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Original Message
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| RE: Milling heads |
| By Mel Clark - 08/23/2001 1:37:04 AM; IP 64.12.103.172 |
The Ford High Performance Engines manual says that if you mill .010 from the heads you should mill the intake sides.012 and the intake bottom .017. If you want to remove .020 you double the amounts given above. These specs are to keep the ports and bolt holes aligned as well as keeping the gasket surfaces parrallel and seal properly.
This manual does not give a maximum allowable stock removal but, to remove 1 cc in the chamber of a 1960-61 352-390 HP you need to mill .007 on the '65-'68390 GT you would mill .005 to remove 1 cc. there are no specs for other 352-390 engines. |
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