I won't change the exhaust or add a ring eating K&N. 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. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. Is the Vehicle Control Module an ECM by another name? 1999 Crew cab dually, 454 vortec, AUTOMATIC. The tune will definitely wake the truck up. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. 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 ?? Vortech supplied a pulley combination that included an 80-tooth crank pulley and 32-tooth blower pulley which provided a drive ratio of 2.5:1. I wouldn't mind an EGR delete for the part throttle improvement and a cleaner intake, but mostly I would like to keep everything else functioning, I am looking for more torque below 3,000 rpms, ideally in the 1500-2500 range, because almost all of my driving is in that range. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. You would see a nice gain in power, on your 1997 we generally pick up about 30 horsepower and 35 lb-ft torque. We don't however specialize in forced induction applications so we would not be able to help you with that. However, this engine was intended to provide significant towing power for CAFE-exempt vehicles, so there is still room for improvement. I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. performance, modifications, classifieds, troubleshooting, maintenance, and more! Purchase a Chevy 454 crate engine online from JEGS High Performance. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. 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. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. It is unlikely that the Vortec 454 accessories will clear the hood. 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. im wanting /needing power and torque. 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 greater the power gains, the bigger the budget. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . 5. Check if this part fits . The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! 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. I called Banks Power last week to try and find out what they recommend. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. 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. It is quite a noticeable difference! We will safeguard your e-mail and only send content you request. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. 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. 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? Gasoline engines do not require different settings for different conditions like a diesel engine does. I have a 1999 Fleetwood Flair with a 7.4 Workhorse. 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. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. Just make sure to include that information in the order comments and we can make that happen for you :). That is the difference between cookie-cutter and custom! I have a 2000 OBS Chevy quad cab with a 454 Vortec. 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!). Why a motorhome? In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. 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. I have a 2000 3500 454. 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. 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. 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. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. 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. How much can you get them for? Roller Cam, .483 Lift . This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. I am considering your tune for my motorhome. I sprayed starter fluid in the tbi and it fired up for a few second. All fuel injector specifications meet or exceed the manufacturer's specification standard. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. Buy your Innovative Performance Chip/Power Programmer at Amazon! I have a 2000 gmc k2500 with the l29 454. 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? 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. They also installed roller lifters, heavy springs and chain/gears. Is it not the same motor from 96 to 2001. Without going into the engine, they make a supercharger kit for it, I know whipple use to. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. The ignition timing was dropped to 21 degrees and after adding a few jets to the carburetor, we were rewarded with some serious power. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. As long as the engine is well maintained, reliability is not affected. I have had a hard time finding much of anything for these engines. How to Get More Horsepower From a 360 dragster engine image by Robert Young from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media. It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. The engine displacement in liters is 7400, which is readily changed to 7.4 liters. If I order a ecm reprogram will this fix my speedometer error too?? 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 would like the biggest bang for the $. 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. Would the retuned ECM provide any performance gains above what are present now? Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! As long as you don't have any emission systems removed, you will pass without any issues. I am in a non emissions state My 98 GMC K2500 L29 7.4 litre has 2.5" true dual exhaust with pro Flowmax mufflers an X-Pipe, cat delete but still has both upstream and both downstream o2 sensors. Check if this part fits . Some differences are: 1. Whats the stock numbers on a Vortec 454? We only specialize in the big block engines. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. Are there any gains to be had by programing and adding headers to my truck? 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. 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. merci. my old part number on ecm is 16263494 on 1999 454. 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. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. cam with matching torque converter and headers would be easy. 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. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. So if I have your tune done what is the turn around time sending my PCM to you? Most ordersare shippedwithin 24 hours from the order date. FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. 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. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. The stock Vortec iron head will not tolerate more than .440-inch lift. 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 $. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. Truck is stock otherwise and runs good just looking for more out of it. The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. 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 send yall Parts list of what kind of cam, injectors, pistons, etc. There is a small red wire that has never been connected to anything. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. This left us with Mark 4, Gen V and Gen VI big blocks to choose from, any of which would work for this project. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. What sets us apart from the others? If it is a 1998 then yes you can. 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. For a better experience, please enable JavaScript in your browser before proceeding. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! If you would like to place your order feel free to give me a call at 800-417-4559. I'm interested in the available upgrades for the vortec 454. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. I think they were made before Chevy started using real tornados. Please contact us directly to set that up at 800-417-4559. 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. Headers suggested. Change to a synthetic oil that is light-weight. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. I THINK I want a diesel until I look at the prices. Both Vortec 7400 heads (the '98-'01 12560241 and the '96-'01 10141279) have about 100cc chambers. Make use of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. Vortech Superchargers We are currently waiting on more ECM's to come in to be able to provide them on exchange. 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. A cold air induction setup will feed the engine cooler and more oxygen-dense air. Stage 1 Upgrade for Mercury 525 EFI. This ignition system upgrade will allow you to set your distributor for a little more timing advance. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. PART NO. Not only did the cam swap net an additional 52 horsepower (peak-to-peak), but the gains exceeded 80 hp higher in the rev range. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. from your CUSTOM TUNING,ECM, J'ai l'intention d'amliorer l'ordinateur de mon VR, par un model ULTRAPOWER mais avant d'acheter, j'ai besoin de savoir quels fuel injecteurs seront le mieux adapts ( conomie et rendement ) avec le nouveau module? You might be able to run an L29 cam, but you will need to consult an engine builder. You can pretty easily get 400+ horses out of that thing and it be streetable. The single core from CXRacing featured 3.5-inch inlet and outlets and had been tested previously at over 1200 hp and 25 psi. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. If not can a non uhaul ecm be used (ie plugged into the current harness)? Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. Yes, we could accept the PCM from your '98 as the core. My question is that I have a 1998 7.4 parts truck. Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. Would we still get the good price when you get more control modules in stock? No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. Vise grip, needle-nose and standard pliers. Thanks. what does this do at emission inspections?? 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. 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. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. At times I get a dtc for bank 1 and 2 too rich. I will be sending you my ECU. Reasons to buy: 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. TQ with those modifications done. 496 cubic inches. Could you do a downstream 02 sensor delete? My car is GMC pick-up 7.4L 1998. it is manual transmission. Performance Street, great low to mid-range. You may also like. Typical turn around is 3-4 days, sometimes quicker. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. no. I wish we could say for sure that you will be able to see a nice gain but we try not to over-promise on that. I have a 2000 7.4 engine transmission and full wire harness and ECM from one motorhome and want to put it in my 1995 motorhome. We are unaware of any cam upgrades specifically for the L21. The stock injectors are fine for our performance tuning. 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. If you choose the core option we will program an ECM here and ship to you. I am certain we can get more power and overall better drivability with our tuning versus your current setup. $199.95. will your new part ecm work on this motorhome. (454 used only MAP) 2. If you don't mind a "dirty" PCM case then we can take care of an order for you. I have a few questions so bear with me here. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. So, what are the most common problems with the Chevy 454 Vortec? 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. We will set the tune up based on your modifications and requests. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! After selecting a motor, we set about making the necessary changes for our test. Will this correct my RPM gauge issue? 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! 496 MAG Performance Parts Performance Applications Chevy / GM Trucks So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Reading some of your responses I came across one with regards to a 1996. The Vortec 454 was touted as having substantially more power. I do still have all the O2 sensors but would like to delete them if possible. Heads, intake and headers would definitely wake it up. Is this enough information to create a tune or will you need more information? Or if I pay to send in, is the return shipping included in the $495? I heard these trucks have a torque management system does this computer give my truck back all its power? 1998 k 3500 454 auto 4:10 Dually..What on earth can I do to get more out of my truck..without mortgaging the house. How much will the customization cost me? How To Add 70 Percent More Power to A Chevy 454 V-8. Reference core exchange, what is the time limit for you to receive the exchange? Will the UltraPower tune, give me the "best bang for my buck" performance increase? I have been watching lots of posts and things get carried away very quickly about getting big big hp. The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. Your vehicle is not compatible. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. A windage tray, which is cheap and simple to install, can help to keep oil in its proper location by keeping the rotating assembly balanced. . Your email address will not be published. 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. If it does work what would do for pulling and climbing hills? better yet have it tuned (Brian Bosch I believe is the man to talk to about . It may not display this or other websites correctly. 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). If you send it to us you avoid paying the core charge. We can adjust for speedometer error. Also how much horse power and torque do these motors have stock? All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. Here is info from COMP Cams. . 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. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. Apr 10, 2008 #5 M MyBoTy Veteran Member Mostly people saying to try this and try that. 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. Is this doable? 16238212. Check out their web sight Bankspower.com Step 2 Install a high flow air filter and cold air induction intake. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . I have a 1996 C3500 crew cab dually with a 7.4. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Check the make, year, and model of your car to see if the VIN number is available. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. 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. If you had the proper tuning software, you could tune it yourself later. Thanks. BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. Only a set of dyno headers and an electric water pump were different. Roller Lifters 5. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. I didnt see anything on the site but that doesnt mean I saw everything. Unfortunately this is not something that we offer. Stock TBI 454 makes 230hp and 380tq so stock fuel pump is maxed out right off and a typical 454 will run better with a fuel pump upgrade even with stock chip. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. General Motors debuted the 7.4 Vortec in 1970, one year before emissions requirements were tightened and three years before the gas crisis hit with full force. Nothing I was finding really listed ACTUAL upgrades. It is bone stock except for tow mirrors and Kodiak door handles on all 4. We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. Switched to Mass-Air Flow. But like any stock engine, there was tons of power left to be squeezed out. So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. 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". Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. It is $495 if your sending your core/pcm in first. I had a 7.3 F250 about 8 years ago and I really think the ol Chevy would run with it or out run it.
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