454 vortec performance upgrades 454 vortec performance upgrades

$399.99. 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. I would like to get the o2 delete. I sprayed starter fluid in the tbi and it fired up for a few second. I like my shift points where they are. will your new part ecm work on this motorhome. Would you be able to tune this on a new computer so I can keep the original? I have a 2000 gmc k2500 with the l29 454. 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. high flow intake elbow, filter and MAF my ecm has to be replaced. 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. We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. Interested, but don't want to buy one to find out i've already got it :D (my unit has 2 previous owners i think). I'm sorry, we can't tune anything prior to 1996 model year. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! 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. Switched to Mass-Air Flow. PART NO. Learn more. We will set the tune up based on your modifications and requests. We set it for the best performance in all conditions, it is not user adjustable. 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? I straight wired it to test it and it will run. Our acclaimed editorial staff covers all aspects of engine and driveline upgrades with a mission of presenting information that is both interesting and achievable for the average car guy. From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. 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 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. Eric, we can program for EGR delete, cost would be $ 495.00 and would also include the performance tune . As long as you don't have any emission systems removed, you will pass without any issues. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. 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. We are unaware of any cam upgrades specifically for the L21. The old, weak 240 HP 454 is every bit as. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. Are the tunes generic or do you change different things for different people? Any "recalibration" would require sending your ECM to us for programming changes. 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. Since the cat removal shift points have been wonky. 7.3 is 250-275/505-525 stock. Hot Rod decided to bolt up some typical speed parts. If I order a ecm reprogram will this fix my speedometer error too?? If they were cheap enough, sure. Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. cam with matching torque converter and headers would be easy. Check out their web sight Bankspower.com The banks system will give you 70hp and 85lb-ft. The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. I'm saving up for the banks power pack system. Gasoline engines do not require different settings for different conditions like a diesel engine does. The bill: $3,699.96 for all but the carb. I have a 1999 Fleetwood Flair with a 7.4 Workhorse. 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. Buy your K&N PF-1000 Fuel Filter at Amazon! 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. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. With the shut downs due to the virus, our normal service company that does that for us is closed. 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. Dedicated to making your Chevy Truck bad***. Having tried the things you already have, I am pretty confident the issue is the PCM. GAS MILEAGE. Yes that would be fine, you would just need to call in to our service department and schedule a date :). I am doing a full engine swap from a damaged motorhome to my older motorhome. vortechsuperchargers.com. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? Apr 14, 2016. We appreciate it but we only specialize in the big block engines. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. 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. 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. Edelbrock 7162 Performer 454 Cam kit can produce 540 horsepower and 530 ft-lbs torque power on a 454 engine. Mostly people saying to try this and try that. Reasons to buy: Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. He eventually figured it 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. Roller Cam, .483 Lift . 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. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. I've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. The intercooler did indeed drop the inlet air temps before the carburetor from 248 degrees to 111 degrees and the cooler charge dramatically improved the power output. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . We removed the factory EFI injection, and replaced it with simple carburetion. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. In 2001, production of the 7400 line was discontinued. Purchase a Chevy 454 crate engine online from JEGS High Performance. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. I am considering your tune for my motorhome. This is only 1 of the many changes that we make with our programming to achieve great power gains. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. When you purchase, just let us know any modifications or requests and we can accomodate. Would we still get the good price when you get more control modules in stock? . 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. K&N fuel injection performance kit. The General Motors 7400 is the name given to a 7.4-liter Vortec engine produced by GM from 1996 until 2001 as a truck engine. It is an all-iron engine (block and heads . I THINK I want a diesel until I look at the prices. 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. I have a 2000 OBS Chevy quad cab with a 454 Vortec. Anything that will help the performance. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. 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. The heads, pistons, and intake are stock. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. Yes, we can tune your L21 for similar gains as with the L29. 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. . The Vortec enhancements simply allowed GM to pass smog at a higher RPM. We set all the parameters in the PCM, so you will not have a way to make adjustments on your end. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. The only weak link is the peanut port factory heads and the sprinkler style fuel injection. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. If product is incorrect for the provided VIN we will contact you to revise order. We can also take care of the TQ management for you. Just worth mentioning. Also I want to send you guys mine as core but I wanted to get yours first so Im not without my truck and if something goes wrong I can plug my factory one back in, so can I wait to send mine till after I get yours? When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. Heads, intake and headers would definitely wake it up. If not can a non uhaul ecm be used (ie plugged into the current harness)? It will be plug and play. For GM vehicles, the Vortec variant increased power by 60 horses. I have had a hard time finding much of anything for these engines. Stage 1 Upgrade for Mercury 525 EFI. better yet have it tuned (Brian Bosch I believe is the man to talk to about . 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. At this point the engine run well, with no code problems. 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 As you can tell, it doesn't deliver much. If you continue to use this site we will assume that you are happy with it. I have the parts list and see one item called 01-412-8 hyd roller cam for $315. What sets us apart from the others? 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 just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. We are not able to assist in providing this PCM. 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. Another popular upgrade is changing to Bosch 4 hole injectors. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. Its amazing what some bolt-on parts can do! It is unlikely that the Vortec 454 accessories will clear the hood. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. It is a redesigned Chevrolet Big-Block engine and was introduced with the 2001 full-size pickup trucks. no. Headers suggested. . The 8th digit of your VIN is the letter "D" which designates your engine as a 7.4L LP4 which is different from a normal L29 7.4L. The air filter is easily removed, cleaned, and reused. It is bone stock except for tow mirrors and Kodiak door handles on all 4. The batteries are fully charged and there is 12 volts to the distributor. I have a 2000 GMC school bus with the L21 7400 motor. Bosch p/n: 0280155884. The proper application of boost to any motor is never inexpensive, and our Vortech YSI supercharger was not what could be considered low-buck, but it was epic in its effectiveness. Does this computer hav egr delete programmed into it. Thank you. Turn around time is 1-2 business days. Could you do a downstream 02 sensor delete? It can be done fairly cheap , power for days and 15-20mpg, I repeat. It is $495 if your sending your core/pcm in first. Steel Camshaft 4. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. Our typical turn around time is 2-3 business days. These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. 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. And performance tune? 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. I want to install a cam while you have the ECU. The engine receives cooler, more oxygen-dense air through a chilly air induction system. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. Switch to a lightweight synthetic oil. 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? 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. 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. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. . The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. Vortech Superchargers Please contact us directly to set that up at 800-417-4559. But like any stock engine, there was tons of power left to be squeezed out. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. And a k and n filter. 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. 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? 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. I replaced the relay to no avail. Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. Solenoid resistance: 12.5 Ohms. Your email address will not be published. New 2-Piece Intake Manifold w/Long Intake Runners 7. The terms ECM, PCM, and VCM are all used to describe the engine computer by various manufacturers, yours is located above the radiator . If so, is that the unit that sits above the radiator of a 2000 Itasca Suncruiser V32 w/ L29 7.4l (454ci) Vortec? The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. You might also want to consider a high voltage coil, high performance 8 mm spark plug wires and a set of quality aftermarket spark plugs to help your engine ignite more of the fuel that goes through it. Can you guys tune that ecm? We have been doing them on a limited basis, it has been very challenging to find good cores to use. And what is the final cost of your ECM. My question is what cam you would recommend for towing? The truck does not need to be emissions compliant. Is there any way I could send you that one as a core in return for one to work in my 2000? Richard Rowe has been writing professionally since 2007, specializing in automotive topics. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. Vortex comes from the word vortex. The goal was to construct a fuel-efficient engine with an air-to-fuel combustion system that would eventually produce more power. 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. 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. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. Some of which are going with an upgraded ignition, headers, removing the cats and having the computer flashed to shut down the secondary O2 sensors. 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. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. 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. Yes, we can tune your engine for more power, doesn't matter what type of transmission. Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! We modify this so that it is still "safe" but definitely wakes the truck up. Is it not the same motor from 96 to 2001. Programmers. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. I have a few questions so bear with me here. Typical turn around is 3-4 days, sometimes quicker. Thank you. It was also noted to have more power for gasoline engines. Rowe studied engineering, philosophy and American literature at Central Florida Community College. 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. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. do you think I could get more power with your ecm re-program? im wanting /needing power and torque. Don't know how tuning would work. Pace Performance Products in Ohio put together a decent upgrade. I do still have all the O2 sensors but would like to delete them if possible. 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. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. 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. Only a set of dyno headers and an electric water pump were different. Without going into the engine, they make a supercharger kit for it, I know whipple use to. That represents a 70-percent increase in horsepower. 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. Free shipping for many products! A stock 12v ain't got **** on a BBC. They also installed roller lifters, heavy springs and chain/gears. Buy in monthly payments with Affirm on orders over $50. In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. Do you have any videos of how to locate and remove my ECM? 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. 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. Thanks for any help. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? We have a complete Banks Power System and Banks Air Flow. I have been watching lots of posts and things get carried away very quickly about getting big big hp. I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. What type of gains could I expect with a tune for this? 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. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. If I send in a functional pcm for my Suburban mentioned in last question whats the average turn around for it? If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. 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? Great motor and runs strong with gobs of TQ. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. We gain on average 45-50 horsepower and 50 ft. lb. Is there anything to be gained within my parameters? The problem with making more power is that cost and performance often go hand in hand. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. I bought this truck brand new. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. We wanted to make sure the air/fuel and timing curves were spot on before running the supercharged monstrosity in anger. $360.56. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. Yes, this would be the compatible ECM with your VIN and part #. 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. 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 cold air induction intake. Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. Seems like it's lacking power towing my boat. Thanks. 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. We are running about 2-3 days on turnaround right now. 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. It is not 4x4. I've made several performance upgrades myself, but are always looking for something better. Explore Our Forums. 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. 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? Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. The greater the power gains, the bigger the budget. 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).