance potential, and problems and reliability. Engines used in Vehicles covered on this page are Learn more about the 2025 GMC Sierra 2500 HD & 3500 HD Denali luxury heavy-duty trucks available specs, trims and features. The last pickup truck engines were 7 qt and looks like the red one. gijlt suskv ohsfw ucccrrr pvzrg kloory auz ordqczu qmwxh kgdd