Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission ? Et si je devrai faire recalibrer mon ecm? Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8, Innovative Performance Chip/Power Programmer, Big Autoparts Ignition Distributor Set DR474 DR331, ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set, Painless fuel injection wiring utilizes all new TXL wire, OEM fitment connectors and grouped harness breakouts making for an easy install and saving you from using old re-worked wiring; Machine crimped terminals match OE quality. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. Is this enough information to create a tune or will you need more information? Is the Vehicle Control Module an ECM by another name? The batteries are fully charged and there is 12 volts to the distributor. Wiring is the same. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? Also I dont have either downstream 02 sensors. My goal is to improve torque and trans efficiency then MPG. In 2001, production of the 7400 line was discontinued. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. All fuel injector specifications meet or exceed the manufacturer's specification standard. Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend . O-rings: Top and bottom, 14.5 mm - Viton. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. 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 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? It may not display this or other websites correctly. If you send your ECM in, we can make the necessary adjustments you are requesting. If powertrain performance projects and hardcore technical content are your interest, Power & Performance News is the publication designed for you. Feel free to call me with your vin # handy if you would like to get your order in. watch out for chips as they just bump the fuel curve. Some differences are: 1. So, I am contemplating upgrading this thing for more power, or selling and buying a Dmax. Also, is shipping included both ways? 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 tune the original black box PCM but do not do the 411 swap. The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. 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. 90 and older is particularly bad and that is largely due to NO OVERDRIVE. Programmers. Yes, we could accept the PCM from your '98 as the core. I am considering your tune for my motorhome. Apr 10, 2008 #5 M MyBoTy Veteran Member Distributors cap and rotor kit features brass inserts and stainless steel rotor springs,designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires,prevents arc through and crossfire. 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). For a plain jane Sierra, not bad in my opinion. 3. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! So if I have your tune done what is the turn around time sending my PCM to you? I would think that u-haul did not use their own ECM. 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. K&N fuel injection performance kit. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. We appreciate it but we only specialize in the big block engines. Subtract the standard .050-inch clearance, this leaves only enough room for a .420-inch lift cam. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel. 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 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. and will it improve my over all power? You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? Change to a synthetic oil that is light-weight. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. If not can a non uhaul ecm be used (ie plugged into the current harness)? These modifications will help to generate more horsepower without adversely affecting fuel efficiency, which will ultimately increase net mileage. The truck does not need to be emissions compliant. See listing details. 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. 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. Hi Warren, that is definitely something we can tune for. Right now I have a CAI, 2" full length headers, 3" dual exhaust and EGR delete. Raylar performance packages allow your 496 to produce massive amounts of power without sacrificing reliability. 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. $360.56. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. Please just leave in the order comments your requests to be done. 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. Roller Cam, .483 Lift . After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. Reasons to buy: 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. performance, modifications, classifieds, troubleshooting, maintenance, and more! 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. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. 7.3 is 250-275/505-525 stock. I am ready to pull the trigger if I continue to run 87 octane fuel. TQ with those modifications done. It was bone stock 2x4 extended cab dually. A cold air induction setup will feed the engine cooler and more oxygen-dense air. I have a 2000 C3500 with the 454/L29 and auto trans. Nothing I was finding really listed ACTUAL upgrades. 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. "SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. Just need a working substitute, no enhancements really needed. What are your recommendations?? I replaced the relay to no avail. Can I reprogram on the fly as conditions change and performance needs warrant a change?? 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. Headers exhaust. 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. Growing up, Mark always had a mind for tinkering on random items throughout his home and dads garage, including a 1953 Ford Mainline and 1971 Corvette Stingray. Is there a way you could tune that out completely or as much out as you possibly can? 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires (1996-2000). The 1970 Chevrolet 454 was the most powerful with outputs of 360 and 450 horsepower from the LS5 and LS6, respectively. I've made several performance upgrades myself, but are always looking for something better. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. Oil tends to collect on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons) and reducing horsepower through parasitic drag. The banks system will give you 70hp and 85lb-ft. I sprayed starter fluid in the tbi and it fired up for a few second. Since the cat removal shift points have been wonky. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. 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. Whether your power boat is running boost or naturally aspirated, we have the correct performance parts for your application. 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. Do you offer anything for the 5.3? The state of California requires that this warning be posted for people purchasing products that reside in California. Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube. I didnt see anything on the site but that doesnt mean I saw everything. will i notice anything? Whats the stock numbers on a Vortec 454? 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 the old LS6 could ever dream of being. We measured our stock iron heads right out of the box and the retainer-to-seal clearance was only .470-inch. No where near diesel power my ass. way stronger than a stock 12v, 6.5, & 7.3 powerstroke by far!!!! We can adjust for speedometer error. Thanks, WILL THE 2000 1 TON DULLY I HAVE STILL PASS CAL SMOG WITH THIS TUNE UP EMC. is this unit ready for plug and play. It is quite a noticeable difference! I have a 1996 Winnebago with a P30 chassis and a 454 75,000 miles and runs great. It debuted in 1970 as an upgrade of the 427 big-block V8 engine. youll have to stick to a torque cam because of the computor needs vacuum (speed density) headers will help greatly. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. . The 4300 was GMs first Vortec-engine V6, released in 1986 and designed for trucks. It's a nice cam for a 454 big block chevy engine that runs with 1500-6500 RPM Range. It was only designed for Chevrolets high-performance vehicles, such as the Chevelle and Corvette, and there were claims that engine horsepower output was actually underreported by Chevrolet during the muscle car wars. I think I am going to swap on a good set of aftermarket heads and change out to an Edelbrock Pro Flo EFI. The Vortec 454 was touted as having substantially more power. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. 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. At times I get a dtc for bank 1 and 2 too rich. Even better than the big peak gains was the fact that the cam swap . Would this work on 1996 7.4L L29? Though larger than the previous 7.4L models, the unique 8.1L could not utilize the amazing array of performance parts available for the previous three conventional big-block models. It is not 4x4. Buy your ELGIN Industries HL-7003S Hydraulic Roller Valve Lifters set at Amazon. 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. When it shows 55 MPH your actually going about 57 to 58 MPH. 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. 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. A restrictive or clogged air filter makes the engine work harder to breathe, which reduces efficiency. I THINK I want a diesel until I look at the prices. Having tried the things you already have, I am pretty confident the issue is the PCM. Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. My next upgrade is going to be exhaust. The same 290 horsepower that was standard for all GM cars in 1980 was maintained throughout the decade. We don't however specialize in forced induction applications so we would not be able to help you with that. Headers suggested. 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. 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. 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. 1999 Crew cab dually, 454 vortec, AUTOMATIC. Originally Posted by PonyKiller87 Ok, sounds just like swapping over the 96-00 vortec 350 to the 0411 as far as the wiring goes. Been reading the net the last few days on power upgrades for my truck after reading the "best year diesel" thread on here. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. Cost would be $495. I called Banks Power last week to try and find out what they recommend. I have a uhaul topkick with the 7.4. 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/. Its 567 horsepower of usable, reliable, fun power that anybody on a budget can build. Find many great new & used options and get the best deals for BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD at the best online prices at eBay! I just ordered an ECM for my 7.4 and was curious on if you guys did this tuning on the 5.7s? Great motor and runs strong with gobs of TQ. . The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. The Vortec 8100 was built off of the GM 454 engine platform, also known as the 7.4 Vortec. If it is a 1998 then yes you can. It went through different upgrades over the years finally ending with the 454 Vortek which stopped production in 2001. You are using an out of date browser. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. If I order a ecm reprogram will this fix my speedometer error too?? 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. 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 air filter is easily removed, cleaned, and reused. We can also take care of the TQ management for you. This is a stock style setup, featuring a 4.000" stroke and bore sizes ranging from 4.250" (standard) to 4.375". Thanks. Not sure if you have any other issues causing low power though because it should outperform the 5.7L, especially towing. You can definitely hold on to your PCM, that is not an issue. 496 cubic inches. 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. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. 2. Im 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 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. They also installed roller lifters, heavy springs and chain/gears. A few weeks ago I bought a very low milage 454 Gen. VI L29 Vortec engine with hydraulic roller. This upgrade will not only improve overall top end power but it also . I have a vortec454 in a non smog az tow vehicle. We do not go further back than 1996 (OBD2) modules, sorry. I am doing a full engine swap from a damaged motorhome to my older motorhome. 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. cam with matching torque converter and headers would be easy. Is the pcm that is used a 411? Use for stock replacement OEM original equipment. Just worth mentioning. We gain on average 45-50 horsepower and 50 ft. lb. Free shipping for many products! These 454 7.4L engines tend to respond pretty well to camshaft changes with good grinds that are designed to produce low and mid-range rpm torque increases. 95K views 2 years ago WESTECH PERFORMANCE GROUP LETS TALK TORQUE! Explore Our Forums. I have a 2000 OBS Chevy quad cab with a 454 Vortec. For a better experience, please enable JavaScript in your browser before proceeding. BBK Performance Parts 1710-XD GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. Thank you. 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. Howards, Hydraulic Roller Camshaft, Chev BB Gen 6 454-502, GM, Chev BB Billet Steel Hyd. Yes, we tune for 87 octane unless a higher octane is requested. Do a 12 swap and be done. Are the tunes generic or do you change different things for different people? as far as the cam, make sure that year didnt have the core support going down the center of the rad (pretty sure it didnt). Typical turn around is 3-4 days, sometimes quicker. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. It won't hurt anything to run like that. We can easily do this with the specs you provide. If you choose the core option we will program an ECM here and ship to you. If you can supply me with your VIN and any part #'s that are on the ECM I can do some research. I read in earlier questions asked that you had stopped doing the earlier ones. I was interested in your tune for this engine and was wondering what your best guess on the horse power / toque gains would be. We use the original black box PCM's. Buy in monthly payments with Affirm on orders over $50. The 7.4L was originally offered in three versions: the LS5, LS6, and LS7 (which was never offered as a factory option to the general public). 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. Gains will be on par with what we achieve with the RV's so it will very well suited for towing. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. BBK Power Plus 80 millimeter Throttle Body for GM Vortech 305/350/454 for all BBK 1996-1999 GM Vortec 305, 350, 454 throttle bodies are designed to increase airflow and improve horsepower from between 7-12 HP depending on the vehicle and . Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidays, If you will be sending us your ECM for reprogram you will need to select "Remove Core Charge". Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. That represents a 70-percent increase in horsepower. 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. Heads, intake and headers would definitely wake it up. Truth be told, Vortech offered a number of Maxflow Aftercooler systems but we selected an intercooler core we had on hand for testing. Switch to a lightweight synthetic oil. HotCars covers all things automotive: the latest auto news and informative reviews on the car, pickup truck and motorcycle industries. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. If you are wanting to keep the truck otherwise stock, the tuning would be your best upgrade to boost the performance and it would definitely help the low end where you are wanting it to. A restrictive or clogged air filter will force the engine to work harder to breathe, which makes it less efficient. Stage 1 Upgrade for Mercury 525 EFI. Dodge RAM 3.0 Ecodiesel Performance Upgrades Guide, Best Ford 6.7 Powerstroke DPF Delete Kit Upgrade. If you want to send your PCM in that you know is functional, that is the best way to do it. Chevrolet 7.4 Vortec was a modern-day improvement of the firms most legendary big block. I have a few questions so bear with me here. It is $495 if your sending your core/pcm in first. 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. JavaScript is disabled. 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. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. Seems like it's lacking power towing my boat. Also how much benefit do you think I would gain by going aftermarket catback exhaust. At the relay the Orange wire is hot with 12 volts continually. I am of the same opinion that the UltraPower programming is going to be by far your best "bang for the buck". (454 used only MAP) 2. The old camshaft came out, too, with a meatier hydraulic bump stick with 0.600 inches of lift taking its place. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. Thank you. Buy your Innovative Performance Chip/Power Programmer at Amazon! Performance. oh, by the way, this is a low mileage engine, single owner and I have taken excellent care of this truck. Step 2 Install a high flow air filter and cold air induction intake. No videos but your ECM is fairly easy to identify and replace. Weve seen a few 1996-1997 PCMs with this issue. 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. If you want to take full advantage of the cam swap then a custom tune will be needed to address that.