Quote:
Originally Posted by SquirrelSOHC
okay... sorry for not making myself clear the reason i think that is because it is very large piping and when off the throttle cold air can rush in causing the hot exhaust valve to loose temp fast making it warp. Like i said it was just a rumor i have read before and i wanted to get some helpful input before i go and spend the money on a head thanks anyway..
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I've never heard that before. sounds like you just got a shitty motor.