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Thread: For Those Wanting To Port Your Heads!!!
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12-07-2007, 09:03 AM   #25 (permalink)
BIGJOE
 
Join Date: Apr 2005
Posts: 542
Re: For Those Wanting To Port Your Heads!!!
Looks like you are a little mixed up too. The ONLY place a flat tappet cam has faster valve motion is off the seat, up to about 050 lift. THEN the roller takes over very fast. By 200 lift, the roller setuo is far ahead of the flat tappet setup.With the same duration aat 050. the flat tappet never had a chance.

JOE SHERMAN RACING ENGINES
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