[Fot] Cometic TR3 head gasket

[Steven Belfer]

Sure custom pistons can be ordered to whatever specs you want, but if  
you want to run what you've got, perhaps this HG is a little too thick  
to get the desired CR.

~Steve


On Aug 9, 2010, at 4:40 PM, Larry Young wrote:

This issue of head gasket thickness has puzzled me for some time.  I  
understand why this was such a big issue in the old days, because  
people used off the shelf pistons.  However, now if you're racing a  
TR3 or TR4 and want 87mm forged pistons you probably have to order  
them custom made from someplace like Wiseco.  Why not order them with  
a greater compression height to make up for the thicker head gasket?   
I believe 2.00 inches puts the top of the piston at the top of the  
liner.  If you're head gasket is 0.045, you could order a 2.10  
compression height for an 0.035 clearance.  This is pushing the limit,  
so you'd have to be sure you've got all the correct dimensions.  Am I  
missing something?
Larry Young
> MadMarx wrote:
>> Thank you Jim for the information.
>>
>> Quite thick as this thick gasket would need some further grinding  
>> of the
>> head to achieve the compression ratio.
>>
>>
>> Seems that I have to stay with the normal steel head gaskets.
>>
>>
>> Cheers
>>
>> Chris
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