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Old 09-07-2008   #5
GsXtUrBo98
 
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Join Date: Nov 2007
Location: lino lakes
Drives: 98 GSX, 04 is300
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Re: Blown head gasket= bad head???

Quote:
Originally Posted by JET View Post
That is not correct. Warping is caused by heat Yes, no head is perfectly flat, so it will twist some when put on (less than a human hair though, which is .003" - .004" BTW).

If you know the head was flat before and it was not overheated, then there is not point in taking it to a machinist unless you are having repeated problems. If you are blowing head gaskets because of poor tuning or too much boost, it will not normally warp the head.

In this instance I would get the head checked because you do not know the history of it. I just don't want people thinking that you need the head checked every time you change a head gasket and wasting their money.
Well put... and very informed.
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