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Pre-milled heads? #833484 10/19/10 02:17 AM 10/19/10 02:17 AM
Joined: Sep 2005 Posts: 1,202 California P polkat OP mopar addict
polkat OP mopar addict P Joined: Sep 2005 Posts: 1,202 California	Seems I remember a way to tell if big block heads have already been milled (aside from any pattern visable on the head surface). Isn't there an area on the head perimeter somewhere that is supposed to be exactly 1" thick if the heads are virgin?

Re: Pre-milled heads? [Re: polkat] #833485 10/19/10 10:22 AM 10/19/10 10:22 AM
Joined: Aug 2005 Posts: 4,799 ILL M MLR426 master
MLR426 master M Joined: Aug 2005 Posts: 4,799 ILL	Quote: Seems I remember a way to tell if big block heads have already been milled (aside from any pattern visable on the head surface). Isn't there an area on the head perimeter somewhere that is supposed to be exactly 1" thick if the heads are virgin? Measure at lower corner head bolt areas, I've measured many over the years and found virgin uncut heads can be anywhere from .990 to 1.015. You should also cc the head if your doing compression up grades to equalize chambers, etc. logan426

Re: Pre-milled heads? [Re: polkat] #833486 10/19/10 12:04 PM 10/19/10 12:04 PM
Joined: Mar 2008 Posts: 5,746 Ontario, Canada Dodgem master
Dodgem master Joined: Mar 2008 Posts: 5,746 Ontario, Canada	Yup right around an inch bang on!

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