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-   -   Which PMOs !!! (http://forums.pelicanparts.com/911-engine-rebuilding-forum/423812-pmos.html)

Dr.Benzin 08-06-2008 11:10 AM
Which PMOs !!!
 
I have a -79 SC engine large ports, SS 3.2 syl, JE 9.8 pistons. 964 cams, ssi ex. blue printed, and would like to have a pair of PMOs on this engine.

The car is mostly driven on common roads.

Should I go for 40s or 46s ??

Steve@Rennsport 08-06-2008 11:47 AM
46's would be appropriate w/38mm venturis.

Dr.Benzin 08-08-2008 03:22 AM
Will this give some more HP ??

Steve@Rennsport 08-08-2008 10:59 AM
Quote:
Originally Posted by Dr.Benzin (Post 4108558)
Will this give some more HP ??

More HP than CIS???? OMG, yes. :)

Dr.Benzin 08-08-2008 11:36 AM
Thank you Steve !!!!

Eagledriver 08-10-2008 07:56 PM
My race group has found about a 7HP peak improvement with 46mm carbs vs 40mm carbs. This only occurs above about 6000 RPM.

-Andy


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