Tbi 454 build

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The 454 big block is a true legend of an engine that has been the base for many of the fastest, highest HP builds in the history of hot rodding. A product of growing power needs for the bigger, heavier GM production cars and trucks of the 1970's - GM had to come up with something as successful as their small block Chevy platform. To get 400 HP out 454 TBI you'll need to consider the following changes: 1) Stock TB with 2" bores can provide 625 CFM, but stock injectors will limit amount of fuel needed to support 400 HP. Increasing fuel pressure is one possible option, but this approach will require that you run VRFPR - Aeromotive 13301. Our Chevy 454 Long Block Engine is on sale. This 7.4 liter engine is commonly known as the "454 Big Block". In 1970 the 454 was first introduced for use in the Chevy Corvette, soon after it's use extended to a long list of GM and Chevy applications. 454 motors have withstood the test of time and have been in production for four decades and ended in the early 2000s with their Generation 5 model. Jan 14, 2016 · Next, Prestige swapped out the Dominator for Holley’s Terminator throttle-body injection (TBI) system. The throttle-body was equipped with a set of 200 lb-hr injectors, and bolted on its own two-inch spacer plate for consistency. Holley rates the Terminator system at 950 cfm and recommends the system on engines up to 600 horsepower. It's Chevy's turn as Mike and Joe build a classic 454 big block engine on a skimpy budget of 25-hundred dollars. Will it make more horsepower than their recent Ford budget build? The dyno will reveal the answer. Plus, a trip to the annual NHRA Hot Rod Reunion in Bowling Green, KY. Jul 01, 2015 · Despite the low static compression, care must be taken when replacing the cam on a stock L29 454. The lack of valve reliefs in the pistons minimizes available piston-to-valve clearance. To get 400 HP out 454 TBI you'll need to consider the following changes: 1) Stock TB with 2" bores can provide 625 CFM, but stock injectors will limit amount of fuel needed to support 400 HP. Increasing fuel pressure is one possible option, but this approach will require that you run VRFPR - Aeromotive 13301. A dual-plane intake is the ideal choice for a low-rpm, torque application. The intake was teamed with a 750-cfm (4-barrel) carb, a conventional distributor and long-tube headers. Run in this configuration, the Gen V 454 produced 334 hp at 4,300 rpm and 448 lb-ft of torque at 3,500 rpm. specifically i am looking for what someone with a 454 TBI dually is getting with either the 5 speed overdrive manual (91-95) or the 4L80-E. my mileage sucks with the SM465 non overdrive manual, and i need to see what i would be comparing to for gas savings to decide if it would be worth it or not to sink the cash into a tranny swap. Mar 10, 2001 · Alright, I have an '88 crew cab with a tbi 454. the only mod I have done so far is a tbi spacer. what other mods(not internal) would give me a bit more power to move this beast. The 38's and 4.10's don't move it like it used to (given). kill something everyday, no matter how small, just to remain proficient. I changed out a 350 in a 79 C30 Dually to a 92 454 TBI, man what a difference. Truck was originally a 454, but previous owner swapped in 350. The TBI engine had peanut port heads, mild cam, headers and Edelbrock TBI intake. It pulled like a beast, even with 3.73 gears (originally a 4.56 geared truck). Dec 19, 2015 · I am currently setting up a 454 TBI throttle body to hold the 350 tbi injectors. so i can step up the 350 performance. I got a marine 350 roller in the tow truck, its got the marine Heads and roller set up, full exhaust, 454 pump & spring. the 350 tb is only good for 350 cfm i believe, and the 454 throttle body is good for 500+cfm. Aug 22, 2009 · ElDorado Arkansas Just watched todays Horsepower,they did a 454 build on a peanut port motor and it made 407 hp and like 525 tq with nothing but a cam,intake and headers.I'm impressed. Aug 22, 2009 #2 1980z28fromhell Veteran Member Gold Member Two versions of the optional 454 were available in 1-ton Chevy trucks. The LE8 454 was the most common from 1973 to 1991. The L19 TBI, or throttle body injection, powered 1987 and later trucks as the second 454 engine option. The TBI 454 had fuel injectors in the middle of the throttle body that increased fuel efficiency, power and durability. Edelbrock 3764 TBI intake as I don’t like the HEAVY iron mess GM installed that holds too much heat and I am having Vic at rvmorsemachine.com bore it to match a 54mm bored 454 TBI unit which he will bore out for me as well for this project. On the air cleaner, I am going to run spectre air cleaner. Dec 19, 2015 · I am currently setting up a 454 TBI throttle body to hold the 350 tbi injectors. so i can step up the 350 performance. I got a marine 350 roller in the tow truck, its got the marine Heads and roller set up, full exhaust, 454 pump & spring. the 350 tb is only good for 350 cfm i believe, and the 454 throttle body is good for 500+cfm. Jan 14, 2016 · Next, Prestige swapped out the Dominator for Holley’s Terminator throttle-body injection (TBI) system. The throttle-body was equipped with a set of 200 lb-hr injectors, and bolted on its own two-inch spacer plate for consistency. Holley rates the Terminator system at 950 cfm and recommends the system on engines up to 600 horsepower. Building a new Gen VI Big Block 454 Chevrolet Vortec Engine. pt 1 of 2 pt series. Jul 01, 2015 · Despite the low static compression, care must be taken when replacing the cam on a stock L29 454. The lack of valve reliefs in the pistons minimizes available piston-to-valve clearance. Our nationwide warranty on the 350 TBI is a whopping 5 years or 50,000 miles. Why? Because we take pride in the engines we build knowing they are our best when they leave here. We use a common-sense and personable approach getting you back on the road as quickly as possible if anything were to happen. Covers all manufacture defects Ive had a tbi 454, vortec 454 and now an 8.1. Id go with the 8.1 for bone stock. Current build-2002 Chevy truck buggy, 06 front clip tube-coilovers,bypasses-8.1 liter 496 bbc/sm465/np203-jeds doubler-np205/d60/14bff Welded/42 tsls on recentered H1s Jul 09, 2010 · Hello everyone. This is my first post in the HD forums. I have a 1993 GMC C2500 with a TBI 454. I just got back from my first RV camping trip, loved it. I just had a few snags coming back. On the way down it pulled fine, temp was good, then I found a small crack on the top side of the radiator. P... Sep 28, 2017 · Horsepower per dollar is worth its weight in gold, and with this 87-octane-compatible, 567-horsepower barnstormer of a build, welcome to El Dorado. It all started when Car Craft friend Curtis ... Jul 09, 2010 · Hello everyone. This is my first post in the HD forums. I have a 1993 GMC C2500 with a TBI 454. I just got back from my first RV camping trip, loved it. I just had a few snags coming back. On the way down it pulled fine, temp was good, then I found a small crack on the top side of the radiator. P... Sep 28, 2017 · Horsepower per dollar is worth its weight in gold, and with this 87-octane-compatible, 567-horsepower barnstormer of a build, welcome to El Dorado. It all started when Car Craft friend Curtis ... Ive had a tbi 454, vortec 454 and now an 8.1. Id go with the 8.1 for bone stock. Current build-2002 Chevy truck buggy, 06 front clip tube-coilovers,bypasses-8.1 liter 496 bbc/sm465/np203-jeds doubler-np205/d60/14bff Welded/42 tsls on recentered H1s Aug 22, 2009 · ElDorado Arkansas Just watched todays Horsepower,they did a 454 build on a peanut port motor and it made 407 hp and like 525 tq with nothing but a cam,intake and headers.I'm impressed. Aug 22, 2009 #2 1980z28fromhell Veteran Member Gold Member Oct 03, 2017 · Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big ... TBI 454 255hp @ 4000rpm 405 lb/ft torque @ 2400 rpm 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 The Vortec 454 uses 8 24 lb/hr fuel injectors that are sequentially fired. Both engines can benefit a LOT from higher flow cylinder heads and cams. 02-17-09 07:35 PM - Post# 1632491 In response to chevy355s10 flaws. nothing major, later blocks had one piece rear mains, some guys like it some dont. either way the crank thats in it works and if you order a new crank just tell whoever the company is its a one piece rear main block. its not a tell deck, they were in bigger trucks and its a rarity to find a tall deck 454, mostly 366, 427 is a ... A TBI engine is a standard engine with throttle body fuel injection. The throttle body consists of an air intake port and one or more fuel injectors, depending on engine displacement. The fuel injectors are located in the middle of the throttle body. This will give the best build up procedure for a significant ... Jan 11, 2013 · I am working on a truck for the inlaws. its a 1991 r3500 gmc (1980s body style crew cab dually tbi 454 4l80e) Original motor broke the crank and threw 2 rods. Looks like a bad casting of the crank (looks like the crank had been cracked half way for some time) Ran great, but in its final weeks was... TBI '87 R2500 454 Suburban Runs Like Crap. MrSony, Apr 21, 2019... 2 3. Replies: 31 Views: 2,151. Rusty Nail Apr 9, 2020. Showing threads 1 to 20 of 246. Thread ... I changed out a 350 in a 79 C30 Dually to a 92 454 TBI, man what a difference. Truck was originally a 454, but previous owner swapped in 350. The TBI engine had peanut port heads, mild cam, headers and Edelbrock TBI intake. It pulled like a beast, even with 3.73 gears (originally a 4.56 geared truck). Find CHEVROLET 7.4L/454 Top End Kits with Hydraulic roller tappet Camshaft Style and get Free Shipping on Orders Over $99 at Summit Racing! 454 tbi build 454 tbi build