The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. Check for Availability: $349.95. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. from your CUSTOM TUNING,ECM, J'ai l'intention d'amliorer l'ordinateur de mon VR, par un model ULTRAPOWER mais avant d'acheter, j'ai besoin de savoir quels fuel injecteurs seront le mieux adapts ( conomie et rendement ) avec le nouveau module? The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. Thanks for any help. Gains with the modifications you have done would be around 45 HP/ 45 TQ. 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. Free shipping. 4.56 might be abit tall. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. The compression was plenty low for use with the blower, but the extra power it provided would eventually be multiplied by the boost. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8, Innovative Performance Chip/Power Programmer, Big Autoparts Ignition Distributor Set DR474 DR331, ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set, Painless fuel injection wiring utilizes all new TXL wire, OEM fitment connectors and grouped harness breakouts making for an easy install and saving you from using old re-worked wiring; Machine crimped terminals match OE quality. and will it improve my over all power? Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . However, Chevy still offers the 454 big block V8 as a crate engine. Some parts are not legal for use in California or other . Install an aftermarket windage tray in your engine. Installed E3 spark plugs which seemed to help. It won't hurt anything to run like that. Typical turn around is 3-4 days, sometimes quicker. If you want to send your PCM in that you know is functional, that is the best way to do it. We use the original black box PCM's. Yes it would, the Banks PowerPack is helping the engine breathe better but the computer is not doing anything to take full advantage of it. Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! I THINK I want a diesel until I look at the prices. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. If you send us your PCM, our turn around is usually 1-2 days. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. We do not have a hard and fast rule on core returns for the UltraPower programming ECM's as long as it is in reason. After the normally aspirated testing, we replaced the 750 Holley with a dedicated blow-through 850 Holley carburetor from Carb Solutions Unlimited (CSU) and installed the Vortech supercharger kit. Yessir! The proper application of boost to any motor is never inexpensive, and our Vortech YSI supercharger was not what could be considered low-buck, but it was epic in its effectiveness. What sets us apart from the others? A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. It was produced as a gas alternative to the new Duramax LB7 diesel, offering a high-torque gas engine capable of towing just about anything. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. The 1993-or-so design FEAD has been shown the clear the factory hood. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. We are not able to assist in providing this PCM. is this unit ready for plug and play. It would be a good idea to re-tune for the Banks and injection systems. Unfortunately this is not something that we offer. Also I dont have either downstream 02 sensors. Short tube headers won't do anything for you but long tube headers would he beneficial. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. We will safeguard your e-mail and only send content you request. Technical Specifications: No filter cleaning required for up to 100,000 miles. Truck runs great doesnt miss or anything just seems to not really have any power at all in 1st gear and alittle more in second gear. Could you do a downstream 02 sensor delete? Also I have Thorley tri Y hearers on mine will that effect the tune? Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. If you send your ECM in, we can make the necessary adjustments you are requesting. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! I have a uhaul topkick with the 7.4. The Chevrolet 454 was phased out in most passenger vehicles by 1975, but it remained a viable power plant in heavy-duty Chevrolets until 1996. Windage trays are thin, sheet metal plates that bolt to the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights. The stock injectors are fine for our performance tuning. Hot Rod decided to bolt up some typical speed parts. Install an aftermarket windage tray in your engine. Are the tunes generic or do you change different things for different people? Performance Street, great low to mid-range. O-rings: Top and bottom, 14.5 mm - Viton. I'm interested in the available upgrades for the vortec 454. Stronger shift points for towing and power. I installed a K&N replacement are filter in the stock air box. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. This cam is designed specifically for the TBI 350 small-block and specs at 194/214 degrees of duration at .050-inch tappet lift with .398/.442-inch lift. 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. This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". 1997 gmc 3500 cc dually. 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. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. How much can you get them for? Only a set of dyno headers and an electric water pump were different. Obviously different, but I still think the 454 has more to offer. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. Thank you. UltraPower 7.4L ECM Benefits: Gains of 40-45 HP and 45-50 lb-ft torque depending on existing upgrades Gains of 1/2 - 1 MPG Maintains speed and higher gears when climbing hills That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. I fought this truck with the cats deleted and air pump disabled. Any "recalibration" would require sending your ECM to us for programming changes. And what is the final cost of your ECM. We can easily do this with the specs you provide. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Yes, this would be the compatible ECM with your VIN and part #. We don't however specialize in forced induction applications so we would not be able to help you with that. This upgrade will not only improve overall top end power but it also . Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Use for stock replacement OEM original equipment. Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Just worth mentioning. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! 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. With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. Performance. Can i tell if my RV has this already? Parts overview- James L29 Vortec 454 build Ep2 - YouTube 0:00 / 19:37 Parts overview- James L29 Vortec 454 build Ep2 20,387 views Oct 10, 2019 391 Dislike Share Save Dick Hamm 4.68K. Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. Performance computer re-calibration and a Custom High flow Billet Flame Arrestor that increases the maximum power by more than 25 HP* and 30 pounds of torque*. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. 98 Single Rear Wheel 3500 7.4 Vortec. I'm sure there are other differences that would need to be addressed but you should still be able to re-use the original key and ignition harness. If not can a non uhaul ecm be used (ie plugged into the current harness)? The tire are one size larger than stock to the speedometer is off a little. The L29 454 was originally rated at 290 hp and 440 lb-ft of torque thanks to a combination of fuel injection, large oval-port heads (to replace the peanut ports used in the previous Gen V motors) and a slightly higher static compression ratio. as far as the cam, make sure that year didnt have the core support going down the center of the rad (pretty sure it didnt). 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. Yes, we can tune your ECM. Probably cause no cats. no. 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. Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. I recently ordered an ecm for a 7.4 vortec and was very impressed. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. This ignition system upgrade will allow you to set your distributor for a little more timing advance. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. Makes NO permanent changes to your vehicle's computer! You are using an out of date browser. better yet have it tuned (Brian Bosch I believe is the man to talk to about . We removed the factory EFI injection, and replaced it with simple carburetion. 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. 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/. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. The C/K 3500's standard engine is a 5.7-liter V8 OHV 16-volt FI engine, and the 454 engine comes as an optional upgrade. I would think that u-haul did not use their own ECM. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. The truck does not need to be emissions compliant. If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. I have a 2000 OBS Chevy quad cab with a 454 Vortec. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. It will be plug and play. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! I wouldn't mind an EGR delete for the part throttle improvement and a cleaner intake, but mostly I would like to keep everything else functioning, I am looking for more torque below 3,000 rpms, ideally in the 1500-2500 range, because almost all of my driving is in that range. Is it possible to get the newer 0411 with your tune for my truck. I replaced the relay to no avail. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. 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. We use cookies to ensure that we give you the best experience on our website. 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. Just need a working substitute, no enhancements really needed. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! Thank you. Yes, it definitely will. It is an all-iron engine (block and heads . Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. I know they were installed in trucks from 96- 00?. This thing is weak as water. $360.56. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks as much as possible im going to do a cam exhaust and injectors and intake so my questions are what do you think my gain would be with your pcm and can it be piggy backed with a plug in tuner thanks matt, would i be able to get a retune if i add a cam after, and what is the turn around time, thanks. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. Chevrolet Performance 10141280 Part Number: 809-10141280 Chevrolet Performance L29 Vortec Cast Iron Cylinder Head L29 Vortec Cast Iron Cylinder Head 1991-2000 Big Block Chevy Gen V/VI Engines Only Bare Head Sold Individually View Details $756.99 Ships on 03/02/23 FREE Shipping Lowest Price Guarantee Add To Cart Although Chevrolet doesn't specifically recommend it for this engine, the extreme slipperiness of a full synthetic will allow you to run a thinner weight oil without worrying about undue engine wear. 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. Dollar for Dollar, it is highly unlikely that the $2400 for a full blown Banks Power Package would yield the same cost/benefit as say the addition of the UltraPower GM / Workhorse 7.4L (454) Custom Tuning module. Our typical turn around time is 2-3 business days. Can you reprogram and net me the same HP & TQ numbers as the L29? I won't change the exhaust or add a ring eating K&N. Is there any way I could send you that one as a core in return for one to work in my 2000? After selecting a motor, we set about making the necessary changes for our test. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Do you have identifying marks on the ECU? Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. The L29 454 was originally rated at 290 hp and 440 lb-ft of torque thanks to a combination of fuel injection, large oval-port heads (to replace the peanut ports used in the previous Gen V motors) and a slightly higher static compression ratio. Or is it what get is all you get? The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was an extremely powerful gas guzzler that should have remained obscure after the 1973 oil crisis. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. I do some pulling but mainly driving with this truck I have a factory y pipe with no cats and dual 3 inch flowmaster mufflers. No videos but your ECM is fairly easy to identify and replace. For this one, I would want you to send your PCM into us to be done. 454 L29 Power Upgrade. Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? And a k and n filter. Headers suggested. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? K&N fuel injection performance kit. They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. Truck is stock otherwise and runs good just looking for more out of it. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. I plan on the injector and ignition work done in march. (454 used only MAP) 2. Change to a synthetic oil that is light-weight. JavaScript is disabled. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. At this point the engine run well, with no code problems. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. He eventually figured it out. They said they no longer support my RV and had no parts available. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Gasoline engines do not require different settings for different conditions like a diesel engine does. You may also like. Thanks. All rights reserved. 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. I have a GMC PCM service # 16238212 for a 99 Topkick w/7.4L 454 gas engine; and was wondering if you are able to repair these PCMs/ECMs or have an equivalent I can replace it with? It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. Vortech supplied a pulley combination that included an 80-tooth crank pulley and 32-tooth blower pulley which provided a drive ratio of 2.5:1. We set it for the best performance in all conditions, it is not user adjustable. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. the Vortec 7400 (454) that came in that suburban is one hell of an engine, there are also many things you can do to get more mileage and power out of it. Later i want to install the banks PPB 49070 package on this motorhome next year. Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. . This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. 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. will i notice anything? Free shipping. Free shipping for many products! I THINK I want a diesel until I look at the prices. Step 2 Install a high flow air filter and cold air induction intake. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. Oxygen sensor modifications can be done. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Cost would be $495. 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. Marks spare time was heavily consumed by reading automotive magazines and wondering how in the heck people could land a job testing cars all day. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. 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? Your email address will not be published. The bill: $3,699.96 for all but the carb. Heads, intake and headers would definitely wake it up. A cold air induction setup will feed the engine cooler and more oxygen-dense air. 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. Thanks. Learn more. 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. Switch to a lightweight synthetic oil. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. The performance chip is fully compatible with your Chevrolet Silverado 1500 in all trims, including the 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L and 7.4L engines. The old, weak 240 HP 454 is every bit as. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! General Motors debuted the 7.4 Vortec in 1970, one year before emissions requirements were tightened and three years before the gas crisis hit with full force. We only specialize in the big block engines. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. This engine has two valves per cylinder and features multi-port fuel injection. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. It was bone stock 2x4 extended cab dually. I have a 2000 OBS Chevy quad cab with a 454 Vortec. . I have a 2000 C3500 with the 454/L29 and auto trans. 496 cubic inches. Whats the stock numbers on a Vortec 454? It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. Your vehicle is not compatible. 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. Turn around time is 1-2 business days. Seems like it's lacking power towing my boat. I have the 411. BBK Power Plus 80 millimeter Throttle Body for GM Vortech 305/350/454 for all BBK 1996-1999 GM Vortec 305, 350, 454 throttle bodies are designed to increase airflow and improve horsepower from between 7-12 HP depending on the vehicle and . These fit: 1966-1998 Chevrolet & GMC 6.0L, 1970-2000 Chevrolet, GMC, Pontiac & Mercruiser Marine 7.4L 454, 2001-2009 Chevrolet & GMC 8.1L , Also fits Mercury Marine Big Block 7.4L, 8.1L & 8.2L Engines. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. If powertrain performance projects and hardcore technical content are your interest, Power & Performance News is the publication designed for you. Will this correct my RPM gauge issue? Buy in monthly payments with Affirm on orders over $50. But like any stock engine, there was tons of power left to be squeezed out. Are there any gains to be had by programing and adding headers to my truck? Even better than the big peak gains was the fact that the cam swap . 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. Yes, we can do that. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. Check back with us as we plan on adding a set of Brodix Race Rite aluminum heads to the mix in Part 2 of Project Boneyard Boost. That extra air going into your engine needs to get out somehow; installing a full aftermarket exhaust system like this is always good for more fuel economy, especially when combined with a freer-flowing intake. Find many great new & used options and get the best deals for BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD at the best online prices at eBay! Check out their web sight Bankspower.com Can I tune it myself later with my own tuner or is it still a black box like the oem? All fuel injector specifications meet or exceed the manufacturer's specification standard. UltraPower 7.4L ECM Benefits: Gains of 40-45 HP and 45-50 lb-ft torque depending on existing upgrades Gains of 1/2 - 1 MPG Maintains speed and higher gears when climbing hills 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. You can pretty easily get 400+ horses out of that thing and it be streetable. Would this work on 1996 7.4L L29? We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. Can you tune my new 2000 ECM and will it work without the original key and ignition harness. BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. As long as you don't have any emission systems removed, you will pass without any issues. If it does work what would do for pulling and climbing hills? 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. There is a small red wire that has never been connected to anything. Most ordersare shippedwithin 24 hours from the order date. So, what are the most common problems with the Chevy 454 Vortec?