Topping the engine is a borrowed four-barrel Holley XP carburetor. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. 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. If product is incorrect for the provided VIN we will contact you to revise order. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. 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. Dec 18, 2007 . Please see our shipping terms for more information. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. New 2-Piece Intake Manifold w/Long Intake Runners 7. 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*. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . Performance Street, great low to mid-range. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. Thank you. Always a big complaint with 454 TBI trucks. Purchase a Chevy 454 crate engine online from JEGS High Performance. And performance tune? The compression was plenty low for use with the blower, but the extra power it provided would eventually be multiplied by the boost. Your email address will not be published. All fuel injector specifications meet or exceed the manufacturer's specification standard. GMC 7.4L/454 JET Performance Parts and Accessories Brand: JET Performance Make: GMC Engine Size: 7.4L/454 Individual Parts Part Groups In-Store Pickup Results 1 - 25 of 117 25 Records Per Page Default Sort JET Performance Programmers 15024 Computer Programmer, Chevy, GMC/Cadillac, Fullsize Pickup/SUV, 4.3L/5.0L/5.7L/7.4L, V6/V8, Each 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. better yet have it tuned (Brian Bosch I believe is the man to talk to about . Choose FORTEC 4x4 for Jeep Wrangler JL and Jeep Gladiator JT Customizing - Highly trained Specialists Since 1991 Each Jeep we touch brings you the greatest quality, functionality and performance We offer Jeep Turn Key Solutions, Jeep Parts and Jeep Accessories in Partnership with Jeep Dealerships in Atlanta and Florida It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. See listing details. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. 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. Unfortunately this is not something that we offer. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Great motor and runs strong with gobs of TQ. 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. I like my shift points where they are. It is not 4x4. The state of California requires that this warning be posted for people purchasing products that reside in California. 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. 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. It is located on top of the radiator support and has 4 connectors going into the back of it. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. What sets us apart from the others? All rights reserved. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Some differences are: 1. So if I have your tune done what is the turn around time sending my PCM to you? performance, modifications, classifieds, troubleshooting, maintenance, and more! When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. We gain on average 45-50 horsepower and 50 ft. lb. 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. We have been doing them on a limited basis, it has been very challenging to find good cores to use. When it shows 55 MPH your actually going about 57 to 58 MPH. Reference core exchange, what is the time limit for you to receive the exchange? 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? Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. The 1993-or-so design FEAD has been shown the clear the factory hood. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. I have a 2000 C3500 with the 454/L29 and auto trans. GAS MILEAGE. 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. My tech who does the programming is out of town this week so it would get done first thing next week if you wanted to go ahead with it. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. Headers suggested. . "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. We can also take care of the TQ management for you. We removed the factory EFI injection, and replaced it with simple carburetion. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. The Muscle Automobile Period had come and gone before the 7400 series debuted. 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. Hello I have 2000 GMC k3500 Truck. Check the make, year, and model of your car to see if the VIN number is available. Explore Our Forums. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. As you can tell, it doesn't deliver much. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. (454 used only MAP) 2. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. It was produced as a gas alternative to the new Duramax LB7 diesel, offering a high-torque gas engine capable of towing just about anything. Apr 10, 2008 #5 M MyBoTy Veteran Member It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. I will be sending you my ECU. Is it possible to get the newer 0411 with your tune for my truck. 98 Single Rear Wheel 3500 7.4 Vortec. no. can you tune it Perform with these upgrades, We would like to have ordered the 7.4 custom tune ,but appearantly you are out of stock at the moment.Is there any time frame when you will have more modules.I would like to send you mine but I need my vehicle.Also we would like to have had the reasonable price. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. Does this computer hav egr delete programmed into it. Buy your Innovative Performance Chip/Power Programmer at Amazon! . 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. This ignition system upgrade will allow you to set your distributor for a little more timing advance. 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. 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. Another popular upgrade is changing to Bosch 4 hole injectors. Are there any gains to be had by programing and adding headers to my truck? Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. But don't despair. 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. Feel free to call me with your vin # handy if you would like to get your order in. Is it not the same motor from 96 to 2001. Cost is $395 plus a $175 core charge which is refundable. 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. I want to install a cam while you have the ECU. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. 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 We can tune it if you can build it :). I have a 2000 GMC school bus with the L21 7400 motor. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. Yes, this would be the compatible ECM with your VIN and part #. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. Check if this part fits . We are running about 2-3 days on turnaround right now. It would be a good idea to re-tune for the Banks and injection systems. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. I have 2000 Itasca, 30 foot Class A motor home with a high mileage engine, will the ECM performance reprogramming, short the life of my engine? Chevrolet Performance 10141280 Part Number: 809-10141280 Chevrolet Performance L29 Vortec Cast Iron Cylinder Head L29 Vortec Cast Iron Cylinder Head 1991-2000 Big Block Chevy Gen V/VI Engines Only Bare Head Sold Individually View Details $756.99 Ships on 03/02/23 FREE Shipping Lowest Price Guarantee Add To Cart
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