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hbrand hbrand is offline
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Join Date: Apr 2002
Location: Florida
Posts: 569
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Camshaft - valve hits piston

To prevent the exhaust valve from hitting the piston, I had to set the valve overlapp to 35mm instead of 67mm. Cam is 911R. number 901 105 103
What consequences does this have to the performance of my 2.8 high performance engine?
Dyno test right now shows 180 HP on rear wheels.


thanks, harold
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1973 Porsche 911T RS
1978 Porsche 911SC
Old 06-09-2005, 09:57 AM
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