Posted August 26, 2011. Joe, as Brett may have already said, Welcome to the Forum. The GM 454 (7.4) is a great engine. The basic engine is a real workhorse. The following is just my opinion. I feel that any coach up to 34' is just about the max for a gas engine. 37' might be a little too much for the 454. Tbi Harness W/chip For 1227747 Ecm F/i Wire Harness For 305 350 454 Tbi Engine 87-95 Chevy - $99 Tbi Wiring Harness W Ecm 350 Sbc 454 Bbc Tbi Engine Swap . ... 383 CI STROKER KIT ENGINE ALL OUR ENGINES 327- 350- 383- 396- 427- 454 ARE CUSTOM HAND BUILT. RECOMMENDED 350 TBI MODS ATK HP31 Chevy 350 87-95 TBI Base Engine 290HP,. 454 tbi years 454 tbi years I installed RV8C's, copper plus, marine plugs, mostly because they came with the boat I thought the same thing, 8 This 4 Cylinder, Short Block, will fit the 1988 - 1990 Cutlass Ciera Upgraded Vortec cylinder heads, a more aggressive camshaft, and reprogramming TBI chip to make 300 horsepower or more with a GM Chevy 305, 350, and 454. There's power hidden in your stock late-model Chevy pickup just waiting to be unlocked. Although that throttle-body injection (TBI) engine is disguised as just another pedestrian small-block Chevy. The subject is a 94 TBI 454. 94 and 95 were different than other years, in that they used a smaller injector with a 30 lb regulator spring for better fuel atomization. A harder detail to pin down would be the fuel pump. I have heard through the grapevine that the Vortec pumps flow twice the volume as the TBI pumps when at pressure. The bill: $3,699.96 for all but the carb. The results: 567 horsepower and 537 pound-feet of torque on 89-octane pump gas! That represents a 70-percent increase in horsepower. That’s impressive. 600cfm edelbrock, not looking to make 500hp maybe 400? low rpm torque and better mileage. The mods have made a big difference so far, would like to top it off with pistons and some mild head work (enlarge bowls, weld egr's shut, ... I had a very strong pulling 454 in a dually, 1993 TBI and I used 366 truck heads, a Crane 2020 cam,. Also look up the ultimate TBI mods, you'll need to atleast do those mods to make the TBI unit flow enough air to not choke out the vortec. Should be a 15 hp gain on the ... Since the 454 TBI was only put in vehicles with a manual or 4l80 if you are running a 700R4/4L60 you'll have to come up with a throttle lever that has provisions. I have done a lot of research on the TBI 砲OMPUTER match, I have put in a Comp Cam made for TBI , shorty headers, years ago a HyperChip, free flow exhaust. I am very happy with these mods, there have been no problems at all. I am going to the Edelbrock Aluminum heads and intake next. The rings never seated in, so a good reason to put in the. The Holley TBI does all this WITHOUT any programming changes to the OE ECM/brainbox. All of the OE wiring harness PLUGS in. It is interesting, the story of how this Holley TBI came to be. It was in 1984, at the INDY 500 Race, when the Fiero Iron Duke was selected to be the Official Pace Car of the race. 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. Mods for a 454 TBI Discussion in 'High Performance Mods' started by Texasgordo, Mar 21, 2012. Page 1 of 2 1 2 Next > Mar 21, 2012 at 9:02 PM #1. Texasgordo Beer Drinkin' Champion. Posts: 65 Likes Received: 1 Joined: Aug 24, 2009 Location: Gonzales,TX. I bought a 1990 GMC dually. Cooling issue on 454 TBI. Jump to Latest Follow 1 - 13 of 13 Posts. F. FordCrusherGT · Registered. Joined Nov 20, 2006 · 273 Posts . Discussion Starter · #1 · Jul 17, 2007. Only show ... Amsoil Duel Remote By-Pass/ Nictane Fuel Filter NEW Turbo-Horn Mod/ Me. Save Share. F. Search: 1995 Chevy 454 High Idle. 1-800-326-6554 [email protected] For some scan tools enter VIN 10th “L” 3rd “C” 8th “K” The idle control valve, also commonly referred to as the idle air control valve, is an engine management component that is found in one form or another on the majority of road going vehicles 3 v6 TBI Thank you so much I have put a I have put a. 90 S10 4.3,TBI,auto,egr mod,flowmaster,k&n,vette servo,daily driver ... And also, the injectors in the TBI are interchangeable with the 305,350,and 454. That means there are more possibilitys for power and fuel upgrades. BTW, marine 4.3s are fairly easy to come across. THIS SALE IS FOR CHEVY / GMC TRUCK / VAN 5.0 305 TBI 700R4 CHIP 9232A FOR ECM 16146299 I REMOVED THIS CHIP FROM A 92 CHEVY PICKUP TRUCK WITH THE ECM MARKED WITH CHIP AWHC WHICH TELLS ME THE CHIP WILL WORK ON 1992-93 TRUCKS AND VANS WITH 305 TBI ENGINES WITH A 700R4 AUTO TRANS WITH ECM COMPUTER 16146299. THIS. 2 Posts. #4 · Jun 27, 2004. 454 TBI. I was on Ebay looking for a 454 TBI to change out my 350 TBI when I stumbled across a 350 TBI bored out and bigger injectors put in. the cost was a lot less and also the linkages all match up. I decided against the TBI and went to an Multi-point injection thinking it might be the best for the 383 Im building. 454 Engine GM: 14049401 NAPA: 8153 Autozone: B70846 (Dayco) 1985 - 1989 (H5D) Horizontal Radiator 454 Engine GM: 15599363 NAPA: 8232 Autozone: E71429 (Dayco) 1990 - 1994 (H5D) Horizontal Radiator 454 Engine GM: 15638164 NAPA: 8153 Autozone: B70846 (Dayco) Lower Radiator Hose: Year. frederic remington. I've had to replace the ignition module that sits at the base of the distributor a few times, but the failure mode was always that it would start and run, but wouldn't apply any advance, run a little rough, and would throw a trouble light. In the past, the truck would also throw temper tantrums when the weather gets cool (less than 70 degrees. Mar 21, 2012 · I have a 454 TBI also...the first and easiest thing to do is advance the timing maybe 4*.I've had two other 454s and they both responded well to a little more advance in the timing.If it starts to ping under load retard it a little (or buy 91 or 93 octane gas),maybe a degree at a time.Advancing the timing seems to wake 'em up some. About Tbi Specs 454.The GM Performance Parts HT502 Emission Legal (50 state) Conversion Kit is designed for 1991-93 Chevrolet and GMC 10-, 20-, and 30-series trucks with two-wheel drive, originally equipped with a 454 TBI engine and 4L80E automatic overdrive transmission. ... the only mod I have done so far is a tbi spacer.Tbi 350 Installation – Land Cruiser Tech From Ih8Mud,. Mar 21, 2012 · I have a 454 TBI also...the first and easiest thing to do is advance the timing maybe 4*.I've had two other 454s and they both responded well to a little more advance in the timing.If it starts to ping under load retard it a little (or buy 91 or 93 octane gas),maybe a degree at a time.Advancing the timing seems to wake 'em up some. Stock TBI 454 makes 230hp and 380tq so stock fuel pump is maxed out right off and a typical 454 will run better with a fuel pump upgrade even with stock chip. GAS MILEAGE. Always a big complaint with 454 TBI trucks. 90 and older is particularly bad and that is largely due to NO OVERDRIVE. About Upgrades 454 Tbi. ...454 tbi intake mods Sep 24 2015, 10:57pm I towed my 13k travel trailer today and the 454 did a great job as far as getting me to the dealer and back. With the current 2 7/8 inch pully this kit will make 6 pounds of boost at high altitude and 8 at sea level, supposed to add 200 hp and 275 pound feet of torque.. modesto, CA (mod) monterey bay. modesto, CA ( mod ) monterey bay (mtb) redding, CA (rdd) reno / tahoe (rno) sacramento (sac) san luis obispo (slo) santa barbara (sba) santa maria, CA (smx) ... 454 chevy $1,200 ( mod ) pic hide this posting restore restore this posting. $200. favorite this post May 21 Big block chev cores. Keep in mind the 454 TBI > will not support that higher power <b>454</b>. What is 1993 454 Tbi. Likes: 622. Shares: 311. Search: 1995 Chevy 454 High Idle. 1-800-326-6554 [email protected] For some scan tools enter VIN 10th “L” 3rd “C” 8th “K” The idle control valve, also commonly referred to as the idle air control valve, is an engine management component that is found in one form or another on the majority of road going vehicles 3 v6 TBI Thank you so much I have put a I have put a. 4.3 - 5.7 - 454 for fuel management. Electric Fan or Fans . To get rid of the power robbing mechanical fan assembly and clutch. The claims are 6 to 17 horsepower to drive the steel fan assembly. 180-195 deg thermostat - This is the engine's best operating temperature for power. Then added an Edelbrock performer intake (with EGR) and used the adapter from a 90 model 1 ton with a 454 and the larger TBI unit also (the adapter fits on a Q-jet or spread bore base) and used the 5.7 injectors in the larger BBC unit and added an adjustable fuel pressure reg. also added a set of Edelbrock headers and a custom exhaust. So I was talking to a buddy of mine tonight about really getting some horses out of my 95' TBI 350. ... Serious TBI performance mods. Jump to Latest Follow 1 - 15 of 15 Posts ... intake manifold, 454 tbi and headers. probably all the power i'd want. the heads on these things suck, so keep that in mind. Vortec heads aren't aluminum, and IIRC, all the SBC Vortec motors are 9.5:1. You are right, head material makes a difference as well, but the potential of the head is better if the combustion chamber is more efficient. There is simply no question the fastburn chamber is better than the "old" stock style. 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. $19,157 MSRP †. 454 EGR Block Off Plate, Mystery Solved. « on: December 08, 2012, 07:49 PM ». This topic is solved even before I asked the question. But in case any of you are ever considering removing your EGR valve, either because it is faulty or because you don't trust it...they can cause vacuum leaks because of carbon build up and are the dickens to. A TBI mod as described in this site in many places and a Throttle Body spacer will help also. I would put a 180 degree thermostat in it and perhaps a bigger transmission cooler if it is in the budget. A stacked plate cooler such as a B&M super cooler will help the most in my opinion. ... a freind of mine has a 95 454 tbi, and his runs pretty. jcgribks wrote: Just completed a 2600 mile trip from Kansas City to Disney World in Orlando. We took 2 1/2 days to get down there and then 2 days to come back. Our motorhome is a 96 Itasca Suncruiser 34ft, P30 w/ 454 TBI . The only modifacations are a Banks air intake kit and a Towmaster chip from Harris Performance. About Tbi Specs 454.The GM Performance Parts HT502 Emission Legal (50 state) Conversion Kit is designed for 1991-93 Chevrolet and GMC 10-, 20-, and 30-series trucks with two-wheel drive, originally equipped with a 454 TBI engine and 4L80E automatic overdrive transmission. ... the only mod I have done so far is a tbi spacer.Tbi 350 Installation – Land Cruiser Tech From Ih8Mud,. Find 454 Tbi on sale here with the largest selection of 454 Tbi anywhere online. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. ... 50mm 2 7.4l 454 Tbi Package Deal With Performance Mods $519.99 View Item Details Tbi 220 Throttle Body Injection Rebuild Kit 1991 - 94 454 Chevrolet Gmc Truck $59.88 View. 454 Quadrajet, 454 TBI or Cadillac 500 Quadrajet. I've asked a couple other questions as I'm planning my '54 GMC 1-ton. Current plan is a GM 14-bolt rear with 3.42 gears. Transmission will be a TH400 if I go Cadillac, and either a TH400 or a TH475 if I go 454 . I plan to use this truck to pull my 18 foot flatbed trailer with loads as big as a 2. So I was talking to a buddy of mine tonight about really getting some horses out of my 95' TBI 350. ... Serious TBI performance mods. Jump to Latest Follow 1 - 15 of 15 Posts ... intake manifold, 454 tbi and headers. probably all the power i'd want. the heads on these things suck, so keep that in mind. Many of teh newer engines would embarass a 454 TBI of the era that came stock on your truck. They were rated at 235hp/385lb/ft torque. Even the most basic GEN 3 LM7 5.3 puts out 270hp from the 1999 GMT 800 trucks. None of tehse engines will touch the off idle torque of the TBI 454 you are talking about. as the torque peaks are at 1800rpm. There's power hidden in your stock late-model Chevy pickup just waiting to be unlocked. Although that throttle-body injection (TBI) engine is disguised as just another pedestrian small-block Chevy. 454 tbi years 454 tbi years I installed RV8C's, copper plus, marine plugs, mostly because they came with the boat I thought the same thing, 8 This 4 Cylinder, Short Block, will fit the 1988 - 1990 Cutlass Ciera Upgraded Vortec cylinder heads, a more aggressive camshaft, and reprogramming TBI chip to make 300 horsepower or more with a GM Chevy 305, 350, and 454. 1992-1995 95 Chevrolet GM 7.4L 454 V8 2" Bore TBI Throttle Body WITH INJECTORS! $250.21. + shipping. + shipping + shipping. 54mm PORTED 7.4L 454 TBI Package Deal. $569.99. + $16.25 shipping + $16.25 shipping + $16.25 shipping. 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