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#5 |
Registered Member
Join Date: Jul 2002
Location: Russellville MO, where men are men and sheep are scared
Posts: 66
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![]() MM&FF has a discusion on this very thing.
This is what they said:" For short cammed motors, radius the fornt face of both the inlet and exhuast but for long cams(over 280 seat duration) only do the exhaust. Both valves should be back-cut 30 degrees to leave a seat on the valve about 20 thousandths wider than the seat in the heads." |
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