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-   -   header sizing for 2.8? (http://forums.pelicanparts.com/911-engine-rebuilding-forum/442906-header-sizing-2-8-a.html)

obrut 11-24-2008 02:13 AM
header sizing for 2.8?
 
what header sizes are recommended for a 2.8 with MFI, 10.3:1, twin plug, mild porting and GE80 cams? motor is in a (tarmac) rally car geared for about 4500-7200 rpm.

Steve@Rennsport 11-24-2008 07:30 AM
1 5/8" work best with those cams. :)

obrut 11-24-2008 12:49 PM
thanks steve.

i assume that is the ID measurement?

Steve@Rennsport 11-24-2008 05:09 PM
Quote:
Originally Posted by obrut (Post 4322636)
thanks steve.

i assume that is the ID measurement?
Yessir!! :)


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