The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. Buy in monthly payments with Affirm on orders over $50. Change to a synthetic oil that is light-weight. It will not void your factory warranty, and does not modify any emissions systems. 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. 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? I have a uhaul topkick with the 7.4. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. 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. 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. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. I would like the biggest bang for the $. It may not display this or other websites correctly. Thanks. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. We can send a pre-programmed ECU on core exchange. Vortec 8100 8.1L Chevy GM Performance Parts - GEN 7 Big Block - 496MAG Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score 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. 1997 gmc 3500 cc dually. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. 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. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS WARNING: Products may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. I do still have all the O2 sensors but would like to delete them if possible. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. A stock 12v ain't got **** on a BBC. With the baby stock cam they made 290hp and 415 ft lbs of torque. Only a set of dyno headers and an electric water pump were different. I was thinking about removing the catalytic converter and was wondering if your reflash will delete the "check engine" light that will probably occur when I cut it off? thanks, Hey i have a 1997 chevy k2500 7.4 manual nv4500 trans 3.73 engine bone stock with 45,678 on rebuild with a working good ecm is tunning a question if so how much $. Programmers. See listing details. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. My car is GMC pick-up 7.4L 1998. it is manual transmission. Would this work on 1996 7.4L L29? Vortech Superchargers Also, is shipping included both ways? 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. How much will the customization cost me? After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. 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. 454 L29 Vortec Engine Performance | Team Chevelle Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. Do you have identifying marks on the ECU? Thanks for any help. Hello I have 2000 GMC k3500 Truck. . 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. We use cookies to ensure that we give you the best experience on our website. Heads, intake and headers would definitely wake it up. So if I have your tune done what is the turn around time sending my PCM to you? For GM vehicles, the Vortec variant increased power by 60 horses. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. Opinions On the 7.4 / 454 Suburbans and engine - Expedition Portal Later i want to install the banks PPB 49070 package on this motorhome next year. He eventually figured it out. Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA Thank you. I am certain we can get more power and overall better drivability with our tuning versus your current setup. Install an aftermarket windage tray in your engine. 454 L29 Power Upgrade | Hot Rod Forum What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? I have a 2000 3500 454. We will safeguard your e-mail and only send content you request. 496 MAG Performance Parts Performance Applications Chevy / GM Trucks Just wondering because Id buy one of those as well. 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. 454 vortec or 8.1 swap? | Chevy Impala SS Forum I have had a hard time finding much of anything for these engines. 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. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. my old part number on ecm is 16263494 on 1999 454. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. As I understand it I do not have the newer 0411 ECM and these have better processing power but need to be repinned. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. Our typical turn around time is 2-3 business days. $399.99. For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. 7.4 chevy engine in georgia boy pursuit motorhome. 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). The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. performance, modifications, classifieds, troubleshooting, maintenance, and more! Richard Rowe has been writing professionally since 2007, specializing in automotive topics. what features will i gain with this new unit. 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. 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. performance upgrades for 88-94 TBI chevy truck.? torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. Its amazing what some bolt-on parts can do! We use the original black box PCM's. . Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. Thanks. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. We can also take care of the TQ management for you. PART NO. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. Chevy 5.7 Vortec Engine Performance Upgrades Just worth mentioning. If you send your ECM in, we can make the necessary adjustments you are requesting. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. I dont have the 2000 VIN only the VIN from my 1995. This thing is weak as water. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. Project Boneyard Boost was one of those rare occasions where we got to apply a massive infusion of power to a motor that cost next to nothing. The air filter is easily removed, cleaned, and reused. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. Would you be able to tune this on a new computer so I can keep the original? The greater the power gains, the bigger the budget. 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. 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). 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. Et si je devrai faire recalibrer mon ecm? The Gray, the green with white strip and the black test grounded. We removed the factory EFI injection, and replaced it with simple carburetion. Is it not the same motor from 96 to 2001. will your new part ecm work on this motorhome. Explore Our Forums. We modify this so that it is still "safe" but definitely wakes the truck up. Installed E3 spark plugs which seemed to help. It is not 4x4. 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. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM - ebay.com Injector type: US-CAR, saturated. 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. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. We are currently waiting on more ECM's to come in to be able to provide them on exchange. 2. Need advice: 454 VI L29 Build | Hot Rod Forum Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. 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. 454 L29 Power Upgrade. Fortec4x4 Jeep Customizing - FORTEC4x4 Yessir! In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. If you send us your PCM, our turn around is usually 1-2 days. This upgrade will not only improve overall top end power but it also . Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com Is there anything to be gained within my parameters? CHEVROLET 7.4L/454 - Free Shipping on Orders Over $99 at Summit Racing Departments Restoration Stock Replacement Street Rod Shop Departments Air & Fuel Delivery Books/Videos/Software Brake Systems Chassis & Suspension Cooling & Heating Engines & Components Exhaust Exterior & Accessories Fasteners & Hardware Fittings & Hoses Gaskets & Seals CHEVROLET 7.4L/454 Parts and Accessories - Summit Racing Equipment And performance tune? We can also adjust your speedometer to be correct. 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. Stage 1 Upgrade for Mercury 525 EFI. 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. 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.
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