Basically, that doesn't work. The stock gaskets have thin copper fire
rings and if they are exposed to the combustion chamber at all
without heat sink on both sides, they burn away. You either need
solid copper gaskets from Gasket Works or shim steel gaskets. You
might also need to stake your water passages, though it doesn't sound
like it. For that, and for any TR3 racing of any kind, you need Kas'
books. Buy two of each so you'll be able to find them. Cheapest
investment in successful TR racing that you can make.
On Sep 4, 2006, at 11:14 AM, KENMUN@aol.com wrote:
> fot, i recently modified the head on my tr3 vintage racer to
> increase the cr.
> i took .100" off the thickness and cc'ing calculates a 10.5/1 cr.
> the problem
> is that head gaskets only last about 15 mins. the failure modes are
> different
> : water in the oil, water in the cyl. i'm using the stock composit
> gaskets. i
> do notice that when viewed from the top that that the gasket does
> protude
> somewhat into the combustion chamber. this is only for about 20
> degrees and not
> more than about 1/8". anyone have any ideas? this could get
> expensive and it
> takes alot of the fun out of the race weekend. thanks, ken m.
>
>
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