I have searched but can't find a good "How To" post for performing porting work on a head. Where could I find this info?...Thanks, ...mayolives

Have a look here:

http://geocities.com/zgarage2001/p90.html

This site is full of good tips on a performance L28 rebuild.

Also a real good sorce of stright information is to go to the members section and send phred a pvt massage of your question. This is his bag and he does it for a living. And he is a great guy as well. Gary:classic: