white smoke from tail pipe

1998 CHEVROLET VENTURE
190,000 MILES
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MARTYMATTY
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hello lets begin had white smoke from tail pipe.This is a chevy ventyre 1998. Chage upper and lower intake gaskets. Checked cylinder pressure,was good.Than started engine for a sec or two seem to run fine. But alas after adding antifreeze, and started it again?

What did I do wrong?

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Dec 12, 2011 at 2:55 AM
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JACOBANDNICKOLAS
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Did you check for a head gasket leak?
Dec 12, 2011 at 3:02 AM
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MARTYMATTY
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No just the cyclinders they run 90 to 120 all six. I was tring not to remove exhuast maniflods
Dec 12, 2011 at 3:19 AM
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MARTYMATTY
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and no water on dip stick,untill change intake gasket
Dec 12, 2011 at 3:23 AM
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JACOBANDNICKOLAS
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90psi is low for a cylinder and you have a 25% difference between the highest and lowest. I think the 90 psi cylinders may have the problem.
Dec 12, 2011 at 5:01 AM
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MARTYMATTY
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I check the cylinders twice.The frist time one or two were 90 plus. The second time they jump to 120 and above to 150. I have them wrode down some, will try to find them. thank you
Dec 13, 2011 at 2:08 AM