Thread: header evac?
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Old 08-09-2006, 08:58 PM
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russ467 russ467 is offline
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Join Date: Nov 2003
Location: Lexinton, SC
Posts: 612
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I didnt have that problem, but mine was building too much pressure in the crank case and blowing out my valley pan seal when running a header evac system. Took the hoses off the breathers and the problem went away. Didnt make any difference in my et.

__________________
70 Formula

Old engine:
467 HO headed
6.79 1/8th mile @ 101.87 no N20. 1.44 60ft
6.23 1/8th @ 111.83 w/nitrous
1.37 60ft

New Engine
IAII 535
Calvin Hill Eheads
Few test passes made. Tore it up. Just got it fixed.