340 to 360RWHP

Ironmancuck

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Nov 19, 2012
Messages
111
Location
Daly City Ca
flat tops
mill heads .040"
intake valve reliefs
short runner
1 3/4" headers
Cams


I would rather get custom pistons to increase compression rather than mill material off the heads and weaken them. If the head deck meets spec for flatness then I wouldn’t mess with milling it but that’s just my opinion. People can do what they want.
 

na svt

say no to power adders
Established Member
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Sep 30, 2005
Messages
11,248
Location
Beavercreek, Ohio
You obviously have no experience with these heads. I've milled them .060" many times and .040" even more and sometimes on boosted engines. There is plenty of meat on these castings to allow for .060" to be removed safely.
 

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