Is the pcm that is used a 411? In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. 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. The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. 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. Best, least expensive way to get more power out of this engine is with our custom tune. We have a complete Banks Power System and Banks Air Flow. While we do get reports back of fuel economy gains, that is something we can not guarantee as there are just too many variables that can affect an RV's fuel economy. In 1996, when all of GMs models received excellent reviews due to a new range of engines that added power, every one of its vehicles were praised by clients. I THINK I want a diesel until I look at the prices. We gain on average 45-50 horsepower and 50 ft. lb. better yet have it tuned (Brian Bosch I believe is the man to talk to about . 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 cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. 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. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. Return shipping is included , you are responsible for shipping to us , however if you choose the "core charge" and order the ECM , we can provide a return shipping label for your core and deduct from the core refund. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. Do you have identifying marks on the ECU? If you want to send your PCM in that you know is functional, that is the best way to do it. Pindar Yes that would be fine, you would just need to call in to our service department and schedule a date :). 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. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Purchase a Chevy 454 crate engine online from JEGS High Performance. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. 5. I would like the biggest bang for the $. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. We appreciate it but we only specialize in the big block engines. All rights reserved. They also installed roller lifters, heavy springs and chain/gears. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. It was bone stock 2x4 extended cab dually. 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. Prices increase after 2/28. The only weak link is the peanut port factory heads and the sprinkler style fuel injection. 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. The LS6 was discontinued after 1971 because of tighter emissions controls, and the LS5s power had dropped to about 245 horsepower by 1973 as a result of more stringent emission standards. 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. 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. 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? 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. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. This upgrade will not only improve overall top end power but it also . I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. 2023 Power Automedia. Since the cat removal shift points have been wonky. It is an all-iron engine (block and heads . 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. Later i want to install the banks PPB 49070 package on this motorhome next year. We can easily do this with the specs you provide. 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. If I order a ecm reprogram will this fix my speedometer error too?? That is the difference between cookie-cutter and custom! Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. 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? I am ready to pull the trigger if I continue to run 87 octane fuel. 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 filled out a form and sent to COMP Cams to see what they recommend and sent an e-mail to Blackbear to see what cams they had experience with since I will need to PCM tune redone. I straight wired it to test it and it will run. We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. Growing up, Mark always had a mind for tinkering on random items throughout his home and dads garage, including a 1953 Ford Mainline and 1971 Corvette Stingray. Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. For this one, I would want you to send your PCM into us to be done. Having tried the things you already have, I am pretty confident the issue is the PCM. no. 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. I THINK I want a diesel until I look at the prices. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. I recently ordered an ecm for a 7.4 vortec and was very impressed. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. We don't however specialize in forced induction applications so we would not be able to help you with that. Mostly people saying to try this and try that. 496 cubic inches. 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. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. If you send your ECM in, we can make the necessary adjustments you are requesting. Explore Our Forums. Do you still tune the 96 ecm? 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. I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. Bosch p/n: 0280155884. 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. Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! At the relay the Orange wire is hot with 12 volts continually. 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. BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. 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. We set it for the best performance in all conditions, it is not user adjustable. Is this enough information to create a tune or will you need more information? No videos but your ECM is fairly easy to identify and replace. I fought this truck with the cats deleted and air pump disabled. O-rings: Top and bottom, 14.5 mm - Viton. vortechsuperchargers.com. Free shipping. It has an ohv configuration with two valves per cylinder and a bore and stroke of 4.24 inches x 3 on the intake side. When it shows 55 MPH your actually going about 57 to 58 MPH. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. my ecm has to be replaced. We will safeguard your e-mail and only send content you request. Don't know how tuning would work. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Headers exhaust. http://www.cumminsdieselspecs.com/cummins_timeline.html, http://www.internationalpowerstroke.com/timeline.html, http://www.duramaxdieselspecs.com/compare_duramax.html, Tow rig Suspension and Axle upgrades questions (4th Gen Dodge). To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. Stage 1 Upgrade for Mercury 525 EFI. It would be a good idea to re-tune for the Banks and injection systems. Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. . 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. Is there any way I could send you that one as a core in return for one to work in my 2000? I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. 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. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. Also I have Thorley tri Y hearers on mine will that effect the tune? Thank you. The air filter is easily removed, cleaned, and reused. Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. How much will the customization cost me? The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. Is it possible to get the newer 0411 with your tune for my truck. Weve seen a few 1996-1997 PCMs with this issue. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. will i notice anything? This mod will not be inexpensive or simple to execute, but it will pay for itself if you do a lot of towing or drive a lot of miles. 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. Free shipping for many products! They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. If you choose the core option we will program an ECM here and ship to you. . Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. Thanks. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road.

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454 vortec performance upgrades