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gmc67swb · 01-21-2005, 07:38 PM

Were The The Holes Where The Pushrods Go Through The Head Clearanced? I Heard Somewhere That If Your Lift Is Too Much You Can Make Contact In This Area If Not Clearnced. Also, Unless Machined, These Heads Are Made To Except 1.25" Valve Springs. If Yours Are Bigger, This May Cause A Problem.

01-21-2005, 07:38 PM	#2
gmc67swb Registered User Join Date: Feb 2003 Location: Mesquite, Tx Posts: 396	Were The The Holes Where The Pushrods Go Through The Head Clearanced? I Heard Somewhere That If Your Lift Is Too Much You Can Make Contact In This Area If Not Clearnced. Also, Unless Machined, These Heads Are Made To Except 1.25" Valve Springs. If Yours Are Bigger, This May Cause A Problem. __________________ GM 330HP/350, Magnuson 122HH, Tremec TKO 5spd