250 Hp
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Elder User
Joined: Aug 2003
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From: Bellingham, WA
250 Hp
Hey i know this topic has been beaten to death here, there is even a sticky on it, but just one question,im planning on putting the holley 2 barrel 500CFM w/adapter, EFI exhaust, and gutting the cats. will i have reached 250 HP? if not how much will i have? O i have an 1984 f150 if that helps.
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Joined: Dec 2003
Posts: 2,155
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From: Centerville, Iowa
I believe that the 300-6 had 145HP stock and *supposedly* 260TQ, though the torque is debatably lower then true.
Pulling the cats and dropping in straight(down)pipes in their place will net you about 15-20HP EFI Manifold...I can't see a manifold, regardless of Carb/EFI, giving you much of a boost. Carb..say another 10-15HP. You *might* be up to about 175HP...just depends.
EDIT: You're running a Carb'd version...which had even less HP stock then the EFI, duh. I can't say how much HP the Carbd ones had.
Pulling the cats and dropping in straight(down)pipes in their place will net you about 15-20HP EFI Manifold...I can't see a manifold, regardless of Carb/EFI, giving you much of a boost. Carb..say another 10-15HP. You *might* be up to about 175HP...just depends.
EDIT: You're running a Carb'd version...which had even less HP stock then the EFI, duh. I can't say how much HP the Carbd ones had.
Last edited by Saurian; Apr 18, 2004 at 07:00 PM.
