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Old 11-29-2014, 08:58 PM   #23
68gmsee
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Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
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Re: How to change gasket: Timing cover I6-250

Quote:
Originally Posted by thelawdoc View Post
Lug, mine seems in pretty good shape, but the inner ring appears to have slipped out about 1/8-1/4". Initially, I thought I could just smack it back in. But a buddy/mechanic said that cannot be done and that I have to replace it.

68, the hot water sounds easy enough. I figured I would use like a pencil torch. I just want to be careful about heat getting to that elastomer ring. I have gears in there that look rather new to me, no chain ('65 I6-250).
A few minutes of 212 degrees won't hurt the h-balancer. I have used a heat gun in the past but I wouldn't use any flame on it. Also, most shops (and professional mechanics) cringe when you talk about smacking or whacking anything but I've done it with no ill effects. However, the last 250 I overhauled I had the crankshaft drilled an tapped for a bolt. Lot easier to install the h-balancer.
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68 GMC 250/3 speed Saginaw p/b p/s
69 Chevy 350/350 currently in pieces still lookin for a cab
06 Trailblazer
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