New cam
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Joined: Oct 2002
Posts: 798
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From: Sharonville OH
Car: 98 Z28 vert
Engine: LS1
Transmission: automagic
Axle/Gears: 2.73 - boo racing yay MPG
New cam
I have pretty much decided on an lt1 cam for my lg4 (87, the only year with carbs and rollers ; ). What else other than the cam am i gonna hafta change? Do I need an electric fuel pump or did gm use electric pump in the 87 lg4?
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Joined: Nov 2002
Posts: 1,132
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From: Grand Island, NY
Car: 1990 Formula
Engine: 305 TPI
Transmission: WC T5
My LT1 Cam does not have the fuel pump lobe on it so if yours is the same (which it probably is) you will need a electric fuel pump.
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