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Having just finished a top end engine rebuild on a 1992 9KT, I don't know what the root cause of the head gasket failure was, but it literally came apart in small pieces when the head was removed. A few of the water passages were essentially blocked, the rest were at least 50% blocked. To me that spells out cheap coolant and a lack of maintenance. Also one of the fire rings was slightly bent on cyl #1, right by where one of the passages was completely blocked, leading to a hotspot which caused detonation, damaging the fire rings, which ultimately led to the gasket failing. Should have taken pics of it, I'm amazed the gasket held out as long as it did!
posted by 65.56.9...
Posts in this Thread:
- engine temp in traffic, bg, Thu, 8 Nov 2001 11:49:57
- Re: Steady engine temperature, BobS, Thu, 8 Nov 2001 22:20:09
- Re: engine temp in traffic - corroded wires in bundle, RedAero93, Thu, 8 Nov 2001 15:17:43
- Re: engine temp in traffic, Ari
, Thu, 8 Nov 2001 12:01:24 - I'd like to see that 1926 Saab 90! Didn't know they had, jmike
, Thu, 8 Nov 2001 11:59:28
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