5. We will set the tune up based on your modifications and requests. Engine is in stock configuration with no upgrades. How To Add 70 Percent More Power to A Chevy 454 V-8. Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? Very interested in this. I have a vortec454 in a non smog az tow vehicle. 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. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. This is only 1 of the many changes that we make with our programming to achieve great power gains. I'm sure there are other differences that would need to be addressed but you should still be able to re-use the original key and ignition harness. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. . Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. Can i tell if my RV has this already? Top 4 Best Cam For Stock 454 Big Block Review - Tools BIble I heard these trucks have a torque management system does this computer give my truck back all its power? New 2-Piece Intake Manifold w/Long Intake Runners 7. 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? no. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. Your vehicle is not compatible. 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. Without going into the engine, they make a supercharger kit for it, I know whipple use to. 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. high flow intake elbow, filter and MAF Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. Reference core exchange, what is the time limit for you to receive the exchange? performance, modifications, classifieds, troubleshooting, maintenance, and more! Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. Body Diameter: 16 mm. This ignition system upgrade will allow you to set your distributor for a little more timing advance. I have a 2000 7.4 with a bigger cam cold air kit dual exhaust better mass air flow senser and roller tip rockers can u tune that as well or do you just do stock stuff, I have a 99 k 3500 Chevy 1 ton with 454 5 speed.will your computer tune work in my truck and can I expect 40+hp gain? If you had the proper tuning software, you could tune it yourself later. Chevy 8.1 Vortec Ultimate Engine Guide - Specs, Performance, Problems Jump to Latest Follow . The batteries are fully charged and there is 12 volts to the distributor. Can I reprogram on the fly as conditions change and performance needs warrant a change?? It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. 3. The stock injectors are fine for our performance tuning. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. I'm interested in the available upgrades for the vortec 454. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? 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. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. Just wondering because Id buy one of those as well. In 2001, production of the 7400 line was discontinued. Also, is shipping included both ways? If product is incorrect for the provided VIN we will contact you to revise order. The main improvements will be improved shifting and overall more torque to pull hills. Check if this part fits . Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com We can also adjust your speedometer to be correct. I THINK I want a diesel until I look at the prices. m) at 3200 rpm. 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. The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. You might be able to run an L29 cam, but you will need to consult an engine builder. 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires (1996-2000). Anything that will help the performance. The Vortec 8100 (RPO L18) is a V8 truck engine. This upgrade will not only improve overall top end power but it also . It is not 4x4. 1996 c3500 dually 7.4 with 5 speed. I bought this truck brand new. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. 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 was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. L29 454 Vortec | Team Chevelle 2. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. Just make sure to include that information in the order comments and we can make that happen for you :). 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. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. Your email address will not be published. GAS MILEAGE. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS 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. No videos but your ECM is fairly easy to identify and replace. That is the difference between cookie-cutter and custom! Is it actually running at that RPM or just showing that? Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Unfortunately this is not something that we offer. Bosch p/n: 0280155884. 1999 vortec 454 7.4 - HPTuners It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. I have a 1996 C3500 crew cab dually with a 7.4. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Oxygen sensor modifications can be done. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. I have a 1999 3500 Chevy crew cab with the 7.4l 454 Ive got Gibson headers true dual exhaust with flow masters no cats. Is there any way I could send you that one as a core in return for one to work in my 2000? All fuel injector specifications meet or exceed the manufacturer's specification standard. I am certain we can get more power and overall better drivability with our tuning versus your current setup. Best of all, this engine will make that power all day long without the threat of grenading under the stress of a turbo or supercharger. 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. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. The stock Vortec iron head will not tolerate more than .440-inch lift. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. 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. However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. 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 That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. Stronger shift points for towing and power. will i notice anything? Normally, advancing the distributor would increase octane sensitivity and possibly fuel economy, but the upgraded ignition system will allow you to do so without adversely affecting fuel burn or horsepower. Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! Need advice: 454 VI L29 Build | Hot Rod Forum The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. Any "recalibration" would require sending your ECM to us for programming changes. 454 vortec or 8.1 swap? | Chevy Impala SS Forum So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. We can easily do this with the specs you provide. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. Please see our shipping terms for more information. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. Chevy Engine Kit - Chevy Stroker Kit, 454 Big Block, 454, 496 - Coast High I won't change the exhaust or add a ring eating K&N. Performance. As long as the engine is well maintained, reliability is not affected. 7.4 and 8.1 vortec hp and tq ratings | Diesel Place A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? The heads, pistons, and intake are stock. Naturally, the truck-based 454s. At times I get a dtc for bank 1 and 2 too rich. Dedicated to making your Chevy Truck bad***. 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. The state of California requires that this warning be posted for people purchasing products that reside in California. $399.99. JavaScript is disabled. If you would like to place your order feel free to give me a call at 800-417-4559. 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. My car is GMC pick-up 7.4L 1998. it is manual transmission. I think they were made before Chevy started using real tornados. merci. We only specialize in the big block engines. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. This engine has two valves per cylinder and features multi-port fuel injection. You will gain approximately 35-40 horsepower and 45 lb-ft torque. We set it for the best performance in all conditions, it is not user adjustable. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. A stock 12v ain't got **** on a BBC. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. And what is the final cost of your ECM. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. I sprayed starter fluid in the tbi and it fired up for a few second. Yes, all gains listed are with 87 octane gas. It can be done fairly cheap , power for days and 15-20mpg, I repeat. Also the torque management. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. Gasoline engines do not require different settings for different conditions like a diesel engine does. 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. The Vortec 454 was touted as having substantially more power. Would you be able to tune this on a new computer so I can keep the original? Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. Free shipping for many products! Is this doable? Would we still get the good price when you get more control modules in stock? Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. I've made several performance upgrades myself, but are always looking for something better. Yes, we can resolve your issues. How to Make Power with a Chevy TBI V-8 - MotorTrend 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. 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. For this one, I would want you to send your PCM into us to be done. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. Check if this part fits . Precision Auto Injectors Genuine Delphi 12568155 12586557 GM Fuel Injectors Set of 6 2004-2007 GM 3.5L OHV. When reliability and performance can't be compromised, you want TXL Wire - not the inexpensive primary wire you find in other harnesses; High strand count copper and high-quality insulation makes for high abrasion resistance and easy routing. Roller Lifters 5. Inexpensive and fairly easy to install, a windage tray will help to keep oil in the sump where it's supposed to be and can even help to extend bearing life by keeping the rotating assembly in balance. 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. Great motor and runs strong with gobs of TQ. What sets us apart from the others? I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. Chevy 5.7 Vortec Engine Performance Upgrades I have a few questions so bear with me here. Weve seen a few 1996-1997 PCMs with this issue. Thank you. Injector type: US-CAR, saturated. Some differences are: 1. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. If you don't mind a "dirty" PCM case then we can take care of an order for you. better yet have it tuned (Brian Bosch I believe is the man to talk to about . You would see a nice gain in power, on your 1997 we generally pick up about 30 horsepower and 35 lb-ft torque. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. Chevrolet Performance's 454 HO crate engine is a Big-Block bargain - an affordable engine with performance specs that will make you think it's 1970 all over again. It was bone stock 2x4 extended cab dually. I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. Hi Warren, that is definitely something we can tune for. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. Most ordersare shippedwithin 24 hours from the order date. the Vortec 7400 (454) that came in that suburban is one hell of an engine, there are also many things you can do to get more mileage and power out of it. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Cost is $395 plus a $175 core charge which is refundable. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. The bill: $3,699.96 for all but the carb. 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. It will not void your factory warranty, and does not modify any emissions systems. He eventually figured it out. Set of 8 1996 - 2000 GMC Chevy 7.4L 454cid Vortec Bosch 4 Hole Upgrade 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". Yes, we can tune your engine for more power, doesn't matter what type of transmission. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. Check back with us as we plan on adding a set of Brodix Race Rite aluminum heads to the mix in Part 2 of Project Boneyard Boost. Can you tune my new 2000 ECM and will it work without the original key and ignition harness. The 7.4L was originally offered in three versions: the LS5, LS6, and LS7 (which was never offered as a factory option to the general public). We have been doing them on a limited basis, it has been very challenging to find good cores to use. Windage trays are thin, sheet metal plates that fit over the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights. vortechsuperchargers.com. I recently ordered an ecm for a 7.4 vortec and was very impressed.
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