454 vortec performance upgrades

I just put the k&N system on my truck made a huge difference in sound and performance I would deffanitly recomend spending the $250. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. It will be plug and play. If you don't mind a "dirty" PCM case then we can take care of an order for you. $399.99. Is there anything to be gained within my parameters? If you had the proper tuning software, you could tune it yourself later. It is quite a noticeable difference! Also I want to send you guys mine as core but I wanted to get yours first so Im not without my truck and if something goes wrong I can plug my factory one back in, so can I wait to send mine till after I get yours? Cost is $395 plus a $175 core charge which is refundable. The 7.4 Vortec was essentially the same big block 454 that Chevrolet used to power its muscle cars, but it gained a hydraulic roller camshaft and improved cylinder heads to make it considerably more efficient than the old LS6 could ever hope for. Can you tune my new 2000 ECM and will it work without the original key and ignition harness. If you continue to use this site we will assume that you are happy with it. My tech who does the programming is out of town this week so it would get done first thing next week if you wanted to go ahead with it. will your new part ecm work on this motorhome. I have a 2000 7.4 with a bigger cam cold air kit dual exhaust better mass air flow senser and roller tip rockers can u tune that as well or do you just do stock stuff, I have a 99 k 3500 Chevy 1 ton with 454 5 speed.will your computer tune work in my truck and can I expect 40+hp gain? The greater the power gains, the bigger the budget. Alright Jay! That model of 454 is alot diffrent then gen 1..It wont take a normal cam and theres some other diffrences that kinda limit what can be done to it.im sure someone will chime in with specifics Yes, it's a OE roller camshaft block and 1 piece gasket crank. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. You can expect about 40-45 horsepower and 45-50 lb-ft torque increase with much better throttle response, crisp shifts and there is a reduction in the "TQ Management". The 454 cubic-inch 7400 Vortec V-8 GM motor, which produced 290 horsepower at 4,000 rpm and had 410 pound-feet of torque at 3,200 rpm, was a smooth four cylinder without much difference between the top and bottom. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. How much can you get them for? The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. Even stock we see impressive gains but even more so with the Banks PowerPack installed. 7.4 chevy engine in georgia boy pursuit motorhome. I am in a non emissions state My 98 GMC K2500 L29 7.4 litre has 2.5" true dual exhaust with pro Flowmax mufflers an X-Pipe, cat delete but still has both upstream and both downstream o2 sensors. No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. If you are wanting to keep the truck otherwise stock, the tuning would be your best upgrade to boost the performance and it would definitely help the low end where you are wanting it to. Check if this part fits . Thank you. Thanks. Check out their web sight Bankspower.com It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. Pace Performance Products in Ohio put together a decent upgrade. But don't despair. The Muscle Automobile Period had come and gone before the 7400 series debuted. New 2-Piece Intake Manifold w/Long Intake Runners 7. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. 1997 gmc 3500 cc dually. I am considering doing an EGR delete and I wasn't sure if this would accommodate that or if it will still throw a check engine light. Thanks. Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. I have a 2000 7.4 engine transmission and full wire harness and ECM from one motorhome and want to put it in my 1995 motorhome. Also I have Thorley tri Y hearers on mine will that effect the tune? Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . In the end, we selected a 1999 Gen VI 454 and pulled it from its home in the engine bay of a 1-ton work truck. If I order a ecm reprogram will this fix my speedometer error too?? I like my shift points where they are. merci. Before adding boost, the boneyard big block was run in normally aspirated trim and produced 427 hp at 5,500 rpm and 476 lb-ft of torque at 3,900 rpm. Obviously different, but I still think the 454 has more to offer. K&N fuel injection performance kit. So, what are the most common problems with the Chevy 454 Vortec? This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. Distributors cap and rotor kit features brass inserts and stainless steel rotor springs,designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires,prevents arc through and crossfire. You may also like. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. Hello! We only specialize in the big block engines. Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA I sprayed starter fluid in the tbi and it fired up for a few second. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. With the 454, putting in Vortec 350 code and chaning the displacement and enter in the tables/constants/switches appropriate to the 454 is all that is needed. Thanks for any help. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Whether the kit is intended for stock replacement or racing, various levels of compression will allow for improved performance with emphasis on top-end power and high RPM. The General Motors 7400 is the name given to a 7.4-liter Vortec engine produced by GM from 1996 until 2001 as a truck engine. Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. For this one, I would want you to send your PCM into us to be done. The tuning alone will be the single biggest change you can make to improve power and throttle response. Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. 2. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. In 2001, production of the 7400 line was discontinued. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. Rowe studied engineering, philosophy and American literature at Central Florida Community College. Bosch p/n: 0280155884. We can tune it if you can build it :). Here is info from COMP Cams. Would you be able to tune this on a new computer so I can keep the original? They seem to be similar to those used in your RV work. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. Engine is in stock configuration with no upgrades. We set all the parameters in the PCM, so you will not have a way to make adjustments on your end. I'm sorry, we can't tune anything prior to 1996 model year. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! Temperature measurements taken before and after the carburetor revealed that the fuel cooling dropped the intake charge temperature from 235 degrees (before the carb) down to 120 degrees (after). Although Chevrolet does not explicitly recommend it, because a full synthetic is so slippery, you can use a lighter weight oil without risk of excessive engine wear. Is it not the same motor from 96 to 2001. Are there any gains to be had by programing and adding headers to my truck? 1999 Crew cab dually, 454 vortec, AUTOMATIC. I have a vortec454 in a non smog az tow vehicle. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. Dec 18, 2007 . At this point the engine run well, with no code problems. You will gain approximately 35-40 horsepower and 45 lb-ft torque. The heads, pistons, and intake are stock. We tune the original black box PCM but do not do the 411 swap. It wasnt the best moment to put out a big cubic inch big block designed for performance vehicles, but the Chevy 454 made an impact. Thank you. I would like the biggest bang for the $. We removed the factory EFI injection, and replaced it with simple carburetion. Whats the stock numbers on a Vortec 454? I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. Is the Vehicle Control Module an ECM by another name? I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Is it worth tuning a black box or worth changing to 411, I have headers ,cat delete, 19.5 five 0 injectors, and Pulling cam swap. Yes, we can tune your ECM. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. All above engines equipped wit Hydraulic Roller Lifters. Please contact us directly to set that up at 800-417-4559. 2023 Power Automedia. To further improve power, we also upgraded the stock hydraulic roller camshaft with an XM284HR from COMP Cams that offered .547 lift, a 230/236-degree duration split and 112-degree lsa. Step 2 Install a high flow air filter and cold air induction intake. I am doing a cam swap on a 98 GMC K3500 7.4 comp cams telks me i will need a custom tune according to cam specs this truck is primarily used for towing plan to use stock fuel injection if posdible any info would be greatly appreciated, I have a 1996 Chevrolet K3500 what is 7.4 454. Fuel pump doesn't run. 1996 c3500 dually 7.4 with 5 speed. It was also noted to have more power for gasoline engines. My question is you claim 40-55 hp gain on the 7.4l , and all the other tuners on the internet only claim 20-25hp gain, will I really see 40-55hp gain with stock engine, exhaust, and air filter? Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! Pindar Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. my ecm has to be replaced. If i buy a tune do i need to send my ECU 1st or can you send me one then when i get the ECU from you send mine back to get my 100 back? We are not able to assist in providing this PCM. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. All rights reserved. . . In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. I wish we could say for sure that you will be able to see a nice gain but we try not to over-promise on that. It is located on top of the radiator support and has 4 connectors going into the back of it. Really? Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. I have a 2000 OBS Chevy quad cab with a 454 Vortec. Thank you. You might be able to run an L29 cam, but you will need to consult an engine builder. Great motor and runs strong with gobs of TQ. Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. Free shipping for many products! Now, that poses the question: what would you shoehorn this big-block Chevy into? The tune will definitely wake the truck up. The 7400 was essentially the same big block 454 that carried Chevy through the muscle car years, but a hydraulic roller camshaft and revised cylinder heads helped to make it far more efficient than the old LS6 could ever dream of being. If you send your ECM in, we can make the necessary adjustments you are requesting. At times I get a dtc for bank 1 and 2 too rich. no. It is bone stock except for tow mirrors and Kodiak door handles on all 4. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. These Chevy 454 Vortec engines made 290 horsepower and 410 lb-ft. Chevy 454 HO Crate Engine Vortec 7400 engines were the final version of the 454 used in production vehicles or trucks. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. Anything that will help the performance. After selecting a motor, we set about making the necessary changes for our test. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. Full Forum Listing. Check if this part fits . Stronger shift points for towing and power. Install an aftermarket windage tray in your engine. JavaScript is disabled. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. Our kits include camshaft, lifters, piston rings, pistons, both rod and main bearings, cam bearings, timing components, oil pump, frost plugs and gasket set, with an option to purchase a crankshaft as well. So if I have your tune done what is the turn around time sending my PCM to you? Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. I plan on a couple of cross country trips this summer before the Banks PPB install, so, should I wait for the tune until after the Banks install or do the tune this year? The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. We use cookies to ensure that we give you the best experience on our website. I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. In our quest to locate a suitable 454, a typical rip to the wrecking yard revealed at least three of the four available big-block combinations. He has worked as a tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a race-car driver and builder. Best of all, this engine will make that power all day long without the threat of grenading under the stress of a turbo or supercharger. If powertrain performance projects and hardcore technical content are your interest, Power & Performance News is the publication designed for you. I just bought this 97 suburban 4wd with the bbc. It was not a good moment to debut a big cubic-inch big block designed for performance vehicles, but the Chevy 7.4 made an impact nonetheless. You can pretty easily get 400+ horses out of that thing and it be streetable. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. I have 2000 Itasca, 30 foot Class A motor home with a high mileage engine, will the ECM performance reprogramming, short the life of my engine? Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? This is only 1 of the many changes that we make with our programming to achieve great power gains. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. This thing is weak as water. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. Performance. Install a high flow air filter and cold air induction intake. m) at 3200 rpm. I know that my question is very reduntant but I need to ask it .I pull a trailer and want a little more tow po1wer. I fought this truck with the cats deleted and air pump disabled. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? Cats have been removed as well as smog pump. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. Yes, this would be the compatible ECM with your VIN and part #. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. These 454 7.4L engines tend to respond pretty well to camshaft changes with good grinds that are designed to produce low and mid-range rpm torque increases. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Our acclaimed editorial staff covers all aspects of engine and driveline upgrades with a mission of presenting information that is both interesting and achievable for the average car guy. There should be no reason to ever need to reprogrammed in the future and if you needed a replacement PCM we can take care of that for you. We can do the tune now with the Banks kit taken into consideration for down the road. I don't drive the truck daily so could send my ECM to you for tuning My question is would this eliminate the SES light for the cats P0430/20 and air pump ?? My next upgrade is going to be exhaust. To allow the motor to rev cleanly to 6,000 rpm under boost, the cam upgrade was teamed with a new set of beehive valve springs. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. I have a 2000 C3500 with the 454/L29 and auto trans. Headers exhaust. 454 L29 Power Upgrade. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. We CAN tune the engine computer with our UltraPower tuning to get more performance but we MUST have you send your PCM in to us for programming as it has a unique PCM that we don't have cores for. 454 Vortec Reliability and Ownership Guide, Pre-Purchase Inspection: What to look out for, crate version of the 454 big block from Chevy, 1996-2000 Chevrolet/GMC C/K GMT-400 platform trucks 2500/3500, 1996-1999 Chevrolet Suburban 2500/GMC Suburban 2500, 1996-2000 Chevrolet Express ( & 1 ton versions), 19982001 Chevrolet Kodiak/GMC TopKick/Isuzu H-Series 4500 5500, Larger Fuel Injectors and Fuel Pump Regulator. Also how much benefit do you think I would gain by going aftermarket catback exhaust. You can definitely hold on to your PCM, that is not an issue. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. Vehicle Monitoring and data-logging like no other! Free shipping. Straight Port Cylinder Heads 6. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! The intercooler did indeed drop the inlet air temps before the carburetor from 248 degrees to 111 degrees and the cooler charge dramatically improved the power output. There was plenty of power left in the YSI, but at 847 hp we couldnt help but be amazed at the extra strength GM put into the design of their 290-hp big block. Oxygen sensor modifications can be done. Makes NO permanent changes to your vehicle's computer! Dont buy a camshaft because someone claims its fantastic; instead, purchase one because you know it will fit your vehicle and give you the performance look you desire. The old, weak 240 HP 454 is every bit as. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. If you want to send your PCM in that you know is functional, that is the best way to do it. Yes our tuning does work for trucks as well. This upgrade will not only improve overall top end power but it also . The guys over at Hot Rod magazine wanted to prove its possible to make big horsepower from a Chevrolet big-block V-8 lifted from a junk1986 motorhome. Is the pcm that is used a 411? Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. You are using an out of date browser. I won't change the exhaust or add a ring eating K&N. With the baby stock cam they made 290hp and 415 ft lbs of torque. will i notice anything? I have a 2000 3500 454. Some of which are going with an upgraded ignition, headers, removing the cats and having the computer flashed to shut down the secondary O2 sensors. Check for Availability: $349.95. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. I have a 1999 3500 Chevy crew cab with the 7.4l 454 Ive got Gibson headers true dual exhaust with flow masters no cats. Also how much horse power and torque do these motors have stock? what does this do at emission inspections?? Stock TBI 454 makes 230hp and 380tq so stock fuel pump is maxed out right off and a typical 454 will run better with a fuel pump upgrade even with stock chip. Any "recalibration" would require sending your ECM to us for programming changes. The only way to know for certain would be to pull the ECM and send to us so we can read it out and check. A cold air induction setup will feed the engine cooler and more oxygen-dense air. I read in earlier questions asked that you had stopped doing the earlier ones. Yes, we can do that. Buy your Innovative Performance Chip/Power Programmer at Amazon! This ignition system upgrade will allow you to set your distributor for a little more timing advance. Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score Seems like it's lacking power towing my boat. No videos but your ECM is fairly easy to identify and replace. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. Stage 1 Upgrade for Mercury 525 EFI. This is a crew cab, 8 foot bed. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. As long as the engine is well maintained, reliability is not affected. The stock injectors are fine for our performance tuning. You can either pay $100 for the core and then be refunded when we receive back yours or you can send in your ECM for reprogram. Naturally, the truck-based 454s. Check the make, year, and model of your car to see if the VIN number is available. When reliability and performance can't be compromised, you want TXL Wire - not the inexpensive primary wire you find in other harnesses; High strand count copper and high-quality insulation makes for high abrasion resistance and easy routing. I want to install a cam while you have the ECU. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? is this unit ready for plug and play. cam with matching torque converter and headers would be easy. I have a few questions so bear with me here. We would reprogram yours and put it in a new case so it looks nice! I didnt see anything on the site but that doesnt mean I saw everything. Very interested in this. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. I am certain we can get more power and overall better drivability with our tuning versus your current setup. These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. I use the truck for towing and it is quite weak, If this ecm has to be reprogrammed in the future do I go to GM Dealer or have to send back to you?? Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. First off, I snagged a used 454 throttle body off ebay and sent it out to www.rvmorsemachine.com to get bored to 54mm for some decent air flow for this big block project. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? Explore Our Forums. I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. You might also want to consider a high voltage coil, high performance 8 mm spark plug wires and a set of quality aftermarket spark plugs to help your engine ignite more of the fuel that goes through it. Install a high-flow air filter and a cold air intake. The GM 7.4L UltraPower ECM has long been the ultimate performance modification you can make to your GM 7.4L powered RV or truck with the highest power gains on the market! 4.56 might be abit tall. Next best upgrade you can make is the Banks TorqueTube headers (, We recommend these injectors:https://www.fiveomotorsport.com/bosch-oem-454-j-code-884-black-knight/. Since the cat removal shift points have been wonky. Dedicated to making your Chevy Truck bad***. Typical turn around is 3-4 days, sometimes quicker. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. I've made several performance upgrades myself, but are always looking for something better. I was thinking about removing the catalytic converter and was wondering if your reflash will delete the "check engine" light that will probably occur when I cut it off? Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. Is this doable? That being said, the threads on the net are pretty old. I had a 7.3 F250 about 8 years ago and I really think the ol Chevy would run with it or out run it. If you send it to us you avoid paying the core charge. Gasoline engines do not require different settings for different conditions like a diesel engine does. Can you guys tune that ecm? Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. If they were cheap enough, sure. Most ordersare shippedwithin 24 hours from the order date. And performance tune? Headers suggested. The engine receives cooler, more oxygen-dense air through a chilly air induction system. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidays, If you will be sending us your ECM for reprogram you will need to select "Remove Core Charge". torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. Could you do a downstream 02 sensor delete? As long as you don't have any emission systems removed, you will pass without any issues. . Well, they can be had stupidly cheap, not counting the extra work it takes to remove the engine and then dispose of the lifeless RV. 16238212. It was only designed for Chevrolets high-performance vehicles, such as the Chevelle and Corvette, and there were claims that engine horsepower output was actually underreported by Chevrolet during the muscle car wars.

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454 vortec performance upgrades
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