Oxygen sensor modifications can be done. Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. Solenoid resistance: 12.5 Ohms. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. im wanting /needing power and torque. Some of which are going with an upgraded ignition, headers, removing the cats and having the computer flashed to shut down the secondary O2 sensors. 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. Free shipping for many products! A stock 12v ain't got **** on a BBC. Purchase a Chevy 454 crate engine online from JEGS High Performance. The banks system will give you 70hp and 85lb-ft. 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? Hot Rod And remember, thats all without touching the bottom end. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. 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. Roller Lifters 5. Yes, we can do that. It may or may not have a decal on the ECM depending on if they did a mail order tune or came in to our shop. 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? 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. Is it possible to get the newer 0411 with your tune for my truck. This thing is weak as water. The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was an extremely powerful gas guzzler that should have remained obscure after the 1973 oil crisis. I'm sorry, we can't tune anything prior to 1996 model year. I will be sending you my ECU. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. I do some pulling but mainly driving with this truck I have a factory y pipe with no cats and dual 3 inch flowmaster mufflers. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . 7.4 chevy engine in georgia boy pursuit motorhome. This engine has two valves per cylinder and features multi-port fuel injection. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. 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.
454 Vortec - What happened to the horsepower? - Google Groups 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. Temperature measurements taken before and after the carburetor revealed that the fuel cooling dropped the intake charge temperature from 235 degrees (before the carb) down to 120 degrees (after). 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. 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. I am ready to pull the trigger if I continue to run 87 octane fuel. Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. Marks spare time was heavily consumed by reading automotive magazines and wondering how in the heck people could land a job testing cars all day. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. With the 454, putting in Vortec 350 code and chaning the displacement and enter in the tables/constants/switches appropriate to the 454 is all that is needed. That extra air entering your engine must go somewhere; a full aftermarket exhaust system like this is always beneficial to fuel efficiency, especially when combined with a freer-flowing intake. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. This upgrade will not only improve overall top end power but it also . Explore Our Forums. 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. 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. I have been watching lots of posts and things get carried away very quickly about getting big big hp. Prices increase after 2/28.
UltraPower GM / Workhorse 7.4L (454) Custom Tuning - Ultra RV Products The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. Mar 20, 2011 #4 M MyBoTy Veteran Member Feb 9, 2002 1,567 Lubbock, Texas USA
How To Add 70 Percent More Power to A Chevy 454 V-8 - Top Speed We modify this so that it is still "safe" but definitely wakes the truck up. 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. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. We can send a pre-programmed ECU on core exchange. 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. Thank you. Forget the typical race-motor build up, Boneyard Boost was all about force feeding some tired, high-mileage workhorse we purchased for the paltry sum of $500 ($250 on half price sale weekend!). 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. It is quite a noticeable difference! In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740.
Common Problems with Chevy 454 Vortec (Explained!) 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. This is only 1 of the many changes that we make with our programming to achieve great power gains. You will gain approximately 35-40 horsepower and 45 lb-ft torque. 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. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. That being said, the threads on the net are pretty old. I called Banks Power last week to try and find out what they recommend. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. That represents a 70-percent increase in horsepower. Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. As I understand it I do not have the newer 0411 ECM and these have better processing power but need to be repinned. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. Yes, we can tune your engine for more power, doesn't matter what type of transmission. Install a high-flow air filter and a cold air intake. Would the retuned ECM provide any performance gains above what are present now? I want to install a cam while you have the ECU. Also known as the Vortec 7400 (7.4L, Regular Production Option designation L29), Chevrolet's Vortec 454 was a modern-day evolution of the company's most legendary big block. O-rings: Top and bottom, 14.5 mm - Viton. These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. 1997 gmc 3500 cc dually. I fought this truck with the cats deleted and air pump disabled. So, what are the most common problems with the Chevy 454 Vortec? Is it not the same motor from 96 to 2001. Full Forum Listing. The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. Yes, we can tune your L21 for similar gains as with the L29. If you are wanting to keep the truck otherwise stock, the tuning would be your best upgrade to boost the performance and it would definitely help the low end where you are wanting it to. 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). Jump to Latest Follow . The truck does not need to be emissions compliant.
Chevy 8.1 Vortec Ultimate Engine Guide - Specs, Performance, Problems Bosch p/n: 0280155884. 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 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. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. A cold air induction setup will feed the engine cooler and more oxygen-dense air. Since the cat removal shift points have been wonky. Reference core exchange, what is the time limit for you to receive the exchange? Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. I bought this truck brand new. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. Also I have Thorley tri Y hearers on mine will that effect the tune? 2. Does this computer hav egr delete programmed into it. Cost would be $495. Fuel pump doesn't run. The Vortec 454 was touted as having substantially more power. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. My next upgrade is going to be exhaust. Best, least expensive way to get more power out of this engine is with our custom tune. 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. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. 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. 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. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. 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. Any thoughts from you technical guys? I won't change the exhaust or add a ring eating K&N. It would be a good idea to re-tune for the Banks and injection systems.
How to Make a Chevy 454 Vortec More Efficient | It Still Runs 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 It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? Is there any way I could send you that one as a core in return for one to work in my 2000? The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. I'm saving up for the banks power pack system. This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". Check out their web sight Bankspower.com 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. It is located on top of the radiator support and has 4 connectors going into the back of it. And a k and n filter. Yes, we can resolve your issues. Engine is in stock configuration with no upgrades. 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 Install a high flow air filter and cold air induction intake. my old part number on ecm is 16263494 on 1999 454. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. We gain on average 45-50 horsepower and 50 ft. lb. You are using an out of date browser. It can be done fairly cheap , power for days and 15-20mpg, I repeat. Truck is stock otherwise and runs good just looking for more out of it. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com We can do the tune now with the Banks kit taken into consideration for down the road. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. Turn around time is 1-2 business days. is this unit ready for plug and play. How much will the customization cost me? 1996 c3500 dually 7.4 with 5 speed. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! The heads, pistons, and intake are stock.
Chevy 454 Rebuild Kits for Complete Street Performance! For a plain jane Sierra, not bad in my opinion. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. 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. The engine displacement in liters is 7400, which is readily changed to 7.4 liters. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. Most generic tuners only change very basic parameters within the computer, whereas UltraPower Tuning changes approximately 400 parameters including both engine AND transmission settings. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. 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. It is bone stock except for tow mirrors and Kodiak door handles on all 4. Don't know how tuning would work. 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. 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.
Install Glooko Uploader,
How Many Mps Have Shares In Astrazeneca,
Articles OTHER