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Old 01-07-2013, 01:20 PM   #37
OldNuc
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Join Date: Apr 2008
Location: Far Southwestern Iowa
Posts: 66,694
 

1998 SC2
Default Re: Phenolic Heat Shields

There are lots of people running highly modified engines with a full functional EGR. There is minimal justification to block it off except for circle track racing. Possibly restricting the flow is viable but with a properly rebuilt engine they don't cause many problems that would suggest restriction either.
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