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head gasket. Just cause you changed it does not mean it didnt crack or leak again. After all you are driving car under race conditions.


if it is smoking white when you turn on the car there is coolant getting in the cylinders some how. Bet you a dollar the head was not torqed down right or the head bolt worked its way lose..... or the head bolts where not replaced with new ones and torqued down to the right specs. Need to replace the bolts every time you take off the head unless you use APR head bolts.


you have super heated gas coming through one of the cylinders and it is super heating your coolant. head bolts need to be check for proper torque after driving then for a while from a fresh rebuild.


Had my MR2 over heat before dude to HG... it was a some of a *itch to deal with. I didnt have a garage and still dont so i didnt have place to rebuild so i poured some head gasket sealer into the coolant and let the car run that way. That stuff is suppost to turn to glass at higher temperatures to "seal" the leak. This tempory solution but i have hear of people driving their cars for years... and i have to say my MR2 had good results. But you race, so get your system presure tested for a few bucks to see if thats the problem.


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