what size carb for this setup
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From: Hobart, Indiana
Car: 1986 caged out firebird
Engine: 454 = wheelies
Transmission: th400 stall and trans brake
Axle/Gears: 4:11 ford 9" with ladder bars
what size carb for this setup
ok i am building a 454 i would just like the estimated the size of carb I need for my engine here are the specs the engine is bored .060 over and the pistons are kb 25.5 dome pistons with a compression ratio of 11.1 to 1 the heads are a ported ovel port head ad the cam is a .560 / .573 lift and 240 int./246 exh. at .050 and a 112 Lobe Separation plus i have 1.8 roller rockers the intake is a weind intake good from 1500 rpm to 6500 rpm so it matches the cam also have hooker long tube headers
Thread Starter
Senior Member
iTrader: (-1)
Joined: Mar 2007
Posts: 315
Likes: 0
From: Hobart, Indiana
Car: 1986 caged out firebird
Engine: 454 = wheelies
Transmission: th400 stall and trans brake
Axle/Gears: 4:11 ford 9" with ladder bars
Re: what size carb for this setup
mostly track but some street use like once a week
Supreme Member
Joined: Sep 2001
Posts: 6,111
Likes: 53
From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
Re: what size carb for this setup
A 850 cfm at minimum. A 950cfm carb is not too big.
Comp cams CB-280S-10 #12-551-5 a better cam. it a mechanical grind.
Comp cams CB-280S-10 #12-551-5 a better cam. it a mechanical grind.
Thread Starter
Senior Member
iTrader: (-1)
Joined: Mar 2007
Posts: 315
Likes: 0
From: Hobart, Indiana
Car: 1986 caged out firebird
Engine: 454 = wheelies
Transmission: th400 stall and trans brake
Axle/Gears: 4:11 ford 9" with ladder bars
Re: what size carb for this setup
well i already have all the parts including the cam so i am going to stick with the one i got.
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