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Old 05-22-2013, 01:08 PM   #3
rfmaster
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Location: OC CA
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Re: another EGR question.

Quote:
Originally Posted by manimal View Post
back to the top.????
Manimal

I am no expert in BBC's. It is possible that PO installed incorrect intake gasket which blocked or restricted exhaust flow through the crossover passage. For example FelPro Q1210 has cross-over passage block off.
http://www.summitracing.com/parts/fe...make/chevrolet

while
FelPro Q1212 has the cross-over passage wide open
http://www.summitracing.com/parts/fe...make/chevrolet

Both have
Port Height (in): 2.050 in.
Port Width (in): 1.820 in.

//RF
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