You can pretty easily get 400+ horses out of that thing and it be streetable. How much will the customization cost me? 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. 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. Roller Cam, .483 Lift . This thing is weak as water. Reference core exchange, what is the time limit for you to receive the exchange? 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 Buy in monthly payments with Affirm on orders over $50. Yes it would, the Banks PowerPack is helping the engine breathe better but the computer is not doing anything to take full advantage of it. We can do the tune now with the Banks kit taken into consideration for down the road. I am doing a full engine swap from a damaged motorhome to my older motorhome. 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. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. Is the Vehicle Control Module an ECM by another name? I would think that u-haul did not use their own ECM. I use the truck for towing and it is quite weak, If this ecm has to be reprogrammed in the future do I go to GM Dealer or have to send back to you?? We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. . Would the retuned ECM provide any performance gains above what are present now? Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. 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? Probably cause no cats. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. I have a 2000 3500 454. Makes NO permanent changes to your vehicle's computer! Topping the engine is a borrowed four-barrel Holley XP carburetor. BBK Power Plus 80 millimeter Throttle Body for GM Vortech 305/350/454 for all BBK 1996-1999 GM Vortec 305, 350, 454 throttle bodies are designed to increase airflow and improve horsepower from between 7-12 HP depending on the vehicle and . They seem to be similar to those used in your RV work. No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! I have a 2000 C3500 with the 454/L29 and auto trans. Without going into the engine, they make a supercharger kit for it, I know whipple use to. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. I would like to get the o2 delete. Reading some of your responses I came across one with regards to a 1996. As long as the engine is well maintained, reliability is not affected. Hi Warren, that is definitely something we can tune for. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. Vortech Superchargers I think they were made before Chevy started using real tornados. I read in earlier questions asked that you had stopped doing the earlier ones. Yes, this would be the compatible ECM with your VIN and part #. The Gray, the green with white strip and the black test grounded. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. 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. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. We can easily do this with the specs you provide. For a plain jane Sierra, not bad in my opinion. Can you tune my new 2000 ECM and will it work without the original key and ignition harness. 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. 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. Use for stock replacement OEM original equipment. Seems like it's lacking power towing my boat. 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. I just put the k&N system on my truck made a huge difference in sound and performance I would deffanitly recomend spending the $250. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. I have a 1999 Fleetwood Flair with a 7.4 Workhorse. The 7400 was essentially the same big block 454 that carried Chevy through the muscle car years, but a hydraulic roller camshaft and revised cylinder heads helped to make it far more efficient than the old LS6 could ever dream of being. I sprayed starter fluid in the tbi and it fired up for a few second. What sets us apart from the others? Please see our shipping terms for more information. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. Thanks to a maximum impeller speed of 65,000 rpm (racers go even higher) and a peak efficiency rating of 78%, the Vortech YSI was capable of supporting over 1,200 hp at 30 psi. Headers suggested. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. 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 The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. Check for Availability: $349.95. Install a high-flow air filter and a cold air intake. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com All rights reserved. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: 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. Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your vehicle by safely optimizing your air/fuel ratio and timing curve for increased efficiency! If you send your ECM in, we can make the necessary adjustments you are requesting. Free shipping. If you would like to place your order feel free to give me a call at 800-417-4559. The only weak link is the peanut port factory heads and the sprinkler style fuel injection. And performance tune? Once the order is placed and you have paid for a core, we will program a PCM here and ship it with a return shipping label for your core. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? Oxygen sensor modifications can be done. Is it worth tuning a black box or worth changing to 411, I have headers ,cat delete, 19.5 five 0 injectors, and Pulling cam swap. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. Rowe studied engineering, philosophy and American literature at Central Florida Community College. Or if I pay to send in, is the return shipping included in the $495? Yes, we tune for 87 octane unless a higher octane is requested. Steel Camshaft 4. Switched to Mass-Air Flow. When it shows 55 MPH your actually going about 57 to 58 MPH. 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. That model of 454 is alot diffrent then gen 1..It wont take a normal cam and theres some other diffrences that kinda limit what can be done to it.im sure someone will chime in with specifics Yes, it's a OE roller camshaft block and 1 piece gasket crank. It is not 4x4. FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. 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. We don't however specialize in forced induction applications so we would not be able to help you with that. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. Would this work on 1996 7.4L L29? Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. Explore Our Forums. You can source the 454 HO directly from Chevrolet. . Are there any gains to be had by programing and adding headers to my truck? I've noticed a significant performance uptick, but it seems to fall flat in the upper mid-range, almost seems like it could use a MSD multi spark discharge, I don't know, but I'm considering having a dyno test to see what is happening. These Chevy 454 Vortec engines made 290 horsepower and 410 lb-ft. Chevy 454 HO Crate Engine Vortec 7400 engines were the final version of the 454 used in production vehicles or trucks. Buy your K&N PF-1000 Fuel Filter at Amazon! Can you guys tune that ecm? Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! Anything that will help the performance. Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. If I order a ecm reprogram will this fix my speedometer error too?? It will not void your factory warranty, and does not modify any emissions systems. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* I have a uhaul topkick with the 7.4. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. 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. Will the UltraPower tune, give me the "best bang for my buck" performance increase? Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. and will it improve my over all power? $119.95. Pindar I am ready to pull the trigger if I continue to run 87 octane fuel. I have a 1996 C3500 crew cab dually with a 7.4. My question is you claim 40-55 hp gain on the 7.4l , and all the other tuners on the internet only claim 20-25hp gain, will I really see 40-55hp gain with stock engine, exhaust, and air filter? I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. We gain on average 45-50 horsepower and 50 ft. lb. In 2001, production of the 7400 line was discontinued. At this point the engine run well, with no code problems. We can adjust for speedometer error. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. A cold air induction setup will feed the engine cooler and more oxygen-dense air. 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. Body Diameter: 16 mm. 1996 c3500 dually 7.4 with 5 speed. My car is GMC pick-up 7.4L 1998. it is manual transmission. 5. 2019 Rodney W. Brazel Inc. - Ultra RV Products is a Division of Brazel's RV Performance, UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning, within 24 hours from the order date. It was also noted to have more power for gasoline engines. Nothing I was finding really listed ACTUAL upgrades. Full Forum Listing. My question is that I have a 1998 7.4 parts truck. Thanks. 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 $. Performance. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. 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. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidays, If you will be sending us your ECM for reprogram you will need to select "Remove Core Charge". Thanks. Edlebrok performance heads with factory Combustion chamber size 100-110cc, valves set for .700 lift, I-2.190 E-1.880, 3/8" guideplates : http://www.summitracing.com/parts/EDL-60499/ GM Vortec EGR blockoff plate p/n is 12554606. 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. This 1-ton dually truck is used for hauling a large slide in camper and atv trailer. Straight Port Cylinder Heads 6. Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. He eventually figured it out. Install an aftermarket windage tray in your engine. Can I reprogram on the fly as conditions change and performance needs warrant a change?? See listing details. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. Is it not the same motor from 96 to 2001. Switch to a lightweight synthetic oil. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. All above engines equipped wit Hydraulic Roller Lifters. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. I am certain we can get more power and overall better drivability with our tuning versus your current setup. . We appreciate it but we only specialize in the big block engines. Reasons to buy: It is bone stock except for tow mirrors and Kodiak door handles on all 4. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. The 7.4 Vortec was essentially the same big block 454 that Chevrolet used to power its muscle cars, but it gained a hydraulic roller camshaft and improved cylinder heads to make it considerably more efficient than the old LS6 could ever hope for. Its amazing what some bolt-on parts can do! Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? The Chevrolet 454 was phased out in most passenger vehicles by 1975, but it remained a viable power plant in heavy-duty Chevrolets until 1996. 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. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. 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). 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I have a 2000 gmc k2500 with the l29 454. The tire are one size larger than stock to the speedometer is off a little. I'm interested in the available upgrades for the vortec 454. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. Although Chevrolet doesn't specifically recommend it for this engine, the extreme slipperiness of a full synthetic will allow you to run a thinner weight oil without worrying about undue engine wear. 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 Any thoughts from you technical guys? Short tube headers won't do anything for you but long tube headers would he beneficial. Step 2 Install a high flow air filter and cold air induction intake. 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. Only a set of dyno headers and an electric water pump were different. Thanks. I fought this truck with the cats deleted and air pump disabled. How To Add 70 Percent More Power to A Chevy 454 V-8. 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. Does this computer hav egr delete programmed into it. Also I have Thorley tri Y hearers on mine will that effect the tune? Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. If you want to send your PCM in that you know is functional, that is the best way to do it. But like any stock engine, there was tons of power left to be squeezed out. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. merci. 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. Dollar for Dollar, it is highly unlikely that the $2400 for a full blown Banks Power Package would yield the same cost/benefit as say the addition of the UltraPower GM / Workhorse 7.4L (454) Custom Tuning module. For GM vehicles, the Vortec variant increased power by 60 horses. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. 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 was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. It wasnt the best moment to put out a big cubic inch big block designed for performance vehicles, but the Chevy 454 made an impact. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. Maybe I need to go by the dealer and test drive a diesel or another gasser so I have a comparison. Stronger shift points for towing and power. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. Yes, we can do that. 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. There is a small red wire that has never been connected to anything. Gains with the modifications you have done would be around 45 HP/ 45 TQ. I know they were installed in trucks from 96- 00?. We only specialize in the big block engines. The cooler charge air (plus tubing length and bends) dropped the peak boost pressure from 19.1 psi down to 17.7 psi. 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. 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 No videos but your ECM is fairly easy to identify and replace. With the shut downs due to the virus, our normal service company that does that for us is closed. 12568774 438 HP @5300 RPM 500 LB/FT @3500 RPM 1 2 Updated Design The 454 HO features an all-forged rotating assembly for great strength and durability. You might be able to run an L29 cam, but you will need to consult an engine builder. Whats the stock numbers on a Vortec 454? Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. If they were cheap enough, sure. They said they no longer support my RV and had no parts available. 1997 gmc 3500 cc dually. 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. Can I tune it myself later with my own tuner or is it still a black box like the oem? You can expect about 40-45 horsepower and 45-50 lb-ft torque increase with much better throttle response, crisp shifts and there is a reduction in the "TQ Management". We use cookies to ensure that we give you the best experience on our website. As long as you don't have any emission systems removed, you will pass without any issues. 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. We use the original black box PCM's. 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. It is an all-iron engine (block and heads . These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. If it does work what would do for pulling and climbing hills? So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. Hello I have 2000 GMC k3500 Truck. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. Et si je devrai faire recalibrer mon ecm? These fit: 1966-1998 Chevrolet & GMC 6.0L, 1970-2000 Chevrolet, GMC, Pontiac & Mercruiser Marine 7.4L 454, 2001-2009 Chevrolet & GMC 8.1L , Also fits Mercury Marine Big Block 7.4L, 8.1L & 8.2L Engines. 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).
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