It is bone stock except for tow mirrors and Kodiak door handles on all 4. . 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. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Even stock we see impressive gains but even more so with the Banks PowerPack installed. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. . Yes, we can resolve your issues. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. Im also trying to get more out of this engine without tearing into it so I was just hoping this fixed my gauge as well. We tune the original black box PCM but do not do the 411 swap. (454 used only MAP) 2. 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. Only a set of dyno headers and an electric water pump were different. Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. Whats the stock numbers on a Vortec 454? Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. . Please see our shipping terms for more information. The engine displacement in liters is 7400, which is readily changed to 7.4 liters. 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. 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. Any thoughts from you technical guys? We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. We appreciate it but we only specialize in the big block engines. The engine receives cooler, more oxygen-dense air through a chilly air induction system. Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. 7.3 is 250-275/505-525 stock. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. Programmers. Is there anything to be gained within my parameters? Since the cat removal shift points have been wonky. Just make sure to include that information in the order comments and we can make that happen for you :). This is a crew cab, 8 foot bed. We can easily do this with the specs you provide. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. The state of California requires that this warning be posted for people purchasing products that reside in California. This is only 1 of the many changes that we make with our programming to achieve great power gains. Buy in monthly payments with Affirm on orders over $50. 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? 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. Thank you. This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". If you would like to place your order feel free to give me a call at 800-417-4559. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. vortechsuperchargers.com. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. Also the torque management. Typical turn around is 3-4 days, sometimes quicker. Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. 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. We are currently out of clean/painted cases for the PCM's. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. What sets us apart from the others? The stock injectors are fine for our performance tuning. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. Installed E3 spark plugs which seemed to help. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. 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. That being said, the threads on the net are pretty old. Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. Naturally, the truck-based 454s. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. 2023 Power Automedia. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. Performance. In 2001, production of the 7400 line was discontinued. 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. Your email address will not be published. I'm saving up for the banks power pack system. Or if I pay to send in, is the return shipping included in the $495? Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. Install a high-flow air filter and a cold air intake. The stock Vortec iron head will not tolerate more than .440-inch lift. TQ with those modifications done. Thanks. 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. The 7400 was essentially the same big block 454 that powered Chevy through the muscle car years, but with improved cylinder heads and a hydraulic roller camshaft, it was far more efficient than the old LS6 could ever hope to be. 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. I have the 411. and will it improve my over all power? Even better than the big peak gains was the fact that the cam swap . im wanting /needing power and torque. A cold air induction setup will feed the engine cooler and more oxygen-dense air. I would like to get the o2 delete. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. Body Diameter: 16 mm. Dec 18, 2007 . 3. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. Could you do a downstream 02 sensor delete? what does this do at emission inspections?? We removed the factory EFI injection, and replaced it with simple carburetion. As long as the engine is well maintained, reliability is not affected. It would be a good idea to re-tune for the Banks and injection systems. 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. Buy in monthly . 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. Really? The batteries are fully charged and there is 12 volts to the distributor. All above engines equipped wit Hydraulic Roller Lifters. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Also, is shipping included both ways? Just wondering because Id buy one of those as well. 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 I have a 2000 3500 454. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. I read in earlier questions asked that you had stopped doing the earlier ones. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. Feel free to call me with your vin # handy if you would like to get your order in. We can adjust for speedometer error. If it does work what would do for pulling and climbing hills? I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? See listing details. My question is that I have a 1998 7.4 parts truck. The greater the power gains, the bigger the budget. $119.95. We will set the tune up based on your modifications and requests. The Vortec 454 was touted as having substantially more power. I have now disassembled the entire engine (except the crank and pistons) to check that everything looks good, remove all the dirt and grease and to prepare it for a rebuild. Primary or Expansion Gauges And Upgrade Kits (52mm) For 2008+ OBDII CAN bus vehicles, Upgrading SIx-Gun, Economind, and SpeedBrake, or use with BBus Sensor Modules. Is it possible to get the newer 0411 with your tune for my truck. I THINK I want a diesel until I look at the prices. If you don't mind a "dirty" PCM case then we can take care of an order for you. 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. Yes that would be fine, you would just need to call in to our service department and schedule a date :). All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. 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. 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. Yes we modify the shift patterns to hold the upper gears longer, your shift kit would not interfere or cause issues. Would we still get the good price when you get more control modules in stock? Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. 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. At times I get a dtc for bank 1 and 2 too rich. Switched to Mass-Air Flow. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. For a better experience, please enable JavaScript in your browser before proceeding. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001.
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