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hbrand hbrand is offline
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Join Date: Apr 2002
Location: Florida
Posts: 560
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
Harold Brandner
1973 911T Sepia Coupe, restoration 50% done.
1 1970 911T engine for sale
Old 06-09-2005, 10:57 AM
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