The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. 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. 4.56 might be abit tall. The engine receives cooler, more oxygen-dense air through a chilly air induction system. 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. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. Without going into the engine, they make a supercharger kit for it, I know whipple use to. We can also take care of the TQ management for you. Weve seen a few 1996-1997 PCMs with this issue. I've made several performance upgrades myself, but are always looking for something better. 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. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. 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 Straight Port Cylinder Heads 6. Do you have any videos of how to locate and remove my ECM? I have the parts list and see one item called 01-412-8 hyd roller cam for $315. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Only a set of dyno headers and an electric water pump were different. Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. I THINK I want a diesel until I look at the prices. 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. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. Apr 14, 2016. Truck runs great doesnt miss or anything just seems to not really have any power at all in 1st gear and alittle more in second gear. 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. 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. Free shipping for many products! 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 Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. O-rings: Top and bottom, 14.5 mm - Viton. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. It won't hurt anything to run like that. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. To allow the motor to rev cleanly to 6,000 rpm under boost, the cam upgrade was teamed with a new set of beehive valve springs. I have a 2000 GMC school bus with the L21 7400 motor. The Vortec 8100 (RPO L18) is a V8 truck engine. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. It will not void your factory warranty, and does not modify any emissions systems. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. A stock 12v ain't got **** on a BBC. This camshaft provides more lift and longer duration using the 10-12 Manifold vacuum. Steel Camshaft 4. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. If you send your ECM in, we can make the necessary adjustments you are requesting. We have no issues with tuning a higher mileage engine as long as it is in good running condition. Do you have identifying marks on the ECU? Can you reprogram and net me the same HP & TQ numbers as the L29? 3. Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. We don't however specialize in forced induction applications so we would not be able to help you with that. The batteries are fully charged and there is 12 volts to the distributor. Also how much benefit do you think I would gain by going aftermarket catback exhaust. Just worth mentioning. Great motor and runs strong with gobs of TQ. I am ready to pull the trigger if I continue to run 87 octane fuel. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. Only a set of dyno headers and an electric water pump were different. . 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. Yes, we can do that. There is a small red wire that has never been connected to anything. How much can you get them for? The air filter is easily removed, cleaned, and reused. Wiring is the same. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. 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 The old, weak 240 HP 454 is every bit as. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. It is quite a noticeable difference! I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. I have the 411. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! The bill: $3,699.96 for all but the carb. Free shipping. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. If you want to send your PCM in that you know is functional, that is the best way to do it. The main improvements will be improved shifting and overall more torque to pull hills. Now, that poses the question: what would you shoehorn this big-block Chevy into? In 2001, production of the 7400 line was discontinued. We are currently waiting on more ECM's to come in to be able to provide them on exchange. Please see our shipping terms for more information. It will be plug and play. We set all the parameters in the PCM, so you will not have a way to make adjustments on your end. Will the UltraPower tune, give me the "best bang for my buck" performance increase? 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). After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. At times I get a dtc for bank 1 and 2 too rich. 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. And performance tune? Well, they can be had stupidly cheap, not counting the extra work it takes to remove the engine and then dispose of the lifeless RV. At this point the engine run well, with no code problems. 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". merci. Yes our tuning does work for trucks as well. Thanks. 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. Jump to Latest Follow . 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? All rights reserved. Or is it what get is all you get? 454 L29 Power Upgrade. 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 . $399.99. In the end, we selected a 1999 Gen VI 454 and pulled it from its home in the engine bay of a 1-ton work truck. As you can tell, it doesn't deliver much. 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. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. I have been watching lots of posts and things get carried away very quickly about getting big big hp. You will gain approximately 35-40 horsepower and 45 lb-ft torque. 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). 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. 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. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. 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. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. 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! 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'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. I have a vortec454 in a non smog az tow vehicle. I have a 2000 OBS Chevy quad cab with a 454 Vortec. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. A cold air induction setup will feed the engine cooler and more oxygen-dense air. 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. The Vortec 454 was touted as having substantially more power. 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. Oxygen sensor modifications can be done. im wanting /needing power and torque. 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. Any thoughts from you technical guys? Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. 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 $. We removed the factory EFI injection, and replaced it with simple carburetion. How To Add 70 Percent More Power to A Chevy 454 V-8. For GM vehicles, the Vortec variant increased power by 60 horses. Headers exhaust. 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. Also how much horse power and torque do these motors have stock? For more information, visit www.P65Warnings.ca.gov, NOTICE: Fororders outside of United States. 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. This mod will not be inexpensive or simple to execute, but it will pay for itself if you do a lot of towing or drive a lot of miles. $360.56. no. vortechsuperchargers.com. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts at Competition Products! I would like to get the o2 delete. In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. They seem to be similar to those used in your RV work. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. However, Chevy still offers the 454 big block V8 as a crate engine. Your email address will not be published. That just won't do. If not can a non uhaul ecm be used (ie plugged into the current harness)? 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. as much as possible im going to do a cam exhaust and injectors and intake so my questions are what do you think my gain would be with your pcm and can it be piggy backed with a plug in tuner thanks matt, would i be able to get a retune if i add a cam after, and what is the turn around time, thanks. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. . It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . 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. high flow intake elbow, filter and MAF 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). 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! You can pretty easily get 400+ horses out of that thing and it be streetable. That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. I will be sending you my ECU. See listing details. Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score Best, least expensive way to get more power out of this engine is with our custom tune. I straight wired it to test it and it will run. Could you do a downstream 02 sensor delete? Topping the engine is a borrowed four-barrel Holley XP carburetor. I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. My car is GMC pick-up 7.4L 1998. it is manual transmission. Buy in monthly payments with Affirm on orders over $50. Yes, we can tune your L21 for similar gains as with the L29. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. The guys over at Hot Rod magazine wanted to prove its possible to make big horsepower from a Chevrolet big-block V-8 lifted from a junk1986 motorhome. Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. We have been doing them on a limited basis, it has been very challenging to find good cores to use. Precision Auto Injectors Set of 8 Genuine OEM 1996-2000 GMC Chevy 7.4L 454CID Vortec Rochester Fuel Injectors. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. If it does work what would do for pulling and climbing hills? Is this doable? These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. Can i tell if my RV has this already? Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! This is a crew cab, 8 foot bed. 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. I don't drive the truck daily so could send my ECM to you for tuning My question is would this eliminate the SES light for the cats P0430/20 and air pump ?? We can tune stock or modified, not a problem. Is there a way you could tune that out completely or as much out as you possibly can? m) at 3200 rpm. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. 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. Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. Bosch p/n: 0280155884. 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?
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454 vortec performance upgrades