Boneyard Boost: Vortech 454 - Street Muscle The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. I do still have all the O2 sensors but would like to delete them if possible. 496 cubic inches. With the shut downs due to the virus, our normal service company that does that for us is closed. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! 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. Will this correct my RPM gauge issue? We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. 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. They also installed roller lifters, heavy springs and chain/gears. Here is info from COMP Cams. We use cookies to ensure that we give you the best experience on our website. Free shipping for many products! Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. Change to a synthetic oil that is light-weight. . How to Make a Chevy 454 Vortec More Efficient | It Still Runs Hello! We would reprogram yours and put it in a new case so it looks nice! Our typical turn around time is 2-3 business days. I would like the biggest bang for the $. I am doing a full engine swap from a damaged motorhome to my older motorhome. Budget Vortec Head Upgrade: Easy, Money-Saving Benchtop Mods Heads, intake and headers would definitely wake it up. Install an aftermarket windage tray in your engine. 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. Yes, we can tune your ECM. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. no. Pindar 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 Richard Rowe has been writing professionally since 2007, specializing in automotive topics. The stock Vortec iron head will not tolerate more than .440-inch lift. Et si je devrai faire recalibrer mon ecm? 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. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. Great motor and runs strong with gobs of TQ. 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 Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. Can I reprogram on the fly as conditions change and performance needs warrant a change?? 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 $. 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. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". We set it for the best performance in all conditions, it is not user adjustable. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. Another popular upgrade is changing to Bosch 4 hole injectors. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. Banks iDash: SuperGauge & DataMonster. Does this upgrade have a negative or positive impact on engine life? Really? Programmers. The old, weak 240 HP 454 is every bit as. I straight wired it to test it and it will run. I have a uhaul topkick with the 7.4. This combined with the internal step gearing and maximum engine speed of 6,000 rpm to produce a peak impeller speed of 51,700 rpm, well below the listed maximum of 65,000 rpm. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. The heads, pistons, and intake are stock. Before adding boost, the boneyard big block was run in normally aspirated trim and produced 427 hp at 5,500 rpm and 476 lb-ft of torque at 3,900 rpm. If I order a ecm reprogram will this fix my speedometer error too?? Gasoline engines do not require different settings for different conditions like a diesel engine does. At this point the engine run well, with no code problems. 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. Install a high-flow air filter and a cold air intake. Do you still tune the 96 ecm? I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. UltraPower GM / Workhorse 7.4L (454) Custom Tuning - Ultra RV Products Explore Our Forums. The GM 7.4L UltraPower ECM has long been the ultimate performance modification you can make to your GM 7.4L powered RV or truck with the highest power gains on the market! We are currently out of clean/painted cases for the PCM's. The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. The Vortec 8100 (RPO L18) is a V8 truck engine. When you purchase, just let us know any modifications or requests and we can accomodate. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. Dont buy a camshaft because someone claims its fantastic; instead, purchase one because you know it will fit your vehicle and give you the performance look you desire. 454 L29 Vortec Engine Performance | Team Chevelle These 454 7.4L engines tend to respond pretty well to camshaft changes with good grinds that are designed to produce low and mid-range rpm torque increases. Fortec4x4 Jeep Customizing - FORTEC4x4 Cost would be $495. A cold air induction setup will feed the engine cooler and more oxygen-dense air. It will not void your factory warranty, and does not modify any emissions systems. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. It is an all-iron engine (block and heads . Since the cat removal shift points have been wonky. 5. The batteries are fully charged and there is 12 volts to the distributor. $119.95. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. It would be a good idea to re-tune for the Banks and injection systems. There was plenty of power left in the YSI, but at 847 hp we couldnt help but be amazed at the extra strength GM put into the design of their 290-hp big block. I have a 1996 C3500 crew cab dually with a 7.4. If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? I replaced the relay to no avail. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. At times I get a dtc for bank 1 and 2 too rich. The tune will definitely wake the truck up. So if I have your tune done what is the turn around time sending my PCM to you? It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. If you can find this PCM in a salvage yard or from a different type of vehicle that uses the same, we can likely program it to your vehicle for you. 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It is located on top of the radiator support and has 4 connectors going into the back of it. Apr 10, 2008 #5 M MyBoTy Veteran Member After selecting a motor, we set about making the necessary changes for our test. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS Step 2 Install a high flow air filter and cold air induction intake. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. We only specialize in the big block engines. They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements. Our tuning is based off of extensive dyno testing of RV's, and while results may vary, our gains are generally higher than others due to our expertise in the tuning of the L29 7.4L. That is the difference between cookie-cutter and custom! It was also noted to have more power for gasoline engines. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. Purchase a Chevy 454 crate engine online from JEGS High Performance. O-rings: Top and bottom, 14.5 mm - Viton. It was bone stock 2x4 extended cab dually. Also how much benefit do you think I would gain by going aftermarket catback exhaust. The Vortec 454 was touted as having substantially more power. 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. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. Always a big complaint with 454 TBI trucks. Body Diameter: 16 mm. 1999 vortec 454 7.4 - HPTuners Check for Availability: $349.95. If I send yall Parts list of what kind of cam, injectors, pistons, etc. 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. We have been doing them on a limited basis, it has been very challenging to find good cores to use. 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. Is there anything to be gained within my parameters? 3. 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. If you had the proper tuning software, you could tune it yourself later. I want to install a cam while you have the ECU. Later i want to install the banks PPB 49070 package on this motorhome next year. You are using an out of date browser. 454 L29 Power Upgrade. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. Is it actually running at that RPM or just showing that? However, Chevy still offers the 454 big block V8 as a crate engine. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. 2023 Power Automedia. We can tune the 2000 ECM for that engine and I'm pretty sure the ignition harness on that vehicle has no tie in with the ECM. 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. 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. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . The heads used on the L29 combined the large oval intake ports with small (100 cc) combustion chambers to produce a slightly higher (than the Gen V) 9.0:1 compression. The Muscle Automobile Period had come and gone before the 7400 series debuted. Stage 1 Upgrade for Mercury 525 EFI. We use the original black box PCM's. We also took the liberty of installing a Race-Port blow-off valve from Turbo Smart. 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. You can source the 454 HO directly from Chevrolet. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? I have a 2000 3500 454. 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. Any thoughts from you technical guys? 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? Unfortunately this is not something that we offer. I've made several performance upgrades myself, but are always looking for something better. 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. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. 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. I recently ordered an ecm for a 7.4 vortec and was very impressed. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. If not can a non uhaul ecm be used (ie plugged into the current harness)? Any "recalibration" would require sending your ECM to us for programming changes. Topping the engine is a borrowed four-barrel Holley XP carburetor. 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. 7.4 Vortec Vehicles Applications The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: Need advice: 454 VI L29 Build | Hot Rod Forum 1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers I have a 98 C-3500 dually with a Vortec 454. 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). 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. With the baby stock cam they made 290hp and 415 ft lbs of torque. 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. 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. But don't despair. Dedicated to making your Chevy Truck bad***. Hello I have 2000 GMC k3500 Truck. 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. (454 used only MAP) 2. 454 vortec or 8.1 swap? | Chevy Impala SS Forum cam with matching torque converter and headers would be easy. 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. m) at 3200 rpm. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. We do not go further back than 1996 (OBD2) modules, sorry. We gain on average 45-50 horsepower and 50 ft. lb. 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. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. Also the torque management. From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. $360.56. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. Switch to a lightweight synthetic oil. Pace Performance Products in Ohio put together a decent upgrade. 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 At the relay the Orange wire is hot with 12 volts continually. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. All rights reserved. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. I heard these trucks have a torque management system does this computer give my truck back all its power? 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". Can i tell if my RV has this already? Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com That just won't do. Hardin Marine - EFI Upgrade Kits He eventually figured it out. I have a vortec454 in a non smog az tow vehicle. I would think that u-haul did not use their own ECM. We are unaware of any cam upgrades specifically for the L21. $399.99. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. Whether the kit is intended for stock replacement or racing, various levels of compression will allow for improved performance with emphasis on top-end power and high RPM. We do not have a hard and fast rule on core returns for the UltraPower programming ECM's as long as it is in reason. We will safeguard your e-mail and only send content you request. . 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. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . 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. Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. 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. Naturally, the truck-based 454s. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. Hot Rod And remember, thats all without touching the bottom end. Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. 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. My question is what cam you would recommend for towing? The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. Steel Camshaft 4. will your new part ecm work on this motorhome. is this unit ready for plug and play. 7.4 chevy engine in georgia boy pursuit motorhome. 7.4 Vortec Performance Upgrades - BOOST YOUR ENGINE That represents a 70-percent increase in horsepower. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. do you think I could get more power with your ecm re-program? To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. If you don't mind a "dirty" PCM case then we can take care of an order for you. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. Thank you. Seems like it's lacking power towing my boat. Just worth mentioning. 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. Thanks. Recommended 454 TBI modifications | TBI - harristuning.com Thanks. Chevy 454 Rebuild Kits for Complete Street Performance! It is bone stock except for tow mirrors and Kodiak door handles on all 4. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. The 1993-or-so design FEAD has been shown the clear the factory hood. Wiring is the same. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. If product is incorrect for the provided VIN we will contact you to revise order. Could you do a downstream 02 sensor delete? JavaScript is disabled. Only a set of dyno headers and an electric water pump were different. Check if this part fits . Best, least expensive way to get more power out of this engine is with our custom tune. Would the retuned ECM provide any performance gains above what are present now? It is unlikely that the Vortec 454 accessories will clear the hood. 1999 Crew cab dually, 454 vortec, AUTOMATIC. 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!). In 2001, production of the 7400 line was discontinued. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! Find many great new & used options and get the best deals for BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD at the best online prices at eBay! 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 .