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Registered
Join Date: Sep 2003
Location: mass
Posts: 1
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3.4 L piston upgrade help
need help I purchase a set of 3.4 l piston and on the bill of sale it state that . angle and chamfering modification to heads is needed.but when place on heads seems to be a perfect fit ,am i missing something please help
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09-26-2003, 02:55 PM
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Registered
Join Date: Jul 2000
Location: So. Calif.
Posts: 19,910
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With modeling clay or soft solder on piston crown, check piston-to-head clearance and piston-to-valve clearances, then adjust accordingly. Use cylinder 1 with head, cam and a couple of rockers installed, then tell your Porsche machine shop what you have. While you're at it, determine true TDC and mark your pulley before beginning.
Sherwood Lee http://members.rennlist.org/911pcars |
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09-26-2003, 03:51 PM
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