Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your vehicle by safely optimizing your air/fuel ratio and timing curve for increased efficiency! Pace Performance Products in Ohio put together a decent upgrade. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. 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. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. L29 454 Vortec | Team Chevelle The 7.4L was originally offered in three versions: the LS5, LS6, and LS7 (which was never offered as a factory option to the general public). GAS MILEAGE. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! 1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers Makes NO permanent changes to your vehicle's computer! I'm sorry, we can't tune anything prior to 1996 model year. Performance. Change to a synthetic oil that is light-weight. It is $495 if your sending your core/pcm in first. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. I heard these trucks have a torque management system does this computer give my truck back all its power? The engine receives cooler, more oxygen-dense air through a chilly air induction system. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. I have a 98 C-3500 dually with a Vortec 454. 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*. performance, modifications, classifieds, troubleshooting, maintenance, and more! 1997 gmc 3500 cc dually. 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. Configured with our pulley combination, the YSI spit out a peak boost pressure of 19.1 psi where the boosted big block produced 791 hp and 713 lb-ft of torque. 1996 K3500 454 (7.4L) | Off Roading Forums This engine has two valves per cylinder and features multi-port fuel injection. Yes our tuning does work for trucks as well. Please just leave in the order comments your requests to be done. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. CHEVROLET 7.4L/454 Parts and Accessories - Summit Racing Equipment We can adjust for speedometer error. 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. Yes, we can do that. 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. Yes, this would be the compatible ECM with your VIN and part #. I'm saving up for the banks power pack system. As you can tell, it doesn't deliver much. All above engines equipped wit Hydraulic Roller Lifters. im wanting /needing power and torque. What type of gains could I expect with a tune for this? Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. 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. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. I dont have the 2000 VIN only the VIN from my 1995. 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. 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. The greater the power gains, the bigger the budget. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. Truck is stock otherwise and runs good just looking for more out of it. Do a 12 swap and be done. We don't however specialize in forced induction applications so we would not be able to help you with that. and will it improve my over all power? "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI 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? Switch to a lightweight synthetic oil. Please see our shipping terms for more information. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. Vortec Big block performance upgrades. - GMT400 We can also adjust your speedometer to be correct. The Official Vortec 454 Info thread - GMT400 Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. Just worth mentioning. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. We only specialize in the big block engines. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. 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". 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. $360.56. (454 used only MAP) 2. will your new part ecm work on this motorhome. Wiring is the same. I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. As long as you don't have any emission systems removed, you will pass without any issues. 454 vortec or 8.1 swap? | Chevy Impala SS Forum Check if this part fits . 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. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. They also installed roller lifters, heavy springs and chain/gears. Body Diameter: 16 mm. 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. 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. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. Topping the engine is a borrowed four-barrel Holley XP carburetor. We do not go further back than 1996 (OBD2) modules, sorry. Would the retuned ECM provide any performance gains above what are present now? 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. Vortex comes from the word vortex. The goal was to construct a fuel-efficient engine with an air-to-fuel combustion system that would eventually produce more power. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. Is this doable? I have the 411. $119.95. The Vortec 454 was touted as having substantially more power. I would think that u-haul did not use their own ECM. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. You can source the 454 HO directly from Chevrolet. The 8th digit of your VIN is the letter "D" which designates your engine as a 7.4L LP4 which is different from a normal L29 7.4L. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. Headers exhaust. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. Don't know how tuning would work. 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. The old cast-iron cylinder heads and low-rise intake manifold were dumped in favor of some aluminum PowerOval 280 heads from Trick-Flow with upgraded valvetrain and a Summit single-plane intake manifold. He eventually figured it out. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. Does this upgrade have a negative or positive impact on engine life? Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. 454 vortecgood or bad | Performance Boats Forum Also I have Thorley tri Y hearers on mine will that effect the tune? UltraPower GM / Workhorse 7.4L (454) Custom Tuning - Ultra RV Products For a better experience, please enable JavaScript in your browser before proceeding. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM - ebay.com We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. We are currently out of clean/painted cases for the PCM's. The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. 1999 vortec 454 7.4 - HPTuners I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. Vise grip, needle-nose and standard pliers. 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. 1998 k 3500 454 auto 4:10 Dually..What on earth can I do to get more out of my truck..without mortgaging the house. Is there anything to be gained within my parameters? Buy your Innovative Performance Chip/Power Programmer at Amazon! Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. The truck does not need to be emissions compliant. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. Also I dont have either downstream 02 sensors. I am considering your tune for my motorhome. The air filter is easily removed, cleaned, and reused. A windage tray, which is cheap and simple to install, can help to keep oil in its proper location by keeping the rotating assembly balanced. 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. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. You can definitely hold on to your PCM, that is not an issue. 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. 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. But don't despair. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. This project will also let customers know if spendintg approx $2300 on all these upgrades is going to give them the results they need from their big block engines. Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. At times I get a dtc for bank 1 and 2 too rich. Aftermarket hood are hit and miss, we did find that the integrated airbox arrangement of the Suncoast hood played havoc with clearances that were confirmed to fit within the factory underhood bracing. If you can find this PCM in a salvage yard or from a different type of vehicle that uses the same, we can likely program it to your vehicle for you. Probably cause no cats. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. Free shipping for many products! 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. 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. Thanks to a maximum impeller speed of 65,000 rpm (racers go even higher) and a peak efficiency rating of 78%, the Vortech YSI was capable of supporting over 1,200 hp at 30 psi. We will safeguard your e-mail and only send content you request. Thanks. How To Add 70 Percent More Power to A Chevy 454 V-8. Your vehicle is not compatible. 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. Switched to Mass-Air Flow. The banks system will give you 70hp and 85lb-ft. 454 MK VI (vortec) | NastyZ28.com Reference core exchange, what is the time limit for you to receive the exchange? We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. 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. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. 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. This modification won't be cheap or easy to install, but will eventually pay for itself if you do a lot of towing or drive a lot of miles. 2023 Power Automedia. The tuning alone will be the single biggest change you can make to improve power and throttle response. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. Purchase a Chevy 454 crate engine online from JEGS High Performance. Install an aftermarket windage tray in your engine. Would you be able to tune this on a new computer so I can keep the original? Check for Availability: $349.95. I have a 2000 gmc k2500 with the l29 454. This is only 1 of the many changes that we make with our programming to achieve great power gains. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. I installed a K&N replacement are filter in the stock air box. 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? That being said, the threads on the net are pretty old. Hello! Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. 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. I have a 1996 C3500 crew cab dually with a 7.4. Weve seen a few 1996-1997 PCMs with this issue. Cats have been removed as well as smog pump. When it shows 55 MPH your actually going about 57 to 58 MPH. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. high flow intake elbow, filter and MAF Is the Vehicle Control Module an ECM by another name? 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. Yes, we could accept the PCM from your '98 as the core. You will gain approximately 35-40 horsepower and 45 lb-ft torque. I want to install a cam while you have the ECU. Though larger than the previous 7.4L models, the unique 8.1L could not utilize the amazing array of performance parts available for the previous three conventional big-block models. 3. Install a high-flow air filter and a cold air intake. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. 16238212. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. Cost would be $495. JavaScript is disabled. Great motor and runs strong with gobs of TQ. Any "recalibration" would require sending your ECM to us for programming changes. Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? How to Make Power with a Chevy TBI V-8 - MotorTrend I'm interested in the available upgrades for the vortec 454. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. We modify this so that it is still "safe" but definitely wakes the truck up. I recently ordered an ecm for a 7.4 vortec and was very impressed. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. 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. We would reprogram yours and put it in a new case so it looks nice! 454 L29 Power Upgrade. Vortec 454 7.4L Fuel Injector Upgrade, Replacement old injectors with That just won't do. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. I just bought this 97 suburban 4wd with the bbc. You might be able to run an L29 cam, but you will need to consult an engine builder. As long as the engine is well maintained, reliability is not affected. I am certain we can get more power and overall better drivability with our tuning versus your current setup. 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. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts - Competition Products Interested, but don't want to buy one to find out i've already got it :D (my unit has 2 previous owners i think). Will this correct my RPM gauge issue? Hello I have 2000 GMC k3500 Truck. Also how much benefit do you think I would gain by going aftermarket catback exhaust. 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? It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. Just make sure to include that information in the order comments and we can make that happen for you :). So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Hot Rod And remember, thats all without touching the bottom end. But like any stock engine, there was tons of power left to be squeezed out. Find many great new & used options and get the best deals for BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD at the best online prices at eBay! So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. So if I have your tune done what is the turn around time sending my PCM to you? Do you have identifying marks on the ECU? Even stock we see impressive gains but even more so with the Banks PowerPack installed. Alright Jay! Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. Best, least expensive way to get more power out of this engine is with our custom tune. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. I will be sending you my ECU. So, what are the most common problems with the Chevy 454 Vortec? Rowe studied engineering, philosophy and American literature at Central Florida Community College. Can you reprogram and net me the same HP & TQ numbers as the L29? After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. I've noticed a significant performance uptick, but it seems to fall flat in the upper mid-range, almost seems like it could use a MSD multi spark discharge, I don't know, but I'm considering having a dyno test to see what is happening. Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. Use for stock replacement OEM original equipment. Reading some of your responses I came across one with regards to a 1996. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. It was also noted to have more power for gasoline engines. If you continue to use this site we will assume that you are happy with it. Another popular upgrade is changing to Bosch 4 hole injectors. You may also like. m) at 3200 rpm. Fuel pump doesn't run. Despite the impressive cooling powers of the carburetor, we were still concerned about the elevated charge temps going into the carburetor. Is it not the same motor from 96 to 2001. . Feel free to call me with your vin # handy if you would like to get your order in.