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. Whats the stock numbers on a Vortec 454? 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. 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. I plan on the injector and ignition work done in march. What are your recommendations?? I'm saving up for the banks power pack system. Every horsepower subtracted as a result of parasitic drag is one less horsepower that wont help your truck travel down the road. A stock 12v ain't got **** on a BBC. My next upgrade is going to be exhaust. Thinner oils allow the internal engine components to spin more freely and effectively, which improves their function. We set it for the best performance in all conditions, it is not user adjustable. 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. If you want to take full advantage of the cam swap then a custom tune will be needed to address that. I have a uhaul topkick with the 7.4. To others, the 7.4 Vortec 454 big-block was the perfect engine at the wrong time. from your CUSTOM TUNING,ECM, J'ai l'intention d'amliorer l'ordinateur de mon VR, par un model ULTRAPOWER mais avant d'acheter, j'ai besoin de savoir quels fuel injecteurs seront le mieux adapts ( conomie et rendement ) avec le nouveau module? 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. Oil collects on the crankshaft counterweights, adding weight to the rotating assembly (crankshaft, rods and pistons), reducing horsepower through parasitic drag. 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. Based on experience, we have had good results with Comp Cams 212/218 hydraulic roller camshaft. This is a lie. Yes, you can pay the $100 up front core charge and be refunded when you send your original back to us. We do not go further back than 1996 (OBD2) modules, sorry. Turn around time is 1-2 business days. Switched to Mass-Air Flow. 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. We are currently out of clean/painted cases for the PCM's. I THINK I want a diesel until I look at the prices. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. Boost your horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip compatible with your Chevrolet Silverado 1500! Any "recalibration" would require sending your ECM to us for programming changes. 454 L29 Power Upgrade. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. 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. 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. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. Now, that poses the question: what would you shoehorn this big-block Chevy into? We modify this so that it is still "safe" but definitely wakes the truck up. It was utilized in the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and Chevrolet Express. 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? It is quite a noticeable difference! Can you guys tune that ecm? Reference core exchange, what is the time limit for you to receive the exchange? There is a small red wire that has never been connected to anything. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there. . Injector type: US-CAR, saturated. Obviously different, but I still think the 454 has more to offer. Free shipping for many products! My question is that I have a 1998 7.4 parts truck. Thank you. 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. I have a vortec454 in a non smog az tow vehicle. See listing details. $199.95. Sorry I dont have the VIN, the truck is not local, I have a 1998 2500 7.4 Vortec GMC Suburban. 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. If you want to send your PCM in that you know is functional, that is the best way to do it. As long as you don't have any emission systems removed, you will pass without any issues. 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We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. He could even be found working on tractors or hay bailers while on vacation at his uncles farm. Thanks. m) at 3200 rpm. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. The performance chip is fully compatible with your Chevrolet Silverado 1500 in all trims, including the 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L and 7.4L engines. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. This ignition system upgrade will allow you to set your distributor for a little more timing advance. After selecting a motor, we set about making the necessary changes for our test. Even so, this engine was built primarily to provide huge towing power for CAFE-standard exempt vehicles, so there remains some room for improvement. It is bone stock except for tow mirrors and Kodiak door handles on all 4. Mark McNabb was a contributor at TopSpeed from 2013 to 2018. 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 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? Also, is shipping included both ways? That being said, the threads on the net are pretty old. 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?? Gains with the modifications you have done would be around 45 HP/ 45 TQ. It won't hurt anything to run like that. FULL RESULTS-GEN 5 454 UPGRADE-STOCK PEANUT PORT HEADS. Also I have Thorley tri Y hearers on mine will that effect the tune? We don't however specialize in forced induction applications so we would not be able to help you with that. my old part number on ecm is 16263494 on 1999 454. Some parts are not legal for use in California or other . It has an ohv configuration with two valves per cylinder and a bore and stroke of 4.24 inches x 3 on the intake side. The compression was plenty low for use with the blower, but the extra power it provided would eventually be multiplied by the boost. I assume the module is a pre-programmed ECM chip that replaces the stock ECM chip. Thank you for any information you could give me. I have a 1996 C3500 crew cab dually with a 7.4. Vortech Superchargers Is there any way I could send you that one as a core in return for one to work in my 2000? 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. The UltraPower ECM performs very well on both stock engines and ones that have been upgraded with other modifications. I just put the k&N system on my truck made a huge difference in sound and performance I would deffanitly recomend spending the $250. Yessir! Cost is $395 plus a $175 core charge which is refundable. Programmers. 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. I have been watching lots of posts and things get carried away very quickly about getting big big hp. 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. I sprayed starter fluid in the tbi and it fired up for a few second. I own a 1998 Safari Trek 2830 P32 chassis with an L29 28'7" Class A RV Drivetrain it s completely OEM.. We will set the tune up based on your modifications and requests. Free Shipping over $199* Same Day Shipping before 7pm* Price Match Guarantee Free Shipping over $199* Same Day Shipping before 7pm* I'm interested in the available upgrades for the vortec 454. Also how much horse power and torque do these motors have stock? $399.99. When it shows 55 MPH your actually going about 57 to 58 MPH. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. Do a 12 swap and be done. $360.56. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. If it does work what would do for pulling and climbing hills? Vise grip, needle-nose and standard pliers. watch out for chips as they just bump the fuel curve. Whats left, though, is a 454 cubic-inch big-block Chevy with huge potential. It will not void your factory warranty, and does not modify any emissions systems. 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. 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. Is the pcm that is used a 411? Nothing I was finding really listed ACTUAL upgrades. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! You may also like. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? is this unit ready for plug and play. Your email address will not be published. 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! The valve train is OHV with two valves per cylinder and multi-port fuel injection for fuel induction. I have a 1999 Fleetwood Flair with a 7.4 Workhorse. Yes our tuning does work for trucks as well. We do not, however, have core PCM's for this engine so you would have to send your PCM in for the flash. Truck is stock otherwise and runs good just looking for more out of it. It has an ohv configuration with two valves per cylinder and a bore and stroke of 4.24 inches x 3 on the intake side. Don't know how tuning would work. I tow a large fifth wheel trailer with RPMs between 1800 to 2500 typically. Thanks. I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. Yes, as long as it is a "J" (8th digit of the VIN) Vortec 7.4L, we can tune it. 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. 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. After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. 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? 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. torque so it will definitely be able to hold the upper gears better when hill climbing and have improved acceleration. 7.4 chevy engine in georgia boy pursuit motorhome. 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. high flow intake elbow, filter and MAF New 2-Piece Intake Manifold w/Long Intake Runners 7. 98 Single Rear Wheel 3500 7.4 Vortec. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5. This is a crew cab, 8 foot bed. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasnt a big surprise. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. 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. a good set of headers help to. 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. Best of all, this engine will make that power all day long without the threat of grenading under the stress of a turbo or supercharger. If it is a 1998 then yes you can. Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. I have Bosch Gen III injectors; Volant Air intake; and 3 exhaust. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. And i was wondering what benefits will i see with my 454 i have a new jasper motor with upgraded injectors and full exhaust. Only a set of dyno headers and an electric water pump were different. However, Chevy still offers the 454 big block V8 as a crate engine. The LS6 was discontinued after 1971 because of tighter emissions controls, and the LS5s power had dropped to about 245 horsepower by 1973 as a result of more stringent emission standards. It is an all-iron engine (block and heads . Chevrolet Performance 10141280 Part Number: 809-10141280 Chevrolet Performance L29 Vortec Cast Iron Cylinder Head L29 Vortec Cast Iron Cylinder Head 1991-2000 Big Block Chevy Gen V/VI Engines Only Bare Head Sold Individually View Details $756.99 Ships on 03/02/23 FREE Shipping Lowest Price Guarantee Add To Cart We require the VIN so that we can pull up your vehicle's specific parameters and create a truly customized tune for your vehicle. 1997 gmc 3500 cc dually. 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. Cost would be $495. as much as possible im going to do a cam exhaust and injectors and intake so my questions are what do you think my gain would be with your pcm and can it be piggy backed with a plug in tuner thanks matt, would i be able to get a retune if i add a cam after, and what is the turn around time, thanks. You claim 40-55hp gains is that something that I will notice drastically or is it more of a subtle power increase? In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. Pindar We can adjust for speedometer error. BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built . 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. Check if this part fits . The engine receives cooler, more oxygen-dense air through a chilly air induction system. Following up from previous question, here is the VIN 1GDG6H1BXYJ907917 and #s off the ECM, 09384681, sev. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. You can pretty easily get 400+ horses out of that thing and it be streetable. To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. There are a lot of variables that play into the exact gains we can achieve but I would say somewhere around 45-50 HP and 60 Ft Lb. 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. The 454 Vortec is the last in a line of one of the most successful classic engines in GM history. I THINK I want a diesel until I look at the prices. Don't worry about what a camshaft may produce at 4000-5000 rpms in truck engines like this - YOU DON"T DRIVE THERE! We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. 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. Is it not the same motor from 96 to 2001. He eventually figured it out. The old, weak 240 HP 454 is every bit as. The stock injectors are fine for our performance tuning. will your new part ecm work on this motorhome. Please contact us directly to set that up at 800-417-4559. CAN YOU REALLY MAKE DECENT POWER WITH A SET OF PEANUT PORT BBC HEADS?. 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. I have a 2000 OBS Chevy quad cab with a 454 Vortec. As long as the engine is well maintained, reliability is not affected. will i notice anything? 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? My car is GMC pick-up 7.4L 1998. it is manual transmission. Even better than the big peak gains was the fact that the cam swap . BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS THROTTLE BOD. This thing is weak as water. 2023 Power Automedia. Windage trays are thin, sheet metal plates that bolt to the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights. Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and its reading about 1000RPM. Please just leave in the order comments your requests to be done. 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. I installed a K&N replacement are filter in the stock air box. Can i tell if my RV has this already? 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. Would the retuned ECM provide any performance gains above what are present now? My question is what cam you would recommend for towing? In an effort to further drop the inlet air temps, we installed a makeshift air-to-water intercooler. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! 1 cat is gone already and the other is gutted i am taking it off next week when i get a chance. 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. 7.4 Vortec Specs Chevy based the 7.4 Vortec off their 454 big block engine, hence the name 454 Vortec. I have a 2000 GMC school bus with the L21 7400 motor. O-rings: Top and bottom, 14.5 mm - Viton. This is only 1 of the many changes that we make with our programming to achieve great power gains. We are currently waiting on more ECM's to come in to be able to provide them on exchange. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far. 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. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. Other #s not sure what they are if theyre useful, 86DAFMM0017433PS, HDW # 16239740. I know they were installed in trucks from 96- 00?. I borrowed a friends TBI 454 dually to pull my blazer one time and it impressed the **** outta me. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. 3. Free shipping for many products! Hi Warren, that is definitely something we can tune for. We can do the tune now with the Banks kit taken into consideration for down the road. 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. The peak numbers jumped from 791 hp and 713 lb-ft with no intercooler to 847 hp and 761 lb-ft with the intercooler. We can accommodate your requests for the oxygen sensors, speedometer adjustment and increased HP/TQ. CHEVROLET 7.4L/454 - Free Shipping on Orders Over $99 at Summit Racing Departments Restoration Stock Replacement Street Rod Shop Departments Air & Fuel Delivery Books/Videos/Software Brake Systems Chassis & Suspension Cooling & Heating Engines & Components Exhaust Exterior & Accessories Fasteners & Hardware Fittings & Hoses Gaskets & Seals Short tube headers won't do anything for you but long tube headers would he beneficial. Any thoughts from you technical guys? So, what are the most common problems with the Chevy 454 Vortec? Edlebrok performance heads with factory Combustion chamber size 100-110cc, valves set for .700 lift, I-2.190 E-1.880, 3/8" guideplates : http://www.summitracing.com/parts/EDL-60499/ GM Vortec EGR blockoff plate p/n is 12554606. Apr 9, 2008 #4 7 70SSman Veteran Member Aug 11, 2005 134 Amston, CT, USA 100$ with low miles. 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 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! GAS MILEAGE. I am upgrading the fuel injectors with the new Bosch III's and the plugs and wires. The vin is for a 2004 gmc 1500 with a 5.3 vortec. Hot Rod decided to bolt up some typical speed parts. merci. Jump to Latest Follow . Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. Typical gains are 40-45 horsepower and 45-50 lb-ft torque, 4. 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. I like my shift points where they are. This engine has two valves per cylinder and features multi-port fuel injection. Performance Street, great low to mid-range. If I send yall Parts list of what kind of cam, injectors, pistons, etc. The L29 454 was originally rated at 290 hp and 440 lb-ft of torque thanks to a combination of fuel injection, large oval-port heads (to replace the peanut ports used in the previous Gen V motors) and a slightly higher static compression ratio.
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