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Would anyone happen to know the intake valve closeing on the XE284H? I'm at 10.9x, but i have heart shaped combustion chambered heads & FTs around .025" below, quench will be around .060-.065", not the best but not bad, Looks like if i can stay in the 70s on intake valve closeing i should be fine, maybe even in the mid-upper 60s.



46@50 and 68 seat to seat

Last edited by GwaiiEagle; 02/09/12 02:52 AM.