Just make sure to include that information in the order comments and we can make that happen for you :). I am ready to pull the trigger if I continue to run 87 octane fuel. Install an aftermarket windage tray in your engine. Free shipping. 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. They said they no longer support my RV and had no parts available. We can adjust for speedometer error. It is located on top of the radiator support and has 4 connectors going into the back of it. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. It is not 4x4. We use the original black box PCM's. We are unaware of any cam upgrades specifically for the L21. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. Since the cat removal shift points have been wonky. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Most ordersare shippedwithin 24 hours from the order date. 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. I installed a K&N replacement are filter in the stock air box. Check the make, year, and model of your car to see if the VIN number is available. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. 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). I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. Hello! Banks iDash: SuperGauge & DataMonster. m) at 3200 rpm. I am certain we can get more power and overall better drivability with our tuning versus your current setup. Buy in monthly payments with Affirm on orders over $50. Headers exhaust. 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. We immediately checked the latest 8.1L off the list due to lack of availability and parts cross over. Chevrolets Vortec 454 was a modern-day evolution of the firms most famous big block. We gain on average 45-50 horsepower and 50 ft. lb. I won't change the exhaust or add a ring eating K&N. Next best upgrade you can make is the Banks TorqueTube headers (, We recommend these injectors:https://www.fiveomotorsport.com/bosch-oem-454-j-code-884-black-knight/. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. I heard these trucks have a torque management system does this computer give my truck back all its power? You are using an out of date browser. If you would like to place your order feel free to give me a call at 800-417-4559. We don't however specialize in forced induction applications so we would not be able to help you with that. Your email address will not be published. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. 1996 c3500 dually 7.4 with 5 speed. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. Can you reprogram and net me the same HP & TQ numbers as the L29? Vehicle Monitoring and data-logging like no other! . 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. Yes, we can do that. 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. Configured with our pulley combination, the YSI spit out a peak boost pressure of 19.1 psi where the boosted big block produced 791 hp and 713 lb-ft of torque. Hello I have 2000 GMC k3500 Truck. The bill: $3,699.96 for all but the carb. I like my shift points where they are. 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?? Having tried the things you already have, I am pretty confident the issue is the PCM. The Gray, the green with white strip and the black test grounded. Yessir! I have the 411. 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 am considering your tune for my motorhome. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. better yet have it tuned (Brian Bosch I believe is the man to talk to about . 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. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! Thousands of satisfied customers have reported fuel economy increases as well as less transmission downshifting because of the increased horsepower and torque. The tuning alone will be the single biggest change you can make to improve power and throttle response. Buy your Innovative Performance Chip/Power Programmer at Amazon! The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. How To Add 70 Percent More Power to A Chevy 454 V-8. Do a 12 swap and be done. 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. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. 98 Single Rear Wheel 3500 7.4 Vortec. In 2001, production of the 7400 line was discontinued. Free shipping for many products! Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. This engine series was utilized on Chevrolet and GMC large truck models such as the Suburban from 1996 through 2001. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. They seem to be similar to those used in your RV work. My goal is to improve torque and trans efficiency then MPG. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. Would this work on 1996 7.4L L29? Install an aftermarket windage tray in your engine. And what is the final cost of your ECM. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. Can i tell if my RV has this already? These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. Any "recalibration" would require sending your ECM to us for programming changes. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. Yes, all gains listed are with 87 octane gas. Overall Length: 3 inches, 74 mm. Change to a synthetic oil that is light-weight. Also the torque management. 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've always heard that they were a good upgrade to the TBI 454 and earlier 454 heads. I would think that u-haul did not use their own ECM. If it does work what would do for pulling and climbing hills? Prices increase after 2/28. My car is GMC pick-up 7.4L 1998. it is manual transmission. If you send your ECM in, we can make the necessary adjustments you are requesting. I read in earlier questions asked that you had stopped doing the earlier ones. TQ with those modifications done. 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! Thank you for any information you could give me. From my experience, the HyperTech programmer for those engines is pretty generic and does not make very many changes in the programming. Thank you. 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. Just worth mentioning. 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? I straight wired it to test it and it will run. 496 cubic inches. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. Is there a way you could tune that out completely or as much out as you possibly can? Choose FORTEC 4x4 for Jeep Wrangler JL and Jeep Gladiator JT Customizing - Highly trained Specialists Since 1991 Each Jeep we touch brings you the greatest quality, functionality and performance We offer Jeep Turn Key Solutions, Jeep Parts and Jeep Accessories in Partnership with Jeep Dealerships in Atlanta and Florida There should be no reason to ever need to reprogrammed in the future and if you needed a replacement PCM we can take care of that for you. Thanks. 16238212. 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. Project Boneyard Boost was one of those rare occasions where we got to apply a massive infusion of power to a motor that cost next to nothing. No videos but your ECM is fairly easy to identify and replace. . So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Rowe studied engineering, philosophy and American literature at Central Florida Community College. PART NO. 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For this test, the motor was configured with an Edelbrock RPM Air Gap intake and Holley 750 carburetor. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. If you send it to us you avoid paying the core charge. 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 called Banks Power last week to try and find out what they recommend. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. 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. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. Their high performance cellulose glass media traps contaminants such as rust, dirt, scale and other foreign materials. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. no. I have a 2000 3500 454. 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). Steel Camshaft 4. But like any stock engine, there was tons of power left to be squeezed out. 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. 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? Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. will your new part ecm work on this motorhome. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. They left all the original parts in place like the two-barrel carburetor and dilapidated ignition system. The P12 was only available for 1 or 2 years so there wasn't enough demand to continue producing products for it. We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. 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. Also how much horse power and torque do these motors have stock? Gasoline engines do not require different settings for different conditions like a diesel engine does. 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. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. 5. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. We have been doing them on a limited basis, it has been very challenging to find good cores to use. Bosch p/n: 0280155884. That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. After selecting a motor, we set about making the necessary changes for our test. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. We would reprogram yours and put it in a new case so it looks nice! 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. Edlebrok performance heads with factory Combustion chamber size 100-110cc, valves set for .700 lift, I-2.190 E-1.880, 3/8" guideplates : http://www.summitracing.com/parts/EDL-60499/ GM Vortec EGR blockoff plate p/n is 12554606. Wiring is the same. Here is info from COMP Cams. Thanks to a maximum impeller speed of 65,000 rpm (racers go even higher) and a peak efficiency rating of 78%, the Vortech YSI was capable of supporting over 1,200 hp at 30 psi. I didnt see anything on the site but that doesnt mean I saw everything. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard. It will be plug and play. A stock 12v ain't got **** on a BBC. I THINK I want a diesel until I look at the prices. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. The GM 7.4L UltraPower ECM has long been the ultimate performance modification you can make to your GM 7.4L powered RV or truck with the highest power gains on the market! We are running about 2-3 days on turnaround right now. Et si je devrai faire recalibrer mon ecm? The air filter is easily removed, cleaned, and reused. 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. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. Really? Feb 1, 2016 #2 Jorge6.5 I'm Awesome Joined May 17, 2013 Messages 1,015 Reaction score Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. Performance computer re-calibration and a Custom High flow Billet Flame Arrestor that increases the maximum power by more than 25 HP* and 30 pounds of torque*. 90 and older is particularly bad and that is largely due to NO OVERDRIVE. Yes, we can tune your L21 for similar gains as with the L29. Once the order is placed and you have paid for a core, we will program a PCM here and ship it with a return shipping label for your core. I just ordered an ECM for my 7.4 and was curious on if you guys did this tuning on the 5.7s? Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. 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. I am considering some performance upgrades to my 2000 Winnebago Brave with the 7.4 liter engine. A cold air induction setup will feed the engine cooler and more oxygen-dense air. Always a big complaint with 454 TBI trucks. 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. 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. 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. Can I tune it myself later with my own tuner or is it still a black box like the oem? The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. The Vortec 7400 was based on Chevrolets 1995 7.4-liter 454-cubic inch V8 big block, which produced 230 horsepower. Are there any gains to be had by programing and adding headers to my truck? With the baby stock cam they made 290hp and 415 ft lbs of torque. How much will the customization cost me? 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). We will set the tune up based on your modifications and requests. 2023 Power Automedia. I sprayed starter fluid in the tbi and it fired up for a few second. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. Primary or Expansion Gauges And Upgrade Kits (52mm) For 2008+ OBDII CAN bus vehicles, Upgrading SIx-Gun, Economind, and SpeedBrake, or use with BBus Sensor Modules. Buy your K&N PF-1000 Fuel Filter at Amazon! Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. Step 2 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. That represents a 70-percent increase in horsepower. This is a crew cab, 8 foot bed. 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. Mostly people saying to try this and try that. Apr 10, 2008 #5 M MyBoTy Veteran Member Free shipping. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. 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 have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. How much can you get them for? At this point the engine run well, with no code problems. The tune will definitely wake the truck up. We tune the original black box PCM but do not do the 411 swap. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. Fuel pump doesn't run. 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. With the shut downs due to the virus, our normal service company that does that for us is closed. You will gain approximately 35-40 horsepower and 45 lb-ft torque. K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. what does this do at emission inspections?? Install a high-flow air filter and a cold air intake. What sets us apart from the others? 7.4 chevy engine in georgia boy pursuit motorhome. 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. It was also noted to have more power for gasoline engines. Thanks. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. merci. All fuel injector specifications meet or exceed the manufacturer's specification standard. We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! My question is what cam you would recommend for towing? I will be sending you my ECU. 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. 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. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. Switched to Mass-Air Flow. 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. Great motor and runs strong with gobs of TQ. 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. 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. 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. Yes, it definitely will. 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. I have a vortec454 in a non smog az tow vehicle. As you can tell, it doesn't deliver much. You can pretty easily get 400+ horses out of that thing and it be streetable. Installed E3 spark plugs which seemed to help. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. I have a 98 C-3500 dually with a Vortec 454. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . 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!). Only a set of dyno headers and an electric water pump were different. We use cookies to ensure that we give you the best experience on our website.