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Wayne, thanks for the reply! But you left one question unanswered.
Regarding the oil pressure relief groove: How critical is it that this groove be left free of sealing material?
And, what exactly, is this groove supposed to do?
Thanks, JB
P.S. Regarding locktite 574 and clean up: The heads I just used on this rebuild were from the previous Mag case motor that I sealed with LT 574. The LT 574 material that extruded out around the cam housing openings and studs (and not sealed metal to metal) hardened into a tough rubber like material that has been impossibled to remove from the heads. My head rebuilder dissassembled the heads, put them through a vibration type parts cleaner (using naptha) and then bead blasted them. The LT 574 was not effected. The glass beads just bounced off the rubberized Locktite 574 material. I had to use a razor blade to cut the material from around each stud to insure I had a good seal when the cam housings were attached. Any comments on this? Is there a solvent that will dissolve this stuff?
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