Mods to get better gas mileage on a 454 - GMC Truck Forum
2013年1月6日 · Biggest thing is to drop RPM typically big block Vehicles will have a 410 axle I swapped my 410 for a 342 and have a 454 with a turbo 400 gets about 12 to 12 and a half …
95 chevy 3/4 ton 454... want more power - GMC Truck Forum
2006年3月20日 · I have a 95 Chevy 3/4 ton 454 ext. cab. The specs on it put it at a wimpy 260 horse. I figure since it's only getting 10mpg, I might as well bump it on up to the days when …
454 TBI vs 454 vortec - GMC Truck Forum
2006年7月13日 · 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 …
What's the difference between '93 & "94 TBI 454 engines via …
2009年8月22日 · I have a 1993 GMC K3500 dually with a 454 and I also have a 1994 GMC K2500 suburban with a 454. I was just pricing injectors for my suburban (bored as mine are …
Chevy 454 vs Chrysler 440 : r/EngineBuilding - Reddit
And the Chevy uses .842 lifters, which limit lobe designs that can take advantage of the better heads if using flat tappets. The Mopar is quite tall. It uses rods some 5/8 inch longer than …
Chevy 454 MPG - GMC Truck Forum
2012年6月16日 · the 454 is a good motor i owned 2 both were carb one 4x4 one 4x2 crew cab duallys both were 86's 4x4 one got 5-8mpg 2wd got 6-10mpg both had 4:11 gears with no …
1990 C1500 350-454 swap - GMC Truck Forum
2012年3月22日 · Alright guys, so I own a 1990 C1500 Silverado with a 350. I plan on swapping the factory 350 with a rebuilt 454 from a 1 ton of the same era. I still want the TBI. I've kinda …
how to install a distributor cap and rotor on a 454 big block
2011年3月19日 · A forum community dedicated to GMC and Chevy full size owners and enthusiasts. Come join the discussion about Silverados, Sierras, and other full size trucks …
1998 K-3500 454 Wont Start, Has spark and fuel pressure
2013年8月24日 · I just bought a non running 1998 Chevy Crew Cab 4x4 with a 454. I bought it as a non running truck that was driven into storage last winter and would not start this spring. It …
Summit White 1992 Chevy 454ss Shortbed - GMC Truck Forum
2023年8月25日 · This is a true one owner summit white 1992 454 SS pick up truck and it’s in immaculate condition. The truck has 81k original miles and comes with window stick, owners …