Hey folks. I wanted to give an update on my 04 GXP with the blown head gasket. I was not financially able to swap the motor with a rebuilt one. Prices ranged between 7k and 12k. Found some off the shelf head gasket sealer products but none seemed to have any good reviews or resulted in a long term fix. After googling “northstar head gasket problem” I discovered a product called THERMALWELD. It was more than twice the price of any of the off the shelf head gasket sealer products and couldn’t find any online reviews of the product. The car is a cream puff and only had 123k miles. I couldn’t in all good conscience let it end up in a junkyard. So I pulled the trigger and spent the $250 bucks. The company rep Mr Hooper walked me through the treatment process and within 5 minutes the coolant stopped pouring out of the exhaust. I’m a believer! The stuff worked! 6+ months later and I’m still using it as my daily driver. It’s a miracle!

That is a miracle. Cool to see it work out.

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95 SLE... a keeper. 241k miles. Low and Slow.
97 BMW 528i
98 Infiniti vq35'd i30: 13.3@104mph, 30MPG Hwy (RIP)
02 Jag X-type
03 BMW M5
05 Chevy Cobalt LS
07 Infiniti G35s 6MT (Sold)
07 Ducati Monster S2R 800 with DS1000 swap
83 Yamaha IT175K
72 Yamaha DS7: '74 RD250 swap, JL chambers

Info on dropping a 92-99: Here.