2006年7月13日 · TBI L19 454 230 hp @ 3600 385 lb/ft torque @ 1600 rpm 3/4 and 1 ton as well as 1990 454SS 80 lb/hr injectors (9-13 psi low pressure fuel system) 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 ...

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...

2010年8月16日 · anybody ever done this? On the bottom side of your throttle body, there are two hoses. These hoses bring hot coolant through your throttle body and like the pads, assist in cold weather startup. Do you realize how much better your truck runs when it's cold, (temp gauge at or below 160)? When it...

2008年1月3日 · Has anyone sucessfully done a 454 to 8.1l swap. I have a 98 vortec 454 and am doing research on putting in a 8.1l (L18) motor. I want to use the block and rotating assy of an 8.1 then put on 454 heads and factory intake and fuel injection to keep the swap simple. And put in a different cam to...

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...

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 …

2004年12月11日 · [SIGPIC] [/SIGPIC] 94 Suburban 2500 454 4wd 56 GMC Napco 4wd 2000 Integra GS-R

2007年3月4日 · Is there a way to remove the radiator support on a 88-98 Silverado? I looked through my Chiltons Manual but couldn't find anything... I am getting ready to drop the 454 in and any extra space I can get would be good! Courtesy of Moregrip from performancetrucks.net

2008年4月3日 · The specs on this cam are 207 int./213 exh @ .050, 0.437 int./0.454 exh. lift, and a 112* LSA. You should have a slightly noticeable idle with this cam along with good low end torque....

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.