Chevy 502 mpg. 2 502 Gen VI in my boat.

Chevy 502 mpg Reply Like 06-26-2010 | 11:18 PM #14 Check out Chevy Performance Part's 502 crate engines. 10's. Features include: * Approximately 8. For more information, check I have a 2013 Silverado 2500HD Diesel 6. Not a daily anymore. If you want gas mileage, then this is not the car for you. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central My lease is ending and I've come down to two engine options of the 2024 1500 Custom TB, between the 5. 1l) mc22141 hyd 2 216 228 288 300 . Best truck I ever had. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. I doubt anyone can get 20 mpg towing but cruising the interstate without a trailer it should be possible. 4 mm × 101. After all cubic inches is king for torque and a 502 has more than original 350's and 454's. I think cam is the biggest killer of fuel Sometimes people like to round up as they will say that a Chevy engine has a 4. in Concord, CA in my 66 Elco in 1998. Best I got on 30 mile run with tailwind 19. MPG Estimates from Others; MPG estimates from drivers like you! Advanced Cars & Fuels. Chevrolet 454 big blocks were either LS4, LS5 or LS6 engines. My 9C1 got around 20-24 MPG stock, if I was REALLY careful with the throttle. 2 502 Gen VI in my boat. the 454 is a 4 inch stroke 4. We have MPG data for vehicles from 1984 through to 2023. The 502 HO engine generates 461 horsepower at 5100 revolutions per minute (RPM). To get started, select the year, make, and model of the vehicle you're researching and click search. 4L Turbomax. Page 1; Showing 1 to 10 of 38 vehicles. The vehicles that had this motor installed are the following ones:-Chevrolet Silverado-GMC Sierra 2500HD & 3500HD-Chevrolet Suburban-GMC Yukon XL 2500-Chevrolet Express 2500 & 3500-Chevrolet Avalanche 2500 The Chevrolet Chevelle is a mid-sized automobile that was produced by Chevrolet in three generations for the 1964 through 1977 model years. We could have gone conservatively with the 502 HT, but we could not resist the 550 lb-ft of torque of the HO. I tuned cruise pretty lean, vac advance, drive calmly, etc. After a little tuning we nailed down 582 horses at 5,600 rpm and 594 lb-ft of torque at 3,900. Is it possible to get a prebuilt crate motor, with a blower? If so, where? Thanks. Close this window to stay here or choose another country to see vehicles and services specific to your location. – Ignition System: The Chevy 502 engine is equipped with an electronic ignition system, which provides reliable spark timing and improved ignition performance. www. 466 in × 4 in (113. A friend of mine got over 20 MPG on a trip from California to Texas and back in a ’69 SS 396 Chevelle with a TH400 and 3. The car weighs 3750 lbs. Chevrolet. 250 bore lotsa torque with the right parts! the 502 is a 454 with a bigger bore 4 inch stroke 4. 5/124mph -with a "top fuel" timing curve - sold *61" Scag Kawasaki 31HP, 10+mph. 5 OD T-56. 6 L, Automatic 9-spd Regular Gasoline: Not Available Crower's high performance camshafts, crankshafts, connecting rods, roller lifters, rocker arms, valve train components and large variety of aftermarket engine parts for international and domestic automobiles, diesels, boats, tractors, motorcycles, and trucks. 3 L, Automatic 10-spd Regular Gasoline: Not Available EFI ensures efficient combustion and better fuel economy. 2L Models Only-Test spring pressure with inner and outer spring assembled. I had a 55 with a 427 that got 17mpg. 454 CID / 7. 40 at 3000 rpm cruise and 36 at 3000 rpm wot. Crower leads the market with 55 years experience manufacturing high quality custom products at an affordable price. Estimated 375 HP and 425 LBS of torque running a 4L80E trans with stock We can help you calculate and track your fuel economy. Converting CID to Liters and Liters to CID. 8:1/T56/3. These big-block crate engines offer excellent value and performance for either the street or the strip. Gen VII BBC. With 512 ft/lbs of torque at an incredibly low 3300 RPM and 377 horsepower at 4500 RPM, the 502 HT crate engine will help your vehicle climb hills, accelerate onto highways, and pass with confidence. The engine includes oil pan, valvetrain, valve covers, timing set, balancer, and I expect to get near 20MPG (not MPH) with my 502 on the highway with a . -----69 SS Chevelle 396 engine My car on the cover of Super Chevy Find Chevrolet Performance HT502 Long Block Crate Engines and get Free Shipping on Orders Over $109 at Summit Racing! Chevrolet Performance HT502 long block crate engines offer tremendous value and performance. 05-23-02 01:12 PM - Post# 107334 In response to BigDogSS The biggest problem with the stock engine a 454SS truck is the compression ratio. ) Chevy Forums FREE technical assistance for your restoration and repair. Jump to Latest Just for reference, in the eighties I regularly drove a full size Chevy with a 385 HP 427 and 3. Eventually, the duo worked with General Motors to upgrade to the ZZ572/620 crate * and the Big-Block powered the car for years. 135. We provide a comprehensive Chevy crate engine buyer's guide including the full line of GM Performance Parts crate engines, many other popular small-block and big-block Chevys, and answers to They chose the Chevrolet Performance ZZ502/502 crate engine* and mated it to a TREMEC TKO 600 five-speed manual transmission. 3 test, and the Chevy did it about 1 1/2 minutes slower and couldn't maintain speed. If you want mileage you need to trade Chevy 350 with Edelbrock 650 carb - $1,000 Lt1 gas mileage average - 15 to 20 mpg Chevy 350 gas mileage average - 5 to 12 mpg paying for your LT1 swap . The key to towing performance is torque, and the 502 HT has it way down low where it's needed most. what are you guys getting for fuel economy and what are you doing to better it on these old inlines. Gaston 2005 502 Discussion Starter 1966 Chevy Caprice 2 door sport coupe 396 325 h. A Power ful Alternative to Rebuilding Our HT502 crate engine is an affordable alternative with more power than our factory-installed Big-Block, producing a whopping 541 lb. At the afore mentioned 8 degree timing, my engine would pop back or just be lazy on acceleration. 4. Chevy Cars MPG Figures. And from a pure design perspective that intake is actually quite functional and better than any carb-style central vertical TB type of solution for air and fuel distribution. The 454 is generally stroked out to a 496 with an added quarter inch of stroke. I upgraded the MEFI 3 system via as&m to It was not found in all GM or Chevy trucks. The 396/402 is the worst bbc build and a 400 sbc with Find CHEVROLET 8. There are sooo many variables that go into getting good fuel economy. First Generation Camaro Re: 502 CI gas guzzler. After a few hiccups, Chevy Our assembly comes with the heads and a balancer installed. What is your estimated price, parts and labor, installed? I know it varies in parts (internally) used, but I wanted to get a guestimate. The 366 Chevy engine features a cast-iron block with aluminium cylinder heads. 432 miles Total Range. 95% original, matching #'s Th400, 2:73 12 bolt Original dealer invoice, title from orig. I expect to get near 20MPG (not MPH) with my 502 on the highway with a . fuel economy is based on BSFC (brake specific fuel consumption) and horse power used. 75:1 compression * 406 hp at 4,200 *69 SS 502 EFI /224-228* HR/9. Fuel Economy of 2022 Chevrolet Vehicles. It has 300 horsepower at 4,400 revolutions per minute. 5/124mph -with a "top fuel" timing curve - sold and I believe I might be getting better Gas Mileage than you do To truly test mpg do a road run. While, "61. . After 500 miles I noticed it jumped up about 4 mpg on highway. I would only consider the Turbomax for the gas mileage difference, but from what I see on window stickers, the gas difference is **ONE** measly mile between both engines. However, Chevy did also offer a 454 crate engine known as the LS7. The ZZ502 and RamJet 502 Crate engines share the same part number long block (base engine). Chevy Forums FREE technical assistance for your restoration and repair. One reason I dont mind keeping the big pig race 850 dp Holley on, it gets 13. 70 454 400thm 10 posi my 70 454 camaro If you like the idea of a 454 the 502 is just more engine to love. 0237441" is the exact number to divide by but in most cases it will not affect the conversion enough to change the rounded size. My stock LS4 gets 13. The MegaSquirt Project has experienced explosive growth other the years, with hundreds of new MS installations I have a 2002 4wd and average 11-12 mpg and would not trade it for a 1/2 5. The motor sat for about a year. problem getting 14 to 15 MPG out on the highway with a stock 454 with a mild cam and an overdrive transmission in a 55 Chevy. 28 cu in (8. Gas mileage - 5 speed vrs 6 speed: Flavius: Ford Motorhome Chassis Forum: 65: 08-02-2019 08:38 PM: How powerful was the 1967 Chevrolet Impala Series? Was the 1967 Chevrolet Impala Series popular? Was the 1967 Chevrolet Impala Series expensive? What was the fuel economy of the 1967 Chevrolet Impala Series? Q: What is the wheelbase size of the 1967 Chevrolet Impala Series? A: The 1967 Chevrolet Impala Series has a wheelbase size of 119. 6 mm) and a cast iron 4-bolt main block. There's no reason you can't get decent gas mileage It is around 7. 55/3. 5 pounds each and include recessed Bow Tie and Chevrolet emblems inlaid with classic Chevy Red. 00 inches. 4L. owner, Protecto-plate It amazes me how well some peoples fuel economy is. To keep the Chevy 502 engine running at its best, it is also important to check the oil level regularly, inspect for any After looking at the different crate 502s we decided on the 502 HO. Including Dimensions, Horsepower, Engine Size, Oil Capacity, and Tire Size. Makes good power (times and mods in my sig) Idles smoothly. The Chevy mpg ratings for each vary, as the high-powered engines of the performance models tend to burn more gas. The "Super Sport" versions were produced Well that's what i'm shooting for on my build. 2L/502 Crate Engines and get Free Shipping on Orders Over $109 at Summit Racing! $25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT. I got another 66 Elco put the engine and trans into it. 19433156 Chevrolet Performance HT 502 406 HP Big-Block, Replaces 88890534 Total Towing Performance. The Weiand Stealth I receintly bought a 2001 Suburban with the 496 engine in it and I am wondering what the difference in it is vs the 502 motor. 76 inches. That was probably its downfall, along with some key problems that GM seemed to be unable to fix. Modern day BBC 496 GM stock rat motor, fuel injected computer driven and no engine mod's what so ever. 2L Engine Specifications Official Chevrolet site: see Chevy cars, trucks, crossovers & SUVs - see photos/videos, find vehicles, compare competitors, build your own Chevy & more. 470” and goes with the Chevy 502 but the actual bore size is 4. 3 (no offence 5. 0 was about 12 mpg, not much better. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks. p. 73s in the Dana 60. An induction system, ignition, starter, water pump and other accessories are required to finish the engine. 466. I will add the Ford test was done in the cold air which helps a little. 10 gears and there isn’t a comparison. 2 L) total displacement—had a bore and stroke of 4. com: User Name: Remember Me? Password: Home: Forums: 12mpg. Changing the rear ratio won't help either. The engine comes with a 502-cubic inches displacement. 90/ 4000lbs RW 11. I can also vouch for the cost to do an LS swap. Wear eye protection and appropriate protective clothing. 4-inch deck. Motor was way ahead of anything Chevy and Ford offered at the time. index. Buick; 454, 502, and 572 Cubic Inch Engines 1991 to 1995 . 5 inch bore. All Chevrolet Big Block engines have Cast or Stamped codes to help identify the engine. I put a 502/502 deluxe engine from Fitzpatrick Chev. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and Fuel economy of the 2022 Chevrolet Silverado. 0 in a 2006 2500HD with the 4. I need it to pull my 26′ boat and 24′ camper. (clear) aluminum valve covers weigh just less than 1. Home. I'm passed that. Support the vehicle securely with jackstands when working under or around it. 2L/502 Chevy big block Gen VI Crate Engines V8 Engine Type and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 10% back up to $100. If you run full power the bigger more powerful engine will use more fuel because its making more power ,requiring more fuel. The fuel economy with the 6. 510 108 116 1700-5200 smooth 854-16 n I would not hesitate to stuff a Ramjet 502 into a truck. Exercise extreme caution when Westech Performance Group modifies a GM Performance Parts 502-cid sixth generation big block V8 crate engine in Part 1 of a 502 Chevy Big Block Buildup, at Sport Truck Magazine. 73 is fine for towing with the torque of the BB. 2:1 SC/R The mileage and hp will go up drasticly with 9. com: I been wanting a 502 for a long time. Average MPG of 502's. Use only the proper tools. The 502 is a bigger bore Note 1: 454/502/8. If I drive it a little hard, the mileage easily drops to 6-8 mpg. Find the right fuel efficient Chevy to fit your lifestyle, many models offer an EPA-estimated 30 MPG highway or better, because every mile matters. If I keep my foot out of it, my '68 Chevelle with a stock ZZ502/502 gets 10-12 mpg on the highway and 8-10 mpg around town. Cons- MPG (which you wouldn't worry about if your looking at a 502), Pulleys/ brackets, exhaust (these things may not be an issue if your going from a BB to BB though). Note 2: 7. The Chevrolet lineup currently has two mainstream car models available – the subcompact Spark hatchback and midsize Malibu sedan – and two performance cars – the Camaro muscle car and the Corvette sports car. 502 . It is a tall-deck engine with a 0. Why would chevy produce two big block motors so close together in size? My guess is that the stroke is longer on the 496, which is better for low end torque, emissions and gas mileage. Home; GM. with the gas money you saved in 1 year . Determine the engine’s cubic inches, HP, & more. We would like to show you a description here but the site won’t allow us. I still have the 6al2 and hvc2 coil. And also, we are in the colder months. Chevy 454 L19 3. 6 MPG wise, I have gotten low to mid 20s on pure highway about 60 MPH. The first The 1947 - Present Chevrolet & GMC Truck Message Board Network > Welcome and Discussion > General Discussion: MPG on 502 Fuel Inj. It uses four rings on the piston, and Chevrolet . and with 30 MPG Here is a link to the page where I installed the 502 ram jet in the blue 67 Corvette:Ram Jet 502 Corvette This page shows how the hood was made, mods to the intake ect. Chevrolet Performance's ZZ502/502 is one of the industry's benchmark crate engines, offering excellent value with a proven combination of performance that is suitable for the street or strip. hotrod. The chevy 502 has a gas mileage between 10 to 12 MPG. 3's), but I love pulling my boat with out losing any speed on a hill. I can't compare it to a 227 but I've had a 502 in my car for 3 years now, and it is a very mild mannered cam. component information, start- up and break- in procedures, 502/502 engine specifications, additional parts that you may need to purchase, and a service parts list. LS4 and LS5 versions became the only production engine available in Chevy or GM vehicles. MSruns. 6 mpg combined. That said, there are other considerations for diesel. 4270 vehicles. Model specific subject matter experts, classified ads and more. 4L / 502 CID / 8. Part of the General Motors (GM) A-body platform, the Chevelle was one of Chevrolet's most successful nameplates. 15,2018) Read only MegaSquirt Success Stories by Bowling and Grippo. Fuel economy for all vehicles tends to be a little lower than during summer months due to different gas formulations, etc. Body styles included coupes, sedans, convertibles, and station wagons. My Selections. I think the 502 HT motor is what I want. The fuel economy sucks, about 10 mpg, but I didn’t buy this truck for the economy. I totaled the first Elco in 2001, and I yanked out the 502 and 2004R. I mostly blame the cam. I have the 8. 1614 Views 6 Replies 5 Participants Last post by zzharleyzz, May 21, 2007. I have been abusing this engine for almost 22 years. Also in bad weather (heavy rains and wind) the truck feels so much more stable. So there will be quite a spread between drivers. 6-7 if I'm in it. In the original article, I mentioned I was not an EFI expert, but after some simple research – and with the help of the Holley tech line – I was able to inflict some simple adjustments to make the Sniper even better for my application. Link to the MegaManual Links to other MegaSquirt Forums: MSefi, MicroSquirt, MSgpio, MS Success Stories, MS User Groups, MSextra. Highway at 80 lucky to see 15 without the super highway draft. , 125 MPH (on the motor) in the quarter and 18 MPG on Power Tour Email Report IgnitionMan Valued Contributor Posts: 4081 Reg: 04-15-05. 15 city for the V8 and 16 City for the 2. com read only forum (Jan. The 366 Chevy engine is an eight-cylinder, six-liter engine with a bore of 3. He has quoted me a price of $9,850 deilvered (plus tax) for a ZZ427/480, and I'm still waiting on a price for a ZZ502/502. All necessary components are available from Chevrolet The ZZ502 is rated at 502 horsepower at 5,200 rpm and 567 lb-ft of torque at 4,200 rpm. With more than 500 horsepower and 567 ft/lbs of torque, it demands your full attention and a chassis that is strong enough to harness its frame twisting fuel economy: very good recommendations towing: good for pulling heavy loads chevrolet v6 - flat tappet cam / 1980-89 173 c. The 502/502 base engine is a fully assembled long block. User Info. 935 inches and a stroke of 3. The GM Performance Parts HT502 has all of the same great performance characteristics of our other 502 engines, but it has been specifically designed for 1976-and The Chevrolet 502 V8 Chevrolet 502 "Performance Parts" - Burbank California. Chevrolet Big Block Engine Identification – 409 with W shape Valve covers . The BMW X5 10 members. I had a 6. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. I know this might be sacriledge, but I've got a question that I'm hoping won't get me booted from this forum I've been looking at buying a FFR MK4 for some time, but I've got a beautiful Chevy BB FI 502 and First I want to thank everyone on this site for all the great tech advice and assistance. I'm considering the RJ 502 strictly from a lesser Read on as we take our Mark VI Chevy 502 block engine and mod up the engine with a 700lb-ft on 87 octane fuel. of trailer-tugging torque. Big blocks trade fuel economy for power and torque, but this one is slightly better than others. EPA MPG Owner MPG Estimates 2022 Chevrolet Blazer AWD 6 cyl, 3. IMO I don't see the 502 as even a slight bad choice for a C3, but I'm alittle wierd like that :jester Chevrolet recommends that you use a minimum octane rating of 92 (R+M/2) fuel in the ZZ502 (9. -ft. Only at www. 6:1 compression ratio) to prevent preignition. With a big block you'd need a setup where the motor has a powerband in the lower-mid RPM range, and a trans/axle ratio that keeps those RPM's low when cruising. Kevin McClelland of Flowmaster started with a GM 502 crate engine (PN One of the options is a Gm crate ZZ502, the numbers are 502 hp and 580 ftlbs which is enough for me. (2. Nothing makes a towing job easier than 502 cubic inches of big-block torque maker! Our HT (high torque) 502 will give you all of the power you need to move mountains or pull your trailer up over a mountain. 20 MPG is possible, it's just all about the entire combination. 2023 Chevrolet Silverado. Forums. The 502—with a 501. 07 rear CorvetteForum - Chevrolet Corvette Forum Discussion; C3 Corvettes, 1968 - 1982; C3 Tech/Performance; It will be cheaper to purchase, get better gas mileage, and 502 valve cover stickers will fit like they were meant to be there. Research Chevy Silverado 2500 specs. Well I think now is the time. (3. To convert cubic inches to liters, divide the cubic inches by 61. After taking with everyone I decided to have my local engine builder build a custom 502. 540. Just my recommendation. Also, Chevrolet’s ZZ502 generates 508 horsepower. Most times, I am in the 15-17 MPG, unloaded, following higher speed limits. steel fuel lines with twin knock sensors and wide band oxygen sensors called Flex-Fuel that is still an option that Chevrolet charges extra for as Chevy must think the ethanol law will be I'm shopping for a 502 with a 6-71 blower for my 69 Chevelle. G. from using fuel injection - priceless I have a great working relationship with my local Chevy dealer and have bought crate engines from him in the past, so that's the route I'm going to go. (with me in it) and has 3. 3L V8 & the 2. We can help you calculate and track your fuel economy. 4L Models Only Test spring pressure with damper shield installed. I basically drive the truck occasionally. Fuel economy of the 2022 Chevrolet Silverado. I have a 250 inline in my 66 05-23-2011, 09:23 AM both 6's and 8's--Fords, Chevy's and Dodges--mileage is is terrible on all full size pickup regardless. For those of you in NJ it was built by Competion Engines in Rartin( Tony F. I hate to say it but a C3 bigblock, who cares about MPG :D That is not an issue with these cars. Not only attractive, the Ram Jet intake adds a significant amount of function to the big-block with amazing throttle response that you just have to experience to believe. The LS6 was the more powerful variant but it was quickly phased out following 1971. 55 gears. 1994 Chevy Caprice 9C1, 126,000 miles, T56, 4. Come join the discussion about restorations, builds, performance Observe all safety precautions and warnings in the service manuals when installing a ZZ502 Big Block Chevrolet (BBC) deluxe assembly in any vehicle. I started by adjusting the fuel prime – which squirts a small amount of fuel into the intake to aid in start-up. The engine had MPFI (multi-port fuel injection), which gave slightly more power and better fuel economy Pistons: 502 vs. 55 gears and got 17 mpg consistently on the highway. How much does the 454-engine cost? The Chevy 454 engine also has a varied cost, depending on the performance and other factors. We love Muscle Cars. They're based on the Gen VI 4-bolt mains with one-piece rear main seal blocks. *69 SS 502 EFI /224-228* HR/9. I posted this in the FFR representative, but know that many people who are smart on this topic won't check that forum and would love to hear your opinions also. fuel economy. I am in the process of gathering parts to hopefully do that this winter. It is a beast and will roast the rear tires off the line. I don't care about gas mileage. 5 mpg open road, which I've had turd Chevy trucks get With an 11 inch fuel-injected intake manifold flexing out of the top of a 502 big-inch Rat, the GMPP Ram Jet 502 is just plain cool. I'm ballparking it at $8,000 delivered. I would probably still be driving something Nissan but they didn't build what I needed when I needed to upgrade so I went with a 3/4 GMC diesel and never looked back. Seems to run well. About Hybrid and Electric Cars; A quick guide to the different kinds of hybrids and electric vehicles. EPA MPG Owner MPG Estimates 2023 Chevrolet Silverado Cab Chassis 2WD 8 cyl, 5. both share the same lentgh conecting rod 6. It is around 7. Must be part of break in. Send Private Topic View Profile. If you are not sure about the figure someone gives you and you have 2)If the street MPG on the #80531 850cfm Holley wouldn't be too much worse than for the #80508S 750cfm Holley-then, it would seem to be better to go for the 850cfm carburetor, in view of it having been factory calibrated for the 502 crate motors? I was wondering if a 502 ramjet will fit under a cowl hood?-----camaro's for ever!!! 67 327 11:1 4spd. Currently have that same 12 GMC, A 21 Chevy 1ton and a 22 Chevy 1/2 ton in the driveway. 5:1SC/R and a new chip for the efi/ignition timing curve. This 502 is an absolute rocket and gets around 10mpg if I stay out of it. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Find CHEVROLET 8. But maybe you guys have different thoughts. Web 67-72chevytrucks. Possible fuel economy with bbc. com (United States). Chevy Tri Five Forum 77K members. so heres the deal the 454- 502 make good torque and horse power but not as much as they could the 502 does this at a little Big blocks trade fuel economy for power and torque, but this one is slightly better than others. I use 18 degrees initial and 37 degrees at 3000 RPM and it woke the 502 up! I went with the MSD Digital E- Curve # 8394 as it is so easily programed. Desire is a powerful street/strip engine with decent shot at some kind of gas mileage car is my daily driver w/ TKO-600 and 3. 8l) & 1990-94 189 c. 502 grams/mile. com, the official website for Hot Rod Magazine. There, LME and front man Bryan Neelan, completely prepped our bare, tall-deck (9. It is not the intent of these specifications to replace the comprehensive and detailed service practices Read the how to article on a 502 Big-Block Chevy crate engine buildup, brought to you by the experts at Hot Rod Magazine. Combining our aluminum-headed 502 with a modern fuel-injected intake results in 502 Chevy 400 vs 502 build. I'm not into burnouts and mud bogs anymore with this truck. You are currently viewing Chevrolet. The 540 is the best bang for the buck in a bbc build. Now it gets 12-14 MPG whether I floor Miles per Gallon and Gas Mileage for Vehicles. I am building my 72 with the intention of getting it in the mid 20 mpg range with a The 1947 - Present Chevrolet & GMC Truck Message Board Network > Welcome and Discussion > General Discussion: MPG on 502 Fuel Inj. 760-inch) RHS block; filling it with components from ARP Fasteners, COMP Cams, Clevite, Lunati, Total Seal and Wiseco to end up as a big-swinging, big-inch 502. Chevy 502 horsepower varies depending on the engine generation and type. I was undecided in the beginning about going with a 454, 496, 502, 509. Reply Pros- It's a 502 !!! Ram-jet- It looks awesome sticking thru the hood :D . i. Re: 502 carb And no, it is not a matter of only doing 55 mph. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central Bill Martens, Chevrolet's Associate Marketing Manager, walks us through details of the Chevrolet Performance HT502 Crate Engine. And of course an overdrive will help too. This trailer was 2000 lb's lighter than the 16k trailer they used for the Ford 7. kizwnj qnt ubaqvsx btyj abfyam dik nkvit rxluw pgqjpi woz tkfszmxn zikvb fwrrg wcdy qcmavi