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 OBS Chevy quad cab with a 454 Vortec. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! My question is what cam you would recommend for towing? Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. If you don't mind a "dirty" PCM case then we can take care of an order for you. Can you reprogram and net me the same HP & TQ numbers as the L29? youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. Et si je devrai faire recalibrer mon ecm? I have a 2000 gmc k2500 with the l29 454. Only a set of dyno headers and an electric water pump were different. Inexpensive and fairly easy to install, a windage tray will help to keep oil in the sump where it's supposed to be and can even help to extend bearing life by keeping the rotating assembly in balance. For this one, I would want you to send your PCM into us to be done. my ecm has to be replaced. 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires (1996-2000). We are not able to assist in providing this PCM. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. 496 cubic inches. 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. I would think that u-haul did not use their own ECM. Stage 1 Upgrade for Mercury 525 EFI. (454 used only MAP) 2. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. better yet have it tuned (Brian Bosch I believe is the man to talk to about . This is a lie. 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! Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. You can definitely hold on to your PCM, that is not an issue. This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Do you have identifying marks on the ECU? 90 and older is particularly bad and that is largely due to NO OVERDRIVE. We can do the tune now with the Banks kit taken into consideration for down the road. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. Without going into the engine, they make a supercharger kit for it, I know whipple use to. It may not display this or other websites correctly. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. 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*. There are a lot of variables that play into the exact gains we can achieve but I would say somewhere around 45-50 HP and 60 Ft Lb. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. When you purchase, just let us know any modifications or requests and we can accomodate. This is only 1 of the many changes that we make with our programming to achieve great power gains. We gain on average 45-50 horsepower and 50 ft. lb. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. Could you do a downstream 02 sensor delete? Do you offer anything for the 5.3? Install an aftermarket windage tray in your engine. The Vortec 454 was touted as having substantially more power. $199.95. How much will the customization cost me? Can i tell if my RV has this already? 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! 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? 12568774 438 HP @5300 RPM 500 LB/FT @3500 RPM 1 2 Updated Design The 454 HO features an all-forged rotating assembly for great strength and durability. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. Since the cat removal shift points have been wonky. 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. Switched to Mass-Air Flow. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. 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! Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. 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. 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. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. 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. As I understand it I do not have the newer 0411 ECM and these have better processing power but need to be repinned. Check if this part fits . . Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. No videos but your ECM is fairly easy to identify and replace. Weve seen a few 1996-1997 PCMs with this issue. The stock Vortec iron head will not tolerate more than .440-inch lift. . My next upgrade is going to be exhaust. watch out for chips as they just bump the fuel curve. Install a high-flow air filter and a cold air intake. 2019 Rodney W. Brazel Inc. - Ultra RV Products is a Division of Brazel's RV Performance, UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning, within 24 hours from the order date. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. 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. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. Hot Rod decided to bolt up some typical speed parts. And what is the final cost of your ECM. 2. Seems like it's lacking power towing my boat. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. I dont have the 2000 VIN only the VIN from my 1995. im wanting /needing power and torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. This thing is weak as water. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. We are unaware of any cam upgrades specifically for the L21. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. That just won't do. Yessir! Headers suggested. The tire are one size larger than stock to the speedometer is off a little. Only a set of dyno headers and an electric water pump were different. 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. Switch to a lightweight synthetic oil. The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. 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? I THINK I want a diesel until I look at the prices. high flow intake elbow, filter and MAF 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. We include a data recorder with the ECM for your to record engine data and send to us to verify all engine systems are running efficiently. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. I have a few questions so bear with me here. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. I am ready to pull the trigger if I continue to run 87 octane fuel. 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. Is there any way I could send you that one as a core in return for one to work in my 2000? Bosch p/n: 0280155884. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. The tune will definitely wake the truck up. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Can I tune it myself later with my own tuner or is it still a black box like the oem? It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. 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. Always a big complaint with 454 TBI trucks. I've installed hypertech power programmer, lower thermostat, gale banks torque tube headers and full exhaust, with hi-flow catalytic converters, shift-kit for tranny and larger external cooler. The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. 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. Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. Would this work on 1996 7.4L L29? Dedicated to making your Chevy Truck bad***. Thanks for any help. They seem to be similar to those used in your RV work. is this unit ready for plug and play. Best, least expensive way to get more power out of this engine is with our custom tune. Our tuning is custom to your vehicle so if you ever did have a dealer flash the computer it would wipe out the performance settings and revert to stock. 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. Edlebrok performance heads with factory Combustion chamber size 100-110cc, valves set for .700 lift, I-2.190 E-1.880, 3/8" guideplates : http://www.summitracing.com/parts/EDL-60499/ GM Vortec EGR blockoff plate p/n is 12554606. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. Stronger shift points for towing and power. With the shut downs due to the virus, our normal service company that does that for us is closed. The Gray, the green with white strip and the black test grounded. Short tube headers won't do anything for you but long tube headers would he beneficial. You might be able to run an L29 cam, but you will need to consult an engine builder. 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. Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! 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. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. As long as the engine is well maintained, reliability is not affected. Your vehicle is not compatible. Engine is in stock configuration with no upgrades. The only weak link is the peanut port factory heads and the sprinkler style fuel injection. Not only did the cam swap net an additional 52 horsepower (peak-to-peak), but the gains exceeded 80 hp higher in the rev range. The engine receives cooler, more oxygen-dense air through a chilly air induction system. Just need a working substitute, no enhancements really needed. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. 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. Then, in 2001, GM dropped the 7400 and 454 combination in favor of the final powerful big block, the 8100 496-cubic inch engine with 340 horsepower at 4,200 rpm and 455 foot-pounds of torque at 3,200 rpm. Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. At the relay the Orange wire is hot with 12 volts continually. 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. 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. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. Hello! 7.3 is 250-275/505-525 stock. The 1993-or-so design FEAD has been shown the clear the factory hood. Is there a way you could tune that out completely or as much out as you possibly can? Yes that would be fine, you would just need to call in to our service department and schedule a date :). 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 . All above engines equipped wit Hydraulic Roller Lifters. 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. We set it for the best performance in all conditions, it is not user adjustable. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi.