polishing heads-etc
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Joined: Mar 2005
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From: western montana
polishing heads-etc
Following some advise from Danlee- wondering if anyone knows where I can get some info on working on my 400 heads to get the best performance. Specifically what to do and how to do it and how to avoid boo-boos.
cause I ain't never done this before!!!
cause I ain't never done this before!!!
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Joined: Sep 2001
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Remove burrs and flash in both intake and exhaust. Smooth and blend the bowl areas. Grind out the thermactor bumps in the exhaust and polish the exhaust port. Do not change the port sizes or shapes except for the thermactor bump. Leave the intake mainly alone except for the bowl porting mentioned above.
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boo-yaa138
1967 - 1972 F-100 & Larger F-Series Trucks
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Jun 10, 2015 02:27 PM
