Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. What type of gains could I expect with a tune for this? Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. Thank you for any information you could give me. believe it or not, the 8.1 uses the same heads as the Vortec 454 as well as the same cam (from my research). I thought the same thing, 8.1 swap, but I think the 454 has a bit of potential with a few changes. We are currently out of clean/painted cases for the PCM's. Stronger shift points for towing and power. Fuel Injectors - Upgrade. 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. 454 w/4.10's, 120K miles for $7000 (asking $7K, so he might come down) with less than 1000 miles on tires on it. If you send us your PCM, our turn around is usually 1-2 days. Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. If you are placing an order to ship outside the United States, Shipping Insurance will be required and added automatically at checkout. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. Reading some of your responses I came across one with regards to a 1996. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Is it possible to get the newer 0411 with your tune for my truck. Simple Mods to a 454. Yes that would be fine, you would just need to call in to our service department and schedule a date :). I am ready to pull the trigger if I continue to run 87 octane fuel. Install a high flow air filter and cold air induction intake. This is great for stock short block 350 engines like the Chevrolet Performance 290 hp 350 crate engine that uses a dished piston with a 76cc combustion chamber head. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. Alright Jay! Yes, we can resolve your issues. The Chevrolet 454 remains a favorite among performance enthusiasts because of the its power output and the availability of aftermarket parts for the engine. I heard these trucks have a torque management system does this computer give my truck back all it’s power? I didn’t see anything on the site but that doesn’t mean I saw everything. 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. Yes we modify the shift patterns to hold the upper gears longer, your shift kit would not interfere or cause issues. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidays. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. We set it for the best performance in all conditions, it is not user adjustable. No videos but your ECM is fairly easy to identify and replace. Yes, all gains listed are with 87 octane gas. Many … Does anyone have any suggestions on what to upgrade and what brands to use? A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. 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. 1999 Crew cab dually, 454 vortec, AUTOMATIC. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. GMC 7.4L/454 JET Performance Parts and Accessories. if you do the cam and valve train then you'll have to buy a converter A stock Duramax won't get much better fuel mileage towing then … Also the torque management. Another popular upgrade is changing to Bosch 4 hole injectors. You can see our full selection below, or shop in our product categories to the left. I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. We can easily do this with the specs you provide. Are there any gains to be had by programing and adding headers to my truck? 16238212. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. Not very good for pulling a camper if it’s hilly. Top Aftermarket Upgrades. This ignition system upgrade will allow you to set your distributor for a little more timing advance. Our tuning is custom to your vehicle so if you ever did have a dealer flash the computer it would wipe out the performance settings and revert to stock. I sprayed starter fluid in the tbi and it fired up for a few second. Do you have identifying marks on the ECU? It is a re-programmed ECM, either you send yours in or we send you one on a core exchange. Do you have any videos of how to locate and remove my ECM? We can adjust for speedometer error. 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. I installed a K&N replacement are filter in the stock air box. And what is the final cost of your ECM. We can also adjust your speedometer to be correct. First I start with a new Fuel pump, STOCK 75lph TBI fuel pump will only support about 230hp before the fuel pressure drops like a rock. For more information, visit www.P65Warnings.ca.gov, NOTICE: For orders outside of United States. Thinking about replacing the pontiac 455 in my trans am with a fuel injected motor and was wondering about the power potential of these motors. out a chevy 3500 with computer and harness for $750. If you choose the core option we will program an ECM here and ship to you. 454 VORTEC UPGRADES. Cats have been removed as well as smog pump. 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. The issue with your tachometer would only be fixed if there is an actual issue with your PCM. 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. We can tune it if you can build it :). Feel free to call me with your vin # handy if you would like to get your order in. 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. We can do the tune now with the Banks kit taken into consideration for down the road. Next, the Vortec head employs a small, 64cc combustion chamber. As long as you don't have any emission systems removed, you will pass without any issues. We’ve seen a few 1996-1997 PCM’s with this issue. 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. Would we still get the good price when you get more control modules in stock? You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? 1996-2000 GMC Savana 3500 7.4L V8. Yes, we tune for 87 octane unless a higher octane is requested. I have been watching lots of posts and things get carried away very quickly about getting big big hp. I decided to just build up the 454 in my k30. I wouldn't expect much if any more than a full Eddy kit.We are talking the back third to half of the hull.It's also worth pointing out all the engine in the world won't do shit … 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...). 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. Can you reprogram and net me the same HP & TQ numbers as the L29? Fuel Injectors - OEM. Are the tunes generic or do you change different things for different people? I’m also trying to get more out of this engine without tearing into it so I was just hoping this fixed my gauge as well. I would like to get the o2 delete. Since then I have been told and read on the net that this engine actually lacks HP and torque. It has been for sale for a while (9 months). There is a small red wire that has never been connected to anything. Part Number: JET-61500 Estimated Ship Date: Tomorrow. Also I want to send you guys mine as core but I wanted to get yours first so I’m 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? They also installed roller lifters, heavy springs and chain/gears. Vans in 2000 got only BB PCM's, 2001, they got BB or 0411. We gain on average 45-50 horsepower and 50 ft. lb. Or is it what get is all you get? I would like the biggest bang for the $. Things You'll Need. The tuning alone will be the single biggest change you can make to improve power and throttle response. After messing with my brothers 1992 454 TBI dually truck and now my 1991 TBI 454SS, I am going to say, I am not a big fan of the 91-95 GEN V big block engine. Fuel pump doesn't run. These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. In Junior high at age 14 (1978) I won the HO nationals open class slot car championship in Buena Park Ca, I then manufactured and sold my slot car armatures to the … How to Improve the Towing Performance ... How do I Improve Fuel Economy on a Ford ... What Type of Oil Goes in a 1971 Super ... dragster engine image by Robert Young from, Copyright 2021 Leaf Group Ltd. / Leaf Group Media. Please just leave in the order comments your requests to be done. I’m interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. 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. 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. We don't however specialize in forced induction applications so we would not be able to help you with that. Michael 454 Vortec - What … Yes you are correct that there is torque management which "pulls" back power when taking off from a stop. If upgrades to the short block are necessary, it may be worthwhile to consider installing an aftermarket "stroker" crank to gain even more displacement. If you don't mind a "dirty" PCM case then we can take care of an order for you. BRAND NEW GENUINE BOSCH FUEL INJECTORS - MADE IN U.S.A. ONE COMPLETE SET OF 8 FUEL INJECTORS; 4 … You will gain approximately 35-40 horsepower and 45 lb-ft torque. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. Truck is stock otherwise and runs good just looking for more out of it. The 454 big block is a true legend of an engine that has been the base for many of the fastest, highest HP builds in the history of hot rodding. Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? I straight wired it to test it and it will run. How much will the customization cost me? Since the cat removal shift points have been wonky. I put some pictures here as I sent Vic one … Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. Truck runs great doesn’t miss or anything just seems to not really have any power at all in 1st gear and alittle more in second gear. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. Heavy-duty rotating assembly ; Aftermarket cylinder heads and induction system ; Aftermarket … Any knowledge of actual performance: differences between the two engines? If you will be sending us your ECM for reprogram you will need to select "Remove Core Charge", It is $495 if your sending your core/pcm in first. For this one, I would want you to send your PCM into us to be done. Quote; Post by stroker97k1500 » Fri Jul 17, 2009 … I use the truck for towing and it is quite weak, If this ecm has to be reprogrammed in the future do I go to GM Dealer or have to send back to you?? This is a crew cab, 8 foot bed. Though larger than the previous 7.4L models, the unique 8.1L could not utilize the amazing array of performance parts available for … I just ordered an ECM for my 7.4 and was curious on if you guys did this tuning on the 5.7s? Engine is in stock configuration with no upgrades. Cost is $395 plus a $175 core charge which is refundable. A cold air induction setup will feed the engine cooler and more oxygen-dense air. 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. We can tune stock or modified, not a problem. Wiring is the same. 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? I am noticing that this year the Subs with 454's are not selling well at all. Improved starting, smooth idle. I have a 2000 C3500 with the 454/L29 and auto trans. 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires, GM/Workhorse P32 w/ 7.4L Vortec Engine (L29), Chevrolet & Workhorse Motor Home Chassis from 1996-2000 (L29), Disabling of emissions systems (for competition or off road use only). We tune the original black box PCM but do not do the 411 swap. Please contact us directly to set that up at 800-417-4559. no. Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and it’s reading about 1000RPM. My goal is to improve torque and trans efficiency then MPG. Exhaust? 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. Is there a way you could tune that out completely or as much out as you possibly can? I have a few questions so bear with me here. This is only 1 of the many changes that we make with our programming to achieve great power gains. Gasoline engines do not require different settings for different conditions like a diesel engine does. Is this enough information to create a tune or will you need more information? I have a vortec454 in a non smog az tow vehicle. I have a 1999 Fleetwood Flair with a 7.4 Workhorse. Turn around time is 1-2 business days. Switch to a lightweight synthetic oil. So they only got the Black Box PCM on them. At the relay the Orange wire is hot with 12 volts continually. 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. This thing is weak as water. Custom tuned for modifications such as aftermarket camshafts, exhaust, air intake, tire size, gear ratio, etc. If I order a ecm reprogram will this fix my speedometer error too?? Does this computer hav egr delete programmed into it. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. We would reprogram yours and put it in a new case so it looks nice! I do still have all the O2 sensors but would like to delete them if possible. Can you guys tune that ecm? Joined Mar 30, 2010 Messages 1,220 Location Yankeeland Southeren IN. Looked well taken care of, aftermarket running boards, pretty much standard LT. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. I will definitely recommend you to others." Should I get a larger MAF ($270) or is that ineffective until I get better flowing heads? Read the tech article on Late-Model TBI Trucks Power Upgrades, brought to you by the experts at Chevy High Performance Magazine. I had a relative who had one of the blown (by Gary at Eclipse Engineering) Chevy 454TBI crewcabs duallies in the 90s and it was nice but the power wasn't alot more and it had heating problems and would pass most things but a gas station. We modify this so that it is still "safe" but definitely wakes the truck up. I plan on the injector and ignition work done in march. Joined Sep 26, 2009 Messages 17,816 Reaction score 21,834. 1; 2; First Prev 2 of 2 Go to page. and will it improve my over all power? My name is Mark Jones, thanks for considering my engines. Building a new Gen VI Big Block 454 Chevrolet Vortec Engine. there are tons of options for the 454 upgrade. 11-19-04 05:35 PM - Post# 540230 In response to LT1Power I just replied to another post regarding the 350 CI and told him to check out www.bankspower.com for their information, it gives power gains as indicated by dyno runs for each step they took in developing a performance kit. Would the retuned ECM provide any performance gains above what are present now? I got it for a good price. And a k and n filter. It is quite a noticeable difference! My current mods are aftermarket computer chip and straight pipe exhaust with glass … If you would like to place your order feel free to give me a call at 800-417-4559. The state of California requires that this warning be posted for people purchasing products that reside in California. My question is that I have a 1998 7.4 parts truck. If I send y’all Parts list of what kind of cam, injectors, pistons, etc. Short tube headers won't do anything for you but long tube headers would he beneficial. 5.3L Vortec LS mills offer a lot of performance for your money. BluePrinting the bottom sounds expensive. I am looking to upgrade the performance for a 1998 1-ton Chevy with a 454. Banks Power 41013 Air Filter Element … Will this correct my RPM gauge issue? Very interested in this. 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. Install the new Chevy performance chips which will make your vehicle be more powerful than before giving it the style that it deserves making it comfortable for you to go on the road. 23 posts 1; 2; Next; stroker97k1500 Posts: 2702 Joined: Thu Apr 12, 2007 6:13 pm Location: Macon Ga., 94Toyota truck with LSX stuff. 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. They said they no longer support my RV and had no parts available. Gains with the modifications you have done would be around 45 HP/ 45 TQ. I have always thought of a 454 as a powerhouse … torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. 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. Also I don’t have either downstream 02 sensors. I wanna make 500 hp. All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. Can i tell if my RV has this already? The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. It is located on top of the radiator support and has 4 connectors going into the back of it. What a fantastic improvement. The 454 died in 2000 to 2001, but the vans dropped it after 2000. Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. If not can a non uhaul ecm be used (ie plugged into the current harness)? David in Illinois said, "Just wanted to thank you for your advice on my 454 Vortec Silverado.These injectors did exactly what you said. Vise grip, needle-nose and standard pliers. I replaced the relay to no avail. Install an aftermarket windage tray in your engine. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. 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. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. We are unaware of any cam upgrades specifically for the L21. Yes, we can tune your engine for more power, doesn't matter what type of transmission. Mar 26, 2012 #9 Gelcoater Well-Known Member. $89.21. Even stock we see impressive gains but even more so with the Banks PowerPack installed. I don’t have the 2000 VIN only the VIN from my 1995. We take the Vortec big-block from this 1996 Chevy truck dually to Superior Automotive to have the heads flowed and ported and more, only on sporttruck.com, the official website of … I don't even know which fuel injection kit works the best. Yes our tuning does work for trucks as well. 98 Single Rear Wheel 3500 7.4 Vortec. Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. I have Bosch Gen III injectors; Volant Air intake; and 3” exhaust. You might be able to run an L29 cam, but you will need to consult an engine builder. And performance tune? I grew up in Thousand Oaks California, By 4th grade I knew what a ZL1 L88 LS6 were part by part, you could say I was very into Big Block Chevrolets. Yes, we could accept the PCM from your '98 as the core. It is not 4x4. Estimated Ship Date: Tomorrow. Having tried the things you already have, I am pretty confident the issue is the PCM. 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. Later i want to install the banks PPB 49070 package on this motorhome next year. Fuel Injectors - Performance. The 7400 was essentially the same big block 454 that carried Chevy through the muscle car years, but a hydraulic roller camshaft and revised cylinder heads helped to make it far more efficient than … I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. Was it the same chassis for both quotes? So I have a 98 K3500 with the 7.4L and I use it mainly for hauling, but I have began to daily it. If product is incorrect for the provided VIN we will contact you to revise order. I recently purchased a 1997 Chevy Suburban K2500 4X4 with a J code 454 Vortec. The batteries are fully charged and there is 12 volts to the distributor. However, they can be improved. We only specialize in the big block engines. 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? Moderators: Eric@PPE, James B., flyingpolarbear, Dev. Heck it even shifts smoother. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. The previous owner had the engine rebuilt in 2012 and tells me they installed an RV cam but I am not sure which one. I would like the biggest bang for the $. We have no issues with tuning a higher mileage engine as long as it is in good running condition. Pull more power capacity out of your 1996-00 GM 7.4L Vortec Motorhome with our system upgrades. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? Unfortunately this is not something that we offer.
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