. Elgin Industries set of (16) Hydraulic Roller Valve Lifters compatible replacements for Big Block Chevy GMC & Pontiac engines. 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. Solenoid resistance: 12.5 Ohms. Install a high flow air filter and cold air induction intake. If you continue to use this site we will assume that you are happy with it. im wanting /needing power and torque. We have no issues with tuning a higher mileage engine as long as it is in good running condition. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. I have a 2000 3500 454. What type of gains could I expect with a tune for this? The 7.4 Vortec was essentially the same big block 454 that Chevrolet used to power its muscle cars, but it gained a hydraulic roller camshaft and improved cylinder heads to make it considerably more efficient than the old LS6 could ever hope for. 1999 vortec 454 7.4 - HPTuners We set it for the best performance in all conditions, it is not user adjustable. Only tow rigs I have used to pull my Jeep with was this truck and my DD Driver 5.3 Tahoe. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? Stronger shift points for towing and power. Buy in monthly payments with Affirm on orders over $50. It will not void your factory warranty, and does not modify any emissions systems. no. Although Chevrolet doesn't specifically recommend it for this engine, the extreme slipperiness of a full synthetic will allow you to run a thinner weight oil without worrying about undue engine wear. If you send us your PCM, our turn around is usually 1-2 days. Pace Performance Products in Ohio put together a decent upgrade. 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. This is a lie. The 7400 was essentially the same big block 454 that powered Chevy through the muscle car years, but with improved cylinder heads and a hydraulic roller camshaft, it was far more efficient than the old LS6 could ever hope to be. Hot Rod And remember, thats all without touching the bottom end. Explore Our Forums. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Free shipping for many products! 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. That being said, the threads on the net are pretty old. 454 vortecgood or bad | Performance Boats Forum I just purchased your UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning. The state of California requires that this warning be posted for people purchasing products that reside in California. Installed E3 spark plugs which seemed to help. 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. 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. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. Roller Lifters 5. He eventually figured it out. Our typical turn around time is 2-3 business days. As you can tell, it doesn't deliver much. This is a crew cab, 8 foot bed. I have a few questions so bear with me here. Yes, it definitely will. It was known as the Vortec 7.4 (7400, Regular Production Option designation L29) in North America and across other markets. We CAN tune the engine computer with our UltraPower tuning to get more performance but we MUST have you send your PCM in to us for programming as it has a unique PCM that we don't have cores for. It is located on top of the radiator support and has 4 connectors going into the back of it. Thank you. 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). Can I tune it myself later with my own tuner or is it still a black box like the oem? I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. 454 VORTEC UPGRADES | HardlineCrawlers They seem to be similar to those used in your RV work. Only a set of dyno headers and an electric water pump were different. Nothing I was finding really listed ACTUAL upgrades. I THINK I want a diesel until I look at the prices. 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? He could even be found working on tractors or hay bailers while on vacation at his uncles farm. 1996 K3500 454 (7.4L) | Off Roading Forums Do a 12 swap and be done. Even stock we see impressive gains but even more so with the Banks PowerPack installed. Always a big complaint with 454 TBI trucks. We appreciate it but we only specialize in the big block engines. m) at 3200 rpm. my old part number on ecm is 16263494 on 1999 454. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. 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. 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. Is it not the same motor from 96 to 2001. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. It was bone stock 2x4 extended cab dually. BBK 1710 80mm Throttle Body - High Flow Power Plus Series GM Vortec 305 We are unaware of any cam upgrades specifically for the L21. Yes, this would be the compatible ECM with your VIN and part #. 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. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. That extra air going into your engine needs to get out somehow; installing a full aftermarket exhaust system like this is always good for more fuel economy, especially when combined with a freer-flowing intake. At times I get a dtc for bank 1 and 2 too rich. We are running about 2-3 days on turnaround right now. Please contact us directly to set that up at 800-417-4559. CHEVROLET 7.4L/454 Parts and Accessories - Summit Racing Equipment If you send it to us you avoid paying the core charge. 1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers Jump to Latest Follow . We gain on average 45-50 horsepower and 50 ft. lb. I do some pulling but mainly driving with this truck I have a factory y pipe with no cats and dual 3 inch flowmaster mufflers. Full Forum Listing. The Vortec 8100 (RPO L18) is a V8 truck engine. Just wondering because Id buy one of those as well. I'm interested in the available upgrades for the vortec 454. 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. Marks spare time was heavily consumed by reading automotive magazines and wondering how in the heck people could land a job testing cars all day. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts - Competition Products With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. The Vortec 7400 as you know lays down 290 HP and 410 LbFt of Torque. 2000 Chevy Truck 454 Specs | It Still Runs The tuning alone will be the single biggest change you can make to improve power and throttle response. I have a 1999 Fleetwood Flair with a 7.4 Workhorse. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. Yes, we can tune your ECM. Anything that will help the performance. Really? 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. It is quite a noticeable difference! 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. I have the 411. Feel free to call me with your vin # handy if you would like to get your order in. To further improve power, we also upgraded the stock hydraulic roller camshaft with an XM284HR from COMP Cams that offered .547 lift, a 230/236-degree duration split and 112-degree lsa. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! Also I dont have either downstream 02 sensors. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! Chevy Performance BBC L29 Vortec Cast Iron Cylinder Head - JEGS 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 have a GMC PCM service # 16238212 for a 99 Topkick w/7.4L 454 gas engine; and was wondering if you are able to repair these PCMs/ECMs or have an equivalent I can replace it with? 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 $. Gasoline engines do not require different settings for different conditions like a diesel engine does. 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. Having tried the things you already have, I am pretty confident the issue is the PCM. Yes, we can tune your engine for more power, doesn't matter what type of transmission. Can i tell if my RV has this already? The Vortec enhancements simply allowed GM to pass smog at a higher RPM. 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. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* 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 vortec454 in a non smog az tow vehicle. Turn around time is 1-2 business days. Performance. Don't know how tuning would work. Do you offer anything for the 5.3? Buy in monthly . It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. Injector type: US-CAR, saturated. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. I straight wired it to test it and it will run. . 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. Free shipping. $399.99. Now, that poses the question: what would you shoehorn this big-block Chevy into? Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. JavaScript is disabled. Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. Also how much benefit do you think I would gain by going aftermarket catback exhaust. GM 7.4 Vortec Ultimate Engine Guide - Specs, Problems, Performance The greater the power gains, the bigger the budget. 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. 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. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? 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? The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. Does this upgrade have a negative or positive impact on engine life? The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. The Official Vortec 454 Info thread - GMT400 Programmers. Install a high-flow air filter and a cold air intake.

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