240zip Posted August 29, 2012 Share Posted August 29, 2012 There is are slightly different specifications between the B (automatic transmission) cam shaft on the P90 head and the J (manual) cam shaft. http://xenons130.com/cams.html#Stock I have a NOS OEM B cam shaft for the P90 and wondered if the slightly higher exhaust lift associated with the B cam profile would make any difference on a manual transmission application. Quote Link to comment Share on other sites More sharing options...
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