#12

10-22-2010, 01:52 PM

Lloyd-TX

Ultimate Warrior

Join Date: Jul 2000

Location: Bellaire (HO-uston), Texas

Posts: 9,012

Quote:

Originally Posted by Jim Robertson

Both sets of my heads have divider flush with surface. I101 and C142. The I101 dated heads are in question. Flange on both heads is approximately .060" thinner than the
C142 heads. My guess is milling has occured on the I101s. How deep is the recess on an untouched head? In other words how much milling would it take to "remove" the recess?
Jim

Steve - refer to Jim's old post (#15 in this thread) quoted above.

Dunno why anyone would want to surface the intake side of these heads that much, but . . .

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"455HO" Lloyd

2008 GMC Sierra Denali 2WD Crew, L92 6L80E, Silver w/ Ebony guts, 14.26 @ 98

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