2013年1月6日 · looking to get some advice on mods in order to get better gas mileage on my 454. I know the plugs and stuff just seeing if there are any other ones out...

2012年6月16日 · my dad dailies a 454. truck is a '98 chevy k2500 eclb, auto with 3:73 gears, all stock, and he averages about 11 mpg, but he doesn't really worry about it.bought it new because it had more power than the 6.5 diesel at the time.

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 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.

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's were getting 450 horse. What would it take to get some serious performance out of this thing... on a …

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 fine at the moment) when I noticed that the stock part numbers for the '93 and '94 are different. Under the heading for each year...

2012年3月21日 · :bowtie: 94 Chevy C1500 ext cab. 350 TBI Stock (for now) 180k miles. 4l60e trans, 342 gears with posi unit. About to begin process of rebuild. Truck belonged to my step dad, so I'm gonna keep it going in his memory.:head3:

2013年8月24日 · Hello: 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 has 60psi fuel pressure, and will start and run on a shot of either, so I'm assuming the injectors are not...

2011年3月19日 · Does anyone know how to replace a distributor cap and rotor on a 454 big block. The engine is in a gmc 3500. Thank You

2012年7月1日 · Selling my 454ss wheels, they have new BFG T/A Radials with about 300 miles on them. New centercaps and lugs covers as well. Tire size is 255/60/15 and are balanced and ready to go. Paid about $700 for the tires with mounting and balancing, $300 for the wheels and $50 for the centercaps and lug...

2020年5月14日 · I typically work on diesels so bare with me.. THanks I'm working on a 98 Suburban seems to idle OK but smells a bit rich. Fuel pressure with Key On hits 60PSI then drops to 55. At Idle floats around 50 and drops 2 PSI when rev'd up to 3500rpms or so, shouldn't it rise?? When I Rap the throttle...