330 vortec
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Joined: Sep 2004
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330 vortec
My dad has a 330/hp 350ci crate engine in his car and I have some new LT4 hot cam springs for my car goog till 525 lift that I wont use. His new cam is a comp 268h I think the lift is 480 w/ 1.5's. Will my LT4 springs fit his 350ci vortec heads without modifaction?
Supreme Member
Joined: Jan 2002
Posts: 3,852
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
No, you have to have the valve guide boss machined. You have to take them off and take them to a machine shop.
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