TwinTurbo.NET: Nissan 300ZX forum - Couple things have changed so I just updated my profile
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Subject Couple things have changed so I just updated my profile
     
Posted by rcmadness on March 12, 2014 at 9:23 AM
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In Reply To Mike Jackson's Z on the dyno. High Compression Twin GTX3576 posted by JDAVE on March 10, 2014 at 02:58 PM
     
Message I couldn't get the Tomei head gaskets to seal. Went thru two sets and a total of 3 different holes blew out the firing ring. Went back with stock head gaskets and didn't have an issue.

After the first time the head gasket blew I had the block o-ringed and ran a copper ring placed in the center of the firing ring on the Tomei MLS gasket. It failed in 45 minutes of run time. It looked like the pressure went past the firing ring and then underneath it and pushed it back into the combustion chamber. I put the stock gasket back on with new copper O-rings and it held.

Felt I should share that since I hadn't updated my profile....

     
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