The Vortec engine was built as a response to consumers' constantly changing needs. Browse our inventory of Ford vehicles for sale at Blake Utter Ford. Just got my speedo dead on. 454 Vortec - What happened to the horsepower? My C2500 350 is rated at 30 HP for better gas mileage and lower emissions. i have a chevy 350 5. 99 L31/4L60E - tranny programming; LT1/T-56 Swap; lq9 in my 02 blazer extreme? LT1 ino 96. 55 will cruise like 2. I only use it for towing any more and plan on driving her until it snows in Panama. If you MUST, a 4. Learn more about the 1998 Chevrolet 1500 Extended Cab. My father had a 98 3/4 ton with the 454/4l80e and it got about 8-10 towing up and down hills and about 12-18 doing regular driving on the freeway he got like 22 mpg once going to seattle. plastic timing cover with crank sensor. I have a Chevy 1 ton box truck with 350 vortec 400 turbo trans and and 4. 350 Vortec Intake Manifold. 7 conversion PCM help; LQ9+T56=MPG? 05 electric truck fans fit in a 95? Two Belt Whipple & '02 + Motors; LT1 S-Series; swap 305 vortec to 350 vortec; swap a tired 5. I have a 350 Vortec in my 00 Blazer. General Motor's 6. com, the official website for Custom Classic Trucks Magazine!. 7 in it's full-size trucks? My dad has a '97 pickup with that engine, but I'm not sure if they started using it in 1996 or earlier. However, when researching gas mileage, I get wildy varying reports, anywhere from 6-22. 0 L/244, MPG City: 18 MPG Hwy: 23***, 4DR, Silver Exterior, Black Interior, 8-Speed Auto-Shift Manual… 115 miles, Twin Turbo Premium. Re: Vortec 454: School me! there are water passage differences in the deck between early and late big blocks that will affect head swaps. Poor mileage in 98 Silverado, 350 Vortec C/K Car Forums Now its not going to raise your gas mileage from 13 back to 18, but it would help a little. I have had zero repairs. 70 geared 9", estimated 325~340 hp, I knocked down an average of 18 mpg, and put 130,000 miles on that combo like that. By *today's terms, this was a relatively crude mechanical system, but it did a good job of optimizing engine efficiency, throttle response, fuel *economy, and idle cooling, with absolutely ZERO effect on wide-open throttle performance, as vacuum advance is inoperative under wide-open *throttle conditions. You could build a 9. Biscayner, Apr 28, 2012. 1L, are you using the 3. It is mated to either a 5-speed manual transmission built by Aisin, or a GM 4-speed Hydra-matic automatic transmission. com Dallas Texas has a wide variety of Luxury Cars and Custom Pickups. 0:1 compression ratio, but if all you did was swap on a set of Vortec heads, the compression jumps nearly a full point to a more efficient 9. You may recall the Ram Jet brand from the GM mechanical fuel injection systems of the 50's. The engine does drink a bit of oil as it's old and has low-medium mileage. I have a 383 in my 55, I don't have a air gap intake or the vortex heads. Vortec 8100 Performance Packages. Learn more about the 1998 Chevrolet 1500 Extended Cab. 20+mpg small block with carb. what kind of gas mileage is everyone getting? with a vortec 454? my 96 3/4 extd cab 4x4 with 265/75/16 tires is getting 7 mpg with the heat and ac going. The GM Performance Parts RamJet 350 crate engine has been on the market for a few years now, and we've enjoyed them in several cars. 3 Least expensive upgrade as compared to aftermarket air intake systems. I know the cost of each and. For the 350 the Vortec engine has about 45 more horsepower and more torque, it also doesn't fall flat on it's face above 3500 RPM. Research the 1996 Chevrolet 1500 at cars. 3 L) "Turbo-Fire" V8 was the first Chevrolet small-block, although the first Chevrolet V8 was produced from 1917 to 1918. The reasoning for this transition was to improve on the 1500's fuel economy and reduce its emissions output. later truck engines like that are peanut port, smaller than ovals. Used (normal wear), 1997 Silverado 4WD 350 engine Good condition, good running, 4WD works, good interior, bed liner, receiver hitch. 3L chevy truck 551602 by ICT Billet OTC 4530 Power Steering Pump Pulley Service Set. 7L/350 Chevy small block Gen I Crate Engines and get Free Shipping on Orders Over $99 at Summit Racing!. I was experiencing a huge decrease in gas mileage. Vortec 8100 / 8. 5 mpg on pure highway runs and summer grade gas, but mix driving, at least in the winter is horrible at 13-14mpg. 0:1 compression ratio, but if all you did was swap on a set of Vortec heads, the compression jumps nearly a full point to a more efficient 9. You may have the 6 speed trans in an '05 and that give 2 ODs. 99 L31/4L60E - tranny programming; LT1/T-56 Swap; lq9 in my 02 blazer extreme? LT1 ino 96. what kind of gas mileage is everyone getting? with a vortec 454? my 96 3/4 extd cab 4x4 with 265/75/16 tires is getting 7 mpg with the heat and ac going. com, the official website for Custom Classic Trucks Magazine!. chevy 350 96-2000 comp engine 96-2000. IF I were to use a 305, I would only use the fuel injected Vortec version. Parts will be around for some time yet. 08 gears and I got 580 kms a tank. 19355815 Chevrolet Performance Ramjet 350 Crate Engine Pfi With Iron Vortec Heads and 1. Check out these First Generation 1996-1998 GM Vortec fuel-injected 350 Engine Power Upgrades, including exhaust, throttle body, and more, at Sport Truck Magazine. 2 Power Rated in Accordance with SAV 1 rating procedures. 7L) engines. New for 2018 The 2018 GMC Sierra 3500HD gets a rearview camera and a 7. I have a 383 in my 55, I don't have a air gap intake or the vortex heads. 0L 305 heads. I had a 97 rcsb Vortec 350 auto 3. No Credit Car Loans by Lynnwood; No Credit Car Loans in Edmonds; No Credit Auto Loans in Shoreline; No Credit Auto Loans in Edmonds; No Credit Auto Loans in Everett; No Credit Loa. peace Hog. Every vehicle performs differently, and we realize that a standard cookie-cutter tune or handheld programmer won't always work well for everybody. What are the best headers for Chevy 350 running vortec heads? 3GPP, MP4, MOV, AVI, MPG, MPEG or RM. Edelbrock is the most respected name in performance. your garage what would you build it with for maximum reliability and fuel economy. What ever Kodiak, MP, Mercruiser has in stock, is it. 3 Vortec (Page 1) — Lemons Tech — The 24 Hours of Lemons Forums —. The engine does drink a bit of oil as it's old and has low-medium mileage. 383 cubic inch, 350 HP (Car) = $3595 Additional cost for turnkey package = $1195, $1295, or $1395 * This includes first generation swirl vortec iron heads. Leaning more to the 302 than the 350 for a few reasons. 7L V8 "Vortec". 8 mpg average over the last 56K (I charted it). The power from the vortec is more then enough u can ditch the efi and go carb if your worried about the electronics. This is great for stock short block 350 engines like the Chevrolet Performance 290 hp 350 crate engine that uses a dished piston with a 76cc combustion chamber head. I normally change the oil every 5,000 miles too along with the filter. 7L and the 350. I have an 84 C10 short bed 2wd, with a Goodwrench 350, 700R4, shorty headers, 2 1/2 duals and no smog equipment. On a 350 mi. 4) Compression Ratio 9. The world's absolute lowest prices since 1985. I have a equal comparison from 3500 cargo vans I've owned. My father had a 98 3/4 ton with the 454/4l80e and it got about 8-10 towing up and down hills and about 12-18 doing regular driving on the freeway he got like 22 mpg once going to seattle. 7 from what ive read and the 5. Multiply the answer in Step 1 by the average price of fuel per gallon to determine about how much you spend on fuel each year. 56's i get about 12mpg on the 350 vortec. Firstly, my reasons for doing this: I just put a new crate engine in it last summer and Im trying to keep everything in good condition to make this truc. 0L Vortec V-8 Specifications and Information. 2003 Chevrolet Tahoe - Review 2002 Chevrolet Tahoe - Review. I have had zero repairs. There are a few guys who have adapted the Marine intake to the Vortec 350 which gives you the normal fuel injectors like the 454 and LT1. The application will be a street/strip vehicle that will run on 91 octane for the street, and race fuel for the occasional visits to the strip (when we can pump up the boost to see what she's truly capable of). Edelbrock Pro-Flo 4 EFI systems provide you with a high performance traditional-style intake and 4150-style throttle body. General Motor's 6. Burnt valve 350fix or swap to 383, 454, 6bt? swap just vortec heads onto old block or swap entire vortec? 8 MPG? MisterB replied Oct 31,. The Chevy 350 engine is considered by some to be a great engine, far better than others of its kind. 7 upgrade flat tappet cam. 73 to one, 3. This is a quick review of four of the best cam kits for Chevy 5. 7 conversion PCM help; LQ9+T56=MPG? 05 electric truck fans fit in a 95? Two Belt Whipple & '02 + Motors; LT1 S-Series; swap 305 vortec to 350 vortec; swap a tired 5. The best-known small block V8 in GM's stable, the Chevy 350 engine is considered one of the 20th century's best engines. Yes, you can get a 305 to run better. What is the difference between Generation I and Generation II? Generation II is the name of a small block V8 engine introduced in 1992. SOURCE: I need the torque specs and sequence on a 1998 chevy 350 vortec. In comparison, a local fellow where I live has a very similar Sedan powered by a Chevy 350 with a carburetor on it, and he's lucky if he can squeeze 15 mpg from it. it runs like a champ and has smoked every truck that i have raced so far. 7L 350 heads. So Just what is TBI, stands for Throttle Body Injection used by GM in the early 80's through 1995. Im wondering what heads to run combustion shamber size, valve size, cam size lift and duration, intake and carb as well. 3 LM-7 motor. the pistons are 4 valve relief 6cc. Started on trip died 15 miles from home and is still not firing. recognized Vortec brand name by itself has become a valuable selling tool for OEMs. 7L vortec (346 ci) was offered in any of the GM pickups/SUV's. Select MerCruiser Test Model HP Fuel consumption WOT; MerCruiser 3. AIW Engines and Transmissions has the largest supply of new engines, remanufactured engines, rebuilt engines, and used and take out engines in the country. An ACDelco GM Original Equipment Fuel Injector Kit comes with everything you need to service a fuel injector, and is a GM-recommended replacement for your vehicle's original component. Pontiac did some experiments adding a supercharger to it and put in a Firebird. I have run a best of 12. I got it out of an ad in the back of Hot Rod magazine in the little black and white ad section. checkout our huge diablosport predator sale all predators are brand new stock and current models, not refurbished! scroll down to see all of our featured diablosport predator products. 0-liter V-8 used in this test was not an EcoTec3 engine and does not offer cylinder deactivation. It produces 175 hp (130 kW) and 185 ft·lb (251 N·m) of torque. 0l variable valve timing v8 sfi e85-compatible flexfuel ($0) Glass deep-tinted ($200) License plate kit front ($0) Lpo assist steps - 6 chromed rectangular ($750) Lpo rear under-seat storage composite storage bin ($255) Mirror inside rearview auto-dimming ($0). Vortec 6. Started on trip died 15 miles from home and is still not firing. FUEL ECONOMY at full throttle VERADO 350 = 1. CLARIFICATION: Everyone consistently calls a Vortec an LS and that is not accurate! Although Vortec engines are "LS" based they are NOT LS engines IMO. Cummins makes diesel engines and Allison makes the transmissions for the 8. Brian Tooley Racing, Inc. The engine does drink a bit of oil as it's old and has low-medium mileage. 7L V8 white smoke/steam was created by mstk415 I am having a problem with my recently purchased 1998 Chevrolet K1500 Silverado. I currently have a 327 short block setup 30 over with flat top pistons. SOURCE: I need the torque specs and sequence on a 1998 chevy 350 vortec. Research the 1996 Chevrolet 1500 at cars. Don't rule out the 4. Considering the difference in cubes a 305 would be a closer comparison to the 5. We, Will, Get You Approved, And Will Get You Into The Vehicle Of Your Choice. 7 L31 Vortec 350. Firstly, my reasons for doing this: I just put a new crate engine in it last summer and Im trying to keep everything in good condition to make this truc. 7L and the 350. plastic timing cover with crank sensor. 6 mph -- just. And that I just flat out like the old skool style. I put a Paxton Supercharger on it and the 265 H. I changed out the ESC HEI to a regular HEI. Great if you want to go serpentine belt or clean up the front of your engine. 08 gears, I got 450 kms out of a tank. 5 highway, but mine has never got close to that), closer to 10 in daily driving with short trips, and in this cold weather is getting closer. 7 engine out of a 98' K1500. More info on them can be seen at Vortec L31 cylinder head. 20s and your 3. 5:1 compression on a proper. now with a 400ci SBC that 210cc intake runner will work just fine as you have 50 more cubes to pull air down that runner. The 350 got a 1 time best of 17. are you guys talking on the highway doing 60 mph while cruising 10 feet behind a semi or on a city street, because i dont think any 350 can get 20 mpg with stop and go city driving, maybe 16 in a shortbed regular cab pickup or 18 in a camaro or something. 7L Vortec 350 V8 engine. 23 rear gears,27" tires got 22 mg on a 1500 mile trip from memphis to little rock to wi at a constant 80 to 85 with criuse and a\c and the. We have a '03 in a Newmar and think it is a great combo. The first man I knew who had GMC truck with a 5. 480 lift with a 110 or so LSA range using Vortec heads and make an honest 325/350 HP, with way more torque then a 350 will give you, well over 400 FT. 2012 Mercedes-Benz S 350 BlueTEC: One Week In 32-MPG Diesel Luxury Sedan. A 1997 Vortec 350 out of a 1 ton truck all stock except for the following items. New Gm Chevy Gm 350 Vortec Ohv Motor. Durable, quiet, and performance-oriented, the 350 has a reputation for usability and reliability in cars, boats, trucks, and SUVs. Ran perfect 600 miles. The best bang for the buck would be a set of stock used 1996-2000 vortec heads, edelbrock vortec performer intake, and a small 204/214*@. Detailed features and specs for the Used 1997 Chevrolet C/K 1500 Series including fuel economy, transmission, warranty, engine type, cylinders, drivetrain and more. Had intermittent firing problems but replaced coil and it ran. 55 to one, 3. 7L vortec (346 ci) was offered in any of the GM pickups/SUV's. Stock vs stock i think the 5. This is great for stock short block 350 engines like the Chevrolet Performance 290 hp 350 crate engine that uses a dished piston with a 76cc combustion chamber head. I have a 1995 chevy 350 TBI. 3L chevy truck 551602 by ICT Billet OTC 4530 Power Steering Pump Pulley Service Set. and if you do the muffler delete or a full true dual exhaust to make as less back pressure as possible with increas hp by 5 and mpg by 1 to 3 depending on 1/2 ton or 3/4 ton. 1 Power Rated in Accordance with NMMA (National Marine Manufacturers' Association) rating procedures. I have friend with a 2001 GM Van with the 350 Vortec, and the drivetrain been flawless, except he did have a fuel pump failure. Re: 350 chevy swap to an 2002 wrangler ? It would take you a lot of years to recoup the money that it would cost you to change over to a 350. It does not include the ECU or wiring harness. We, Will, Get You Approved, And Will Get You Into The Vehicle Of Your Choice. What is the Gas Mileage of a Small Block 350 V8? 350 Gas Mileage. What is the highest torque a Vortec can provide? A Vortec can deliver a torque of 4000 pm. Gets 18 to 21 mpg around town and still has performance when needed for towing and street racing. HP 300 HP 250 HP TBI 5. We have a '03 in a Newmar and think it is a great combo. motor now is pushing 425 H. Firstly, my reasons for doing this: I just put a new crate engine in it last summer and Im trying to keep everything in good condition to make this truc. General Motor's 6. Getting fuel and plenty of pressure. Mercury MerCruiser 350 MAG MPI (300-hp) Inboard Big-time performance in a small-block V-8. Edelbrock Pro-Flo 4 EFI systems provide you with a high performance traditional-style intake and 4150-style throttle body. Chevrolet Infotainment System functionality varies by model. 6L compressor. The Vortec 6. 3 LM-7 motor. 3L has zero in common with a 327, except that it's close in displacement, same is true for the 5. but is it really worth keeping and building up? or should i leave it alone? or get a new engine?. 3 L V-6 engine has been around for a long time. 7L displacement went by the name of LT1 350. 0 L/244, MPG City: 18 MPG Hwy: 23***, 4DR, Silver Exterior, Black Interior, 8-Speed Auto-Shift Manual… 115 miles, Twin Turbo Premium. 5:1 compression 383 using Hypereutectic Pistons with a well machined short block with a cam in the 220/228 dur. And that I just flat out like the old skool style. I can't speak to the Suburbans but the people I know who maintain some pickup fleets with the GM 6. 0 engines because they share the same platform and most parts with the actual 5. 08's in their 4x4 5. Engines For Sale. The GM Performance Parts RamJet 350 crate engine has been on the market for a few years now, and we've enjoyed them in several cars. This is the ratio of gears in the rearend (differential) that you may have heard of in the numerical terms 2. I have looked into changing out the swirl port heads for 96'-99' vortec heads. JET Performance Powr-Flo Throttle Body. what can i do to better my mileage? Let's do this cheapest to most expensive: What kind of gas do you use?. By JS264, October 2, 2008 in Trucks, When my vortec plugged its cat, the mpg went way down. with a tune on the the computer, in stock form they are good for around 350 hp or so. I have a chevy 350 smallblock, wich cam could i use to get low fuel consumption and hi torque? it but it was designed for performance with good fuel economy. 7L 350 Vortec and I am having problems with it surging while it is in gear. I put a Paxton Supercharger on it and the 265 H. It would get 13-14mpg on the interstate and 10 or so around town. 0:1 compression ratio, but if all you did was swap on a set of Vortec heads, the compression jumps nearly a full point to a more efficient 9. 4 Calculations based on average commute of 47 minutes, highway mileage. If you run the EFI you need to redo the harness and get the PCM tuned. Thank you for visiting Bill Cole Automall online! Why buy from us?? 1. You could build a 9. Our mpg runs around 8+ on the highway and 6 in cities. My gas mileage now is 7. Yes I agree, each one is different, I am getting about 12 MPG from my V8, 6. I get around 9-10 in town & 14-20 on the highway. the timing cover must be replaced we have oem gm timing covers available for 50. 42 gears or 3. I normally change the oil every 5,000 miles too along with the filter. Check out our Lexus of North Miami used inventory, we have the right vehicle to fit your style and budget!. if you look at the factory specs a 5. CLARIFICATION: Everyone consistently calls a Vortec an LS and that is not accurate! Although Vortec engines are "LS" based they are NOT LS engines IMO. 7L 350 heads. The heads are also much better for fuel economy than the earlier smog heads. Specifications. 42 gears in a factory weight 4800-pd 1960 buick wagon and pulled 18 MPG going to CA usually run big gap plugs and 1 notch down on jetting edelbrocks oh i dont like heat so i do run the air i did customer cars and got 22 MPG on chevelles with smaller engines. Do that math. 7 L31 Vortec 350. Search by Model. IF I were to use a 305, I would only use the fuel injected Vortec version. 5T I4 DOHC 16V Turbocharged VTEC Vehicles for Sale in Midlothian, IL. Come take it for a test drive today!. More torque. Both truck were 2wd. I will assume that the '99 has the vortec 5. For the 2001 'Vette we're talking 350 horsepower and 375 ft-lbs torque and 19/28 mpg with the manual tranny. 350 vortec gets that in my 99 tahoe at 6000lbs. HP 300 HP 250 HP TBI 5. Burnt valve 350fix or swap to 383, 454, 6bt? swap just vortec heads onto old block or swap entire vortec? 8 MPG? MisterB replied Oct 31,. It was a very expensive job, but I think that it may have been a faulty pump from the factory since the van had seen regualar fuel filter changes and fuel system cleaners. I have a 383 in my 55, I don't have a air gap intake or the vortex heads. Proform 66785 Piston Ring Filer Manual. Compare the 2020 Chevrolet Silverado 3500HD and the 2019 Ford F-350. 10 2WD Suburban C2500 towing about 7,000 lbs. Hello all! My dad and I are building a '71 Chevy Nova and have narrowed our motor search down to either the 292 or the Vortec 4200. 7L V-8 engines. 0L 305 heads. 3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air/fuel atomization. Vortec 320 HP Marine 5. I've done a complete tune up and even run injector cleaner and seafoam through it. GM Vortec 8100 V8 Vortec Gas Marine Engine Vortec is the Trademarked Name For a Line of General Motors Engines. Vortec 320 HP Marine 5. 7L Vortec V6 How to remove the intake and change the gaskets on a Chevrolet Vortec 5. Learn more about the 1997 Chevrolet 2500 Extended Cab. Research the 2004 Chevrolet Silverado 3500 at cars. The 350 got a 1 time best of 17. 6L V6 engine. But usually, the parts are more expensive than the 350 parts. But to help out your. Its legendary status is based on an incredible performance level that is stone cold reliable. that's why gm got rid of the vortec 350 because as good as. Edelbrock is the most respected name in performance. 10 rear end, '99/454 Vortec. Brief History of the Vortec V-6. When searching for gm 350 vortec products, Amazon customers prefer the following products. EPA-estimated 29 MPG city/39 highway with 5-speed manual transmission and 30 MPG city/38 highway with available Continuously Variable Transmission. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. Re: Vortec 454 vs Vortec 350 Go with the 454 it has a lot more power and the 4l80e is a great tranny. 4) Compression Ratio 9. When was the last time you did a full tune up? Plugs, wires, O2 sensorsect. By JS264, October 2, 2008 in Trucks, When my vortec plugged its cat, the mpg went way down. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance. 3L 4-Cylinder DOHC 16V 4-Speed Automatic Electronic Sport with Overdrive FWD CARFAX(R)- ACCIDENT FREE !, POWER SLIDING… 2004. After 2000 the 350 wasn't an option either. Ok so I know it is kind of a stupid question but i plan to use my car as my daily driver and I just wanted to know from some of those who have already performed the swap what type of gas mileage are you getting? My engine is a carbed 350 with about 325 horsepower and 350 torque with a 700r-4 auto. But on a truck that is that nice it is worth dropping a new crate motor in. 7 to a fresh 5. Whipple's original 350 Vortec kit came with a shorter and smaller-displacement 1. If you MUST, a 4. However, you would end up having to run a pre-Vortec intake, since the Vortec bolt openings don't line up with the non-Vortec heads correctly. The last powertrain option and most powerful engine available for the Silverado 1500 is the Vortec 6. We feel, after doing numerous conversions of both V6 and V8s in our shop - taking into consideration engine availability, ease of installation, drivability, and customer satisfaction - most customers will be far happier in the long run using a small block Chevy or Ford V8. i get about a 19. With my 35's and 4. 0 describe them as a durable, only somewhat powerful engine that gets pretty lousy fuel economy unladen and really bad fuel economy if carrying a full load or pulling a trailer. It is mated to either a 5-speed manual transmission built by Aisin, or a GM 4-speed Hydra-matic automatic transmission. The most accurate 2012 Ford F-350 Super Du1ies MPG estimates based on real world results of 1. Wrench Sense 56,155 views. Find local 1999 Chevrolet K3500 prices online. Check out our Lexus of North Miami used inventory, we have the right vehicle to fit your style and budget!. In the Silverado 1500 pickup, a Vortec 4300 will return 15 city and 20 highway mpg with an automatic, one mpg less for both with a manual transmission. 350 vortec gets that in my 99 tahoe at 6000lbs. 0L engine compared to 3. What are the best headers for Chevy 350 running vortec heads? 3GPP, MP4, MOV, AVI, MPG, MPEG or RM. The 265 cu in (4. 5:1 compression on a proper. i am looking to rebuild my 350 but am looking for a cheap deal. The lowest priced uses the pre-1986 four-bolt casting molds with two dipstick locations; pre-1980 on the driver's side and post-1980 on the passenger's side. The original 5. Truck was a blast to drive. Now, anyone out there have 3. Kelly blue book for fair condition is $1370 selling for $1100 or best offer. Re: Vortec 454: School me! there are water passage differences in the deck between early and late big blocks that will affect head swaps. 1L are the only powerplant options available to me. Multiply the answer in Step 1 by the average price of fuel per gallon to determine about how much you spend on fuel each year. My father had a 98 3/4 ton with the 454/4l80e and it got about 8-10 towing up and down hills and about 12-18 doing regular driving on the freeway he got like 22 mpg once going to seattle. 350 chev drive belt assembly and miscellaneous parts. Also comparing the 5. 6 at 108 mph with that cam in my 96 impala, at a race weight of 4400 lbs, and still get 22 mpg on the highway. View our Lexus of Winter Park inventory to find the right vehicle to fit your style and budget!. 135 hp: 10. The ’96-’00 350ci Chevy Vortec 5700 engines enjoy lots of aftermarket support to help improve the 255 hp and 330 lb-ft of torque they’re rated for at the crank. The best bang for the buck would be a set of stock used 1996-2000 vortec heads, edelbrock vortec performer intake, and a small 204/214*@. 2L FlexFuel V8. 100% Credit Approval Is Our #1 Goal. As far as reliability, they should be comparable. I pull steep upgrades at 65 miles per hour in third gear. 3 L V-6 engine has been around for a long time. What is the best cam for a stock 350 chevy? Best I can come up with is the stock 350 cam. 0L V-8, or Vortec 6000, has been the gas engine of choice in the company's heavy duty applications, including the Chevrolet Silverado and GMC Sierra 2500/3500, since the 2010 model year. Thank you for visiting Bill Cole Automall online! Why buy from us?? 1. Those are weights with iron heads. Today we’re going to be discussing something near and dear to all of us, especially RV owners. Fit 33" BF Goodrich KO2 tires on stock wheels without a lift, also added Bilstein shocks to make it a true Z71. It does not include the ECU or wiring harness. New and Used Automotive Parts and Accessories On Sale. 3's seem to consistently get better mpg's than the Ford 5. See the 1998 Chevrolet 1500 Extended Cab price range, expert review, consumer reviews, safety ratings, and listings near you. I got about 12-13 in the city and 16-18 on the highway after that. 0-inch touchscreen as standard on all trim levels. but is it really worth keeping and building up? or should i leave it alone? or get a new engine?. 79 posi all stuffed in a 71 240Z gets 20 mpg If I put the 400 2 bl on it gets 22 mpg. The 350 vortec is a torquey and reliable but can't hang with a 6. In a truck, I wouldn't want anything less than a 383, or a 5.