valve size on a 83 305 416 heads?
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Joined: Jul 2004
Posts: 10,763
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
You posted this question like 3 days ago, what's the matter, you have alzheimers or something?
https://www.thirdgen.org/forums/tech...alve-size.html
It hasn't changed, it's still 1.84"/1.5"
And you still need to provide more info to get the CR for your motor. decked block or not, head gasket, pistons (pin height)...
https://www.thirdgen.org/forums/tech...alve-size.html
It hasn't changed, it's still 1.84"/1.5"
And you still need to provide more info to get the CR for your motor. decked block or not, head gasket, pistons (pin height)...
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