Tbi 454 performance upgrades

4L). 7L, 7. no use in mpg with a 454 IMO. 4 heads on your TBI short-bock would provide a small improvement in power. 2:1 compression ratio, the engine has cast iron cylinder heads and a cast iron block. 95. We'll be driving in some higher altitudes (~10,000 Mar 23, 2016 · Get the Best Performance with JEGS Billet Adjustable TBI Fuel Pressure Regulator Fits: 1987-95 GM truck (4. 305 heads should be considered for any third gen owner trying to get the most out of their 5L as they flow much better. lbs. TBI recommendations for the TBI vehicle owners whether you have a good running vehicle that your just looking to improve with electric fans conversion or other gas mileage improving modifications to changing cams and exhaust to full blown engine replacements and swaps. Turbo City could modify the stock 305 / 350 TBI to flow 670 CFM, which is what I'd recommend doing for a 350HO engine. Maintains speed and higher gears when climbing hills. May 6, 2013. 7:1 for 60sec under WOT before it starts adding extra fuel to get 12. Sudbury, Ontario. I'd recommend using the PROM chips from factory police vehicles. The stock 454 TBI units can flow 670 CFM. It safe for both gas and diesel applications and all conventional or synthetic oils. May 2, 2005 · Tbi Mods. Distributor. 4L 454 Engine. I did something similar, but only because I changed motors from a TBI to a MPI and needed more PSI. A conversion crate engine kit, which will allow the removal of the factory fuel-injection, can be had for about $2,800. 0 but aspiritions of 5. 4 Vortec performance upgrades is tuning. Larger Volume fuel pump 190-255 lbs per hour are normally used most applications. I've purchased a 1991 K1500 with the 5. So the pistons that were installed in the engine are L2349 which were a ls6 replacement piston and when paired with 119cc chamber give around a 10. However, on the 1996–2000 7. According to Bryan’s Garage, various Chevy 454 performance upgrades are available to boost the block V8’s operation, like cold air intake manifold, exhaust system, performance chip, ignition system, oil system, and windage trays. 73's. x2. Howell TBI Conversion Kits Now Available for 1974-1993 Dodge Ramcharger and Plymouth Trailduster SUV. He has a 1/2 ton 4wd Chevy and it's a 1988 model. Aug 22, 2018 · 132. CFM-Tech Power Plate for 4. You dont buy a 454 truck for gas mileage, you Jan 3, 2013 · NJ. May 20, 2023 · Factory Performance & Engine Design. Part Groups. The bottle has some handy increments on it so with ten and a half ounces, we're going to run it down just below the six ounce mark. Even without porting or valve work they will add around 30hp over the swirl port TBI heads. Free Shipping. GM 4. View Details. higher and it had the L480E transmission coupled with a 4. Thats why you see alot of those trucks with cracked exhaust manifolds. The throttle body is a critical component of your vehicle's air intake system. 7 TBI Injectors. Upgrading the exhaust is very worthwhile. 22. 75:1 stock compression ratio to a more desirable 8. This was a big block engine but its throttle body can be implemented onto your small block set-up. 3. I've been on the forums here and there over the years. Tbi chevy rebuild sbc v8 gmChevy tbi performance Tbi conversionTbi changes year. Jul 4, 1995 · TREperformance sells new superchargers and supercharger systems from ATI Procharger for almost any GM vehicle including the 1988-1995 GM Truck/SUV 7. Options that include additional parts are offered in different levels up to just under $2,600. Feb 9, 2011 · 7 posts · Joined 2011. 400+ HP and 500+ TQ is certainly not unreasonable for a TBI setup. I put some RECOMMENDED 350 TBI MODS. It opens and closes in response to driver input through the accelerator pedal. The. Add a small cam, a decent exhaust, and a set of headers and the power will come up noticeably, along with efficiency. Or call summit tell them what you are gonna do with the truck and they will give you like 80 choices. Price: $91. Then I put 1. Some of the most impactful chevy 454 engine upgrades worth considering include: Holley Sniper 2300 EFI Kit - Shiny or Black Ceramic. Elevate your driving experience with ProCharger Superchargers’ for the 1988 – 1995 TBI (5. B. And now for the best part: upgrades! Yes, the 454 is the perfect block for performance enthusiasts or anyone wanting to enhance the reliability of their stock setup. 06- and 1. I'm thinking 2. 7 GM Tbi w Dual Air Cleaner Studs. 4L/454 Throttle Bodies and get Free Shipping on Orders Over $109 at Summit Racing! Jul 13, 2006 · TBI 454 255hp @ 4000rpm 405 lb/ft torque @ 2400 rpm. The engine is a rebuilt (new pistons, rings, crank grind, rods re-sized ect. #1 · May 8, 2012. The 454 aircleaner had a built in power bowl. 4. I'm a newbie to the Gen V motors and What I'm hoping to accomplish is specific head upgrades whether it be aftermarket or factory from a different generation, also discovered viktor reinz doesn't Edelbrock Total Power Package 676 HP Big Block Chevy Top-End Engine Kits 2078. Look for castings 14014416, 14022601, and 14101081. Go to Dynamicefi. Top End Engine Kit, Power Package, Intake, Heads, Cam, Timing Chain, Head Bolts, BB Chevy, 676 HP-649 TQ, Kit. Throttle Shaft: The throttle plate is attached to a shaft May 3, 2021 · I need to prep for a 4,500 mile trip with a newly acquired Winnebago Motorhome. I am building a TBI truck engine for a friend of mine. 4L V8 is an exciting engine that also offers tons of potential. Alberta Canada. Feb 20, 2014 · Hey there, my name is Chris. Either way you'll want to upgrade to adjustable rockers (comp makes a conversion kit to get to 7/16" studs). With a 9. Yes, I have heard or some people using the 454 TB and/or injectors when swapping to larger cams and engines. Tiny heads, no compression, poor fuel injection, computer controlled ignition timing, terrible intake manifold, enough sensors required to make it annoying to wire up. of torque on the dyno. 1 with stock iron TBI 454 heads and that same 211/219 duration camshaft or something similar will yield almost as much horsepower and more torque for less money. I run the 454SS "hot cam" from scoggin-dickey. 1211 posts · Joined 2009. I do not have any experience with aftermarket PROM chips. At 4,600 RPM, it has 195 horsepower and 280 lb-ft of torque. I need to update everyone on the progress of my TBI upgrade. 454SS (91-93) and 94-95 3/4 and 1 ton trucks used 90 lb/hr injectors at 28-32 psi (high pressure system) Vortec L29 454 290 hp 410 lb/ft torque. Availability Date Unknown. 889 posts · Joined 2003. Purchase a Chevy 454 crate engine online from JEGS High Performance. It has something to do with replacing your fuel pressure regulator spring with a different one and adding some kind of throttle body spacer. 1 compression ratio. Well, 8:1 compression leads to glowing exhaust manifolds, with cracks, excessive coolant temps, with the attending coolant system damage, low power, and poor fuel mileage. Irecentl came across this kit on the internet that clams you will gain about 40HP on your TBI engine. Jan 26, 2019 · I'm going to completely redo the exhaust. Engine Size. SMALL is the key word for the cam here. 1 liter (496-cid) V8 that was in production from 2001–2006. Using the Sniper EFI 2300 you can put an end to cold start issues, hesitations, vapor lock, and flooding on your Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more NEWS & TECH. For a plain jane Sierra, not bad in my opinion. 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. 4L Equipped Trucks And SUVs or shop our full range of replacement auto parts, performance auto parts and automotive accessories. rvmorsemachine. 4L engines. Jan 5, 2024 · Hey guys, I got my hands on a clapped out 1992 silverado 2500 this summer, fully loaded with stock 454 Tonawanda TBI, Long story short it's a really neat truck to run around in, but at 360k kilometers shes tired, looking for answers to freshen the engine up (all small and big ideas welcome) and maybe a few ideas to get the tires burning a Feb 2, 2014 · Well the EST wire needs to be unhooked first them hook up a timing light then go 2-3* advanced then shut off and re connect wire then start back up. If I tap the throttle, the truck lunges forward but if I try to give Apr 1, 2010 · There are ways around that by using a GM Performance Parts aluminum intake that bolts to the Vortec heads and features a stock mount for the TBI. So I begin every project with a new upgraded Jun 18, 2023 · 1) 411 PCM Swap. Jun 5, 2014 · There is a 60 sec delay on power enrichment which means its at 14. 6 rockers. The size of the injector will tell you what horsepower you can possibly achieve. ) 5. The TBI motor also came in a 350 version in Chevrolet Caprice Classics. 454 HO Engine. I've done a little research, but I get conflicting views from different folks as to what modifications to make concerning the TBI unit, intake manifold and ecm prom upgrades. I have a '91 K2500 7. Its designed to run with the 454SS pickups. My plan is to change the oil and transmission fluid, and install new accessory Belts. All the same features as our #PP-100 (to the left) but with custom hardware to mount the dual air cleaner hold down stud applications. The link to the kit I found is listed below. "I" would just put the TBI intake manifold on the Vortec long-block, install the TBI distributor, and connect everything as if it were a TBI engine. #9 · Jul 20, 2010. TBI-equiped motors included the 4. 96 for all but the carb. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! That These heads and our Multi-Point EFI on a 7. Just for a start. For smooth functioning, the 4. [ Music ] Alright! Aug 1, 2023 · The 4. by Alan Roehrich » Mon Nov 07, 2011 5:00 am. Performance Parts. May 3, 2012 · Recommended: 454 TBI Base, Edelbrock performer TBI machined for 2" barrels, Adjustable fuel pressur regulatore, CFM-Tech super sucker TB spacer for 454, Heads ported on exhaust side, long tube headers (with Heated 02 sensor) 2 1/2 duals, or 3" single exhaust with straight through type muffler. The cylinder’s bore and stroke are each 4. Results 1 - 20 of 20 95 454 TBI Performance & Upgrades. TBI CHIPS Home. Part Number: EDL-2078. I Big Block Oct 28, 2012 · The TBI PCM can be reprogramed by a custom burnt chip, replacing the factory prom chip. 5" true duals with long tube headers, no cats. #8 · Dec 13, 2009. Mar 19, 2019 · Lots of parts out there. The intake is PN 12496821 ($370 from Scoggin-Dickey). 3L/305/350/454) 159050 parts at JEGS. I've had two other 454s and they both responded well to a little more advance in the timing. Howell EFI Launches New Website, Introduces Free Shipping and March Madness Promotion. So Just what is TBI, stands for Throttle Body Injection used by GM in the early 80’s through 1995. Jun 5, 2023 · Scrapyard 305 Head Upgrades and Mods. '90-91's had TH400 and 3. First off, I snagged a used 454 throttle body off ebay and sent it out to www. Lowest Price Guarantee. So I figured I do abit of research, possibly improve gas mileage, or hell, make more power!! 2 days ago · Find CHEVROLET 7. With 5. 178 rear wheel horsepower. Using the Sniper EFI 2300 you can put an end to cold start issues, hesitations, vapor lock, and flooding on your Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more Dec 25, 2021 · TBI era is literally the worst starting point to upgrade, as everything but the 4 bolt block needs upgrading. Upgrade exhaust: replace your stock exhaust system with a high-flow unit to maximize power and fuel efficiency. Recommended for stock and mildly modified engines upgrading to EFI. Another thing they have no timing in it lucky to see 13 degrees in the heavy load areas. Nov 30, 2023 · That manifold developed a coolant passageway leak from its previous life and neglect. 3 Vortec engine also has a balance shaft. Chip must be programmed to work. Both the block and cylinder heads are cast iron, and it has a 9. Grab a TBI rebuild kit if you do the ultimate TBI mods, the filters under the injectors on the pod need to be replaced and the pod gaskets can be Feb 18, 2008 · I'm leaning toward using an Edelbrock intake manifold, and 454 throttle body. These ultimate mods increases flow to 500cfm which maxes out at 275hp before it starts restricting power. unstable said: Funny how I hadn't been on this forum for several years and here I am right back at it. the cam was better, intake valves bigger, the compression was. com as they have a setup to convert the stock TBi ecm to a flash memory and have tuning software. Rather than spending over $2000 on heads, I have found that using a flat top piston 496ci stroker kit and fixing the pitiful 7. Welcome to TBI CHIPS throttle body injection services. 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. Usually takes time on a dyno and someone who knows how to burn chips and some $$$ to get things right. Exhaust, better intake,royal pruple oil, and a intake pieced together from vatozone. 4L/454 Intake Manifolds, Fuel Injected and get Free Shipping on Orders Over $109 at Summit Racing! Individual Parts. I want to build another block in my garage as to leave the truck operational while the motor is being built. 6 full roller rockers on it. Jul 25, 2019 · Alberta Canada. 7 Engine. Oct 5, 2020 · If you pick up a 454 and it eats/leaks coolant it's likely coming from the lower intake. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. Edelbrock Performer 454 Apr 29, 2006 · A Good Mod List. TC Member # 4431. 400 LB-FT of FW-TQ will turn anything into a blast to drive, especially a light 2WD RCSB, and you'll have plenty of grunt to pull loads, one of the best things about a TBI setup. Sep 3, 2020 · lets talk torque! full results-gen 5 454 upgrade-stock peanut port heads. 4 Vortec, this presents a problem. The 454 SS trucks ran dual exhaust setups and a little different spark map and were up 20 HP and 20 TQ over any other 454. If you are running the stock two barrel tb it at least needs the leading edge ported. 500" lift. can you really make decent power with a set of peanut port bbc heads? check out thi V8 engines with Head upgrades need the bored throttle bodies or you will lose power you paid for with those heads. Gains of 1/2 - 1 MPG. Just keep it stock, stock tires and keep with maintenance clean the egr vavle, run some seafoam through the intake to clean some of the carbon buildup out thats restricting flow, keep tires at right psi, ect. The 2 1/8 " tb is much better and flows 670 vs. Posted by u/CrazyJJ007 - 3 votes and 5 comments Nov 5, 2011 · Re: 454 build for towing. The 1996-1999 (trucks,1996-2002 vans)Vortec 305/350 is called CSFI (central sequential fuel injection) it run a 2 piece plastic upper plenum and an aluminum lower intake manifold. Im doing research on mods for the 454 to upgrade its performance. 7 Vortec upgrades, as usual, comes a cold air intake to improve the power and performance of your vehicle. Cam is advanced +2 degrees with a true roller Apr 3, 2024 · Tbi injectors test1991 gm 7. 4L engine made 353 hp and 457 ft/lbs. 4L kit part number 1GE212-09I HO intercooled system with P600B head unit. Thread starter mistaake; Start date May 21, Dec 12, 2009 · WildWilly4x4. 114 or more I think on bbc. Estimated Ship Date: Jul 8, 2024 if ordered today. 7L 350CI TBI V8 along with 4x4, it has an extended cab and standard bed. Post up the specs on those cams. I'm going to get some Gen VI Vortec heads for it to bump the compression, an aluminum intake, Ultimate TBI mods, EBL, Vortec fuel pump, and upgrade the valve train (adjustable, 3/8" pushrods, etc). Getting rid of the factory tune is almost always a great way to free up some extra horsepower and torque and gain some fuel economy. IIRC the engine was at only 500 hp, which was very sensible in an engine that needs to run at steady high speed cruise rpms at high power all-day-long. Aug 25, 2010 · Currentaly a 5. The Vortec 454 uses 8 24 lb/hr fuel injectors that are sequentially fired. • Highly durable (customers typically report 200,000+ miles) Feb 24, 2017 · A Vortec 7. Part Number: RNB-977-809. Will this work on 1989 rs camaro 5. Parts cam. I've tried searching for some things, but found very little information. The 454 HO crate engine boasts 438 HP and 500 lb-ft of torque. Oct 4, 2017 · Im not sure what the stock TBI pump is rated at, but for the FAST kit, you need at least 43psi, and Im assuming the other systems would be similar. This engine series was utilized on Chevrolet and GMC large truck models such as May 4, 2023 · With over 50 years of history to unpack, the Chevy 454 7. Fuel filter. The engine displacement in liters is 7400, which is readily changed to 7. May 5, 2002 · The stock 305 / 350 TBI units can flow about 505 CFM. From what I've learned the ECU has a PROM memory, a one-time programmable chip that stores the base tune and adjustments are done on the go using inputs mostly from O2 sensors. My 93 K2500 454 experience: Nov 16, 2011 · A cheap upgrade for the cam is a ZZ502 take out or from Summit and if you find some 454 HO heads you could basically clone one pretty low buck. Every vehicle has a factory-installed air intake system. The base JEGS replacement 350 TBI crate engine can be had for around $2,000. Nov 16, 2006 · G. 4 liter 454 TBI. I recommend upgrading to the 1996 Vortec 155lph fuel pump which can support up to 450hp and plugs right into a factory TBI sending unit. The heads that are on the engine are 10114156: ’91 and later oval port, open chamber, 2. Advancing the timing seems to wake 'em up some. 4 vin 4 Truck to the iconic 350 series, addressing the needs of a diverse range of Chevy vehicles. 10 rear end. Stock TBI unit flows 450cfm and that maxes out at around 250hp. The list includes: less wimpy cam, hydraulic roller lifters, Edelbrock high compression heads, Edelbrock TBI intake, injector spacer, shift kit, long tube headers, 3 inch H Upgrade your Chevy engine with our reliable engine rebuild kits, perfect for restoring classics or enhancing your daily drive with top-notch performance and durability. If the stock pump can handle that Im sure it would be fine. 3/5. 72-inch valves. Used on Gen V and Gen VI 454ci engines. 4L/454 Computers, Chips & Programmers and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Dec 8, 2004 · The heads from a later ('91-95) TBI 454 will bump you from the 230 HP you're rated to 255 HP, but that's a lot of effort for not much gain, and all the gain is at high RPM where that 454 would rather not go anyway. I have a very mild setup in my truck, making about 300HP and 400TQ (at the flywheel). My biggest question is on the cam selection. Chevy techs recommend loctite, my Gen 6 engine building book says pipe dope. Feb 2, 2014 · 2,800. Unknown member Discussion starter. . Not Yet Reviewed. Well, these Holley replacement TBI throttle bodies for GM applications meet that standard. models. Another TBI motor found in trucks was the 7. V30 CC SRW Conversion. Part Fitment. Jan 6, 2013 · bighoss77. May 13, 2023 · Hi, I'm trying to find out what are the options for tuning of the 1990 TBI system these days. 7. Apr 12, 2010 · T. I am also using Edelbrocks TBI BB intake. 3 TBI you can add GM 5. #4 · Nov 16, 2006. Semi Universal. 75-9. It was naturally aspirated and gas powered, and made 320–320 horsepower and 440–440 lb-ft of torque. Recommended 305 TBI modifications. Look for stainless steel construction for longevity. 3 liters in displacement. -Use blue loctite, or pipe dope, to seal the intake manifold bolts when you tighten them down. The mistake most people make is buying a bunch of mis matched non computer frendly performance parts and trying to get a stock or aftermarket generic chip work with them. The 1987-1995 injection was TBI and used 2 injector that sprayed into the wet intake manifold. Jan 25, 2012 · Truck Model. Mercury Marine had a dual TBI setup atop a supercharged marine 454 a few years ago. I think its @ $120 with lifters. Aug 16, 2010 · This was one of the first mass-produced fuel injection systems on GM trucks starting in 1987 for the final year of the square box body style. Loading. But. 3L GM/Chevy Engine for Sale | GM/Chevy 4. 4 liters. 4l 454 complete engine tbi Tbi systemHow to test your tbi injectors. Its an automatic by the way. com to get bored to 54mm for some decent air flow for this big block project. HP was up to 255HP and torque to 405ft. '67 Chevrolet Biscayne- SS427 L-36/TH400, '67 Hell Camino-BB 427/TH400 , '66 300 Deluxe 2 door-230/PG. Aug 26, 2005 · Its not hard to build a TBI engine to make good power. Drop Ship. It fires right up and runs pretty well. Northern Auto Parts features a wide selection of Chevy engine kits, from the 2. I bought a 3704 and had it bored to 2". 454ss said: there is nothing to be gained just get a stock replacement. Make sure the cat isn't plugged, the fuel filter and air filter are clean, the cap, plugs and wires are good and the timing is Oct 6, 2016 · I have wasted lots of time and effort on tbi engines. (Owned a C3 Corvette, multiple C5s, a C6, and now a C4) I am looking for some of the best bang for the buck performance upgrades for my 84 Corvette. I'm not sure if there 's a specific thread on this or not but I'm hoping to gather some info on upgrading a gen V 454. UltraPower 7. Enginetech ES336 is the cheapest I have found and I have a customer using one in a Camaro TBI 305 with exhaust and air filter upgrades and making 225hp at flywheel. Better yet, you may have added the performance equivalent of "Big Foot" to your engine Jan 10, 2010 · 1. 88'' exhaust valves, ARP 7/16'' diameter rocker studs and ductile iron seats with a three-angle valve job. Dec 5, 2023 · Buying Guide On Best 350 Tbi Mods . 1987-1991 were still SLOW computers with tiny chips limiting what can be done with the system. 4-liter 454-cubic inch V8 big block, which produced 230 horsepower. If it starts to ping under load retard it a little (or buy 91 or 93 octane gas),maybe a degree at a time. Howell EFI Introduces TBI Conversion Kits for Classic International Harvester Scout Trucks. The first recommendation we have for 7. It's sitting on a Chevy P30 Chassis (titled as 1995, but might be a 1994 model) with a Throttle Body Injected (TBI) 454 engine. Now I haven't actually took the truck for a good ride yet, but it is ALL original. 400+ HP and 450+ TQ will move that big body. My tips on the intake manifold job are. The bill: $3,699. We guarantee the lowest prices and offer free shipping on most items. Add To Cart. As soon as I got mine up above 9:1, all those problems went away. With our retaining plate removed, out Click here to buy Edelbrock 3563 Multi-Point Fuel Injection Conversion For 1991-1995 GM TBI 454/7. Take the stock one out and put your broom handle in there cut off excess. Location. Shop Now at the Guaranteed Lowest Price! Free Shipping over $199* Dec 27, 2023 · The cost of upgrading your 454 Vortec engine depends on the specific upgrades you choose. Mar 23, 2024 · Hello, I have put together a build list for my 1993 c2500 with a TBI 454. Special Order. The menu should give you some more options for recommendations for your Dosage is about one point five ounces of FR Three per quart of oil. 19'' intake and 1. The GM Vortec 8100 is a 8. Estimated Ship Date: Jun 25, 2024 if ordered today. . For GM vehicles, the Vortec variant increased power by 60 horses. 710-550-8 + Option (s) Holley Sniper 2300 EFI Kit - Shiny or Black Ceramic. #1 · Feb 9, 2011. 4L/454 Engine Rebuild Kits and get Free Shipping on Orders Over $109 at Summit Racing! Individual Parts. Dec 3, 2005 · How about a GM 845 or 846 cam and some Vortec heads with beehive springs and 1. I totally spaced on that, I upgraded to the factory aux battery tray on the driver side and isolated it with a 200 amp solid state isolator, full 4 gauge welding cable for ALL wires. May 8, 2012 · 690 posts · Joined 2011. Cold air intakes offer significant gains in terms of horsepower and purifying the air. 4 Bolt Main GM Factory Vortec, Edelbrock's Performer Multi-Point EFI. Mar 25, 2010 · 10. Its a GM Perf. In this guide, we discuss Chevy 454 engine specs, performance, reliability, upgrades, and more. 2. Tbi lives by wide lobe center so stay near stock lc. Couple that with a 2500 stall converter. Oct 28, 2014 · 2,334. The H. 3L V6, 5. I figure the abysmal compression ratio could be boosted to make more power and improve economy. The Vortec 7400 was based on Chevrolet’s 1995 7. GM introduced a redesigned body style the following year in 1988, which would last 11 years from 1988 to 1998. ect. #7. Find CHEVROLET 7. 1. 7L and 7. Nov 16, 2016. 7 injectors. Find 1994 CHEVROLET 7. 0 inches. 62. Disabling of emissions systems (for competition or off road use only) Custom tuned for modifications such as aftermarket camshafts, exhaust, air intake, tire size Oct 24, 2019 · Using this package, a 35,000-mile RV take-out low-compression 454 stocker made 560 hp and 530 lb-ft on Westech Performance's engine dyno, a gain of 225 hp and 45 lb-ft over the engine's stock A few companies now make new LT1 cams so this is the recommended route for 305 TBI engines. 0 tbi and how much horses would I be adding? Performer 454 T. Apr 26, 2017 · The misfire used to be accompanied by a jumping tachometer but the last shop replaced the cap, rotor, plugs, and wires (for the 3rd time) and the jump in the techometer went away, but the misfire is still present. 3TBI is 96+ vortec heads, Edelbrock 2114 Intake with a carb to TBI adapter, 454 TBI housing with larger 2” bores and start with your stock injector pod with 5. Torque454. 3 Vortec engine is a V6 with 4. fuel reg, ignition, and headers with true duals no cats. Put a 1" tall open oval center 454 spacer on it with a 2" bore 350 Marine TB and a 454 air cleaner and duct. It was run via a GM MEFI3 engine computer. Mar 5, 2004 · Most but not all were non roller blocks with similar power numbers to the LO3. It allows for better combustion and efficiency. 0/5. It consists of several key parts, including: Throttle Plate: This movable plate controls the amount of air entering the engine. Oct 3, 2017 · Topping the engine is a borrowed four-barrel Holley XP carburetor. 3 V6 OHV Engine Check Details Gm/chevrolet 454 l-19 tbi engine new- never ran, marine dress with borg Jan 10, 2010 · Upon more digging, the 1992 SS454 was a bit different from the '90-91. Available assembled with top-quality components that include 1-piece, stainless steel, 2. #8 · Jan 6, 2013. Yes down grade would be best:shaking::flipoff2: 3. Mar 1, 2004 · Pace Performance Products in Ohio put together a decent upgrade. 4L/454 JET Performance and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: REWARDS Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Jan 17, 2024 · Upgrades for a V8 7. I have a 1989 Chevy 1-Ton (C3500) with a 454 that is equipped with TBI. Kit includes new or remanufactured 2″ throttle bore TBI, all sensors, components, wiring harness, fuel pump, and ECM to install fuel injection on your engine. *Our primary focus in this article is the original 454 big block engine from 1970-1976. 4991 posts · Joined 2009. 6 roller tip rocker arms. 4L ECM Benefits: Gains of 40-45 HP and 45-50 lb-ft torque depending on existing upgrades. Jul 1, 2015 · The 454 responded very well to the cam upgrade, as the peak numbers jumped from 376 hp and 482 lb-ft with the stock cam to 428 hp and 507 lb-ft of torque. Dec 14, 2023 · K&N Cold Air Intake Kit For Chevy 5. 4 tbi 4 speed stick that I have done most all the external mods you can do, chip, intake, adj. I'm more concerned about a higher torque rating rather than high horsepower. 0L, 5. Simply unbolt the factory TBI throttle body, bolt on this 670 CFM beauty, make a few electrical connections and you are rolling with a significant boost in horsepower. 4, or even putting Vortec 7. 454 TBI/4L80E/NP205/D60/Gen 2 14BFF. The engine is close to stock with a smooth idling Aug 24, 2009 · I have a 454 TBI alsothe first and easiest thing to do is advance the timing maybe 4*. Performance Automatic 4L80E Transmission. Holley Sniper 2300 EFI Kit - Shiny or Black Ceramic. about 550 stock. The Fastez efi does have its own tuner and user interface, you can change minor parameters, but not things like fuel mapping. It specs out at 265 HP@4500 RPM and 340 ft/lbs of torque@3500 RPM. Reaction score. New Parts (related to how the truck runs at least): Vortec fuel pump. $15,671. Best bet for a strong 4. That's similar to what I'm familiar with from a 1990 Honda CRX I used to own. 5:1 is where id set it. GM… If you look up flow numbers for the L29 heads you'll find that there isn't much to gain above . The early systems from 1982-1986 are just too old to do much with. Part # K247P For converting GM and other carbureted, large displacement engines to TBI fuel injection, using GM electronics. you can get a 255LPH bolt in pump that is dimensionally identical to the pump on your sender right now. Give your truck the power and reliability it deserves, call our sales staff today to learn more about the product features, including: • HO produces 8-9 psi of boost, 60-65%+ HP. O. Improve airflow: enhance your 350 tbi engine’s performance with a cold air intake system. 1:1 compression ratio. 7 converted to factory roller TPI camshaft with 1. sl yy ud rs sq kc iw xj eo bq