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Discussion Starter #1
I just successfully finished my DOHC swap and got her running great without any engine codes. I've been driving it daily for about two weeks now and I have discovered a new problem. Whenever I start it up, a lot of white smoke blows out of my exhaust tip but after about 10 minutes it goes away. Now I researched be possible reasons for this white smoke and I found out that it's either a cracked block, warped head, or blown head gasket. Can anyone help me out with this? Thanks in advance.
 

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Discussion Starter #4
Will do. The car is running great and it only smokes when I start it. I drove it yesterday and it barely smoked at all. I'll do the compression test though.
 

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Discussion Starter #6
I did. I bought the sonata book and followed the directions. I got the head from the junkyard so it's possible that the head was warped when I got it cuz I didn't resurface it at all. But it just started smoking now, and I've been driving it daily without any problems for a couple of weeks now and then all the sudden it starts smoking when I first start it. It's not a lot of smoke but it shouldn't be doing this.
 

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Discussion Starter #7
I didn't put any gasket sealer on the head gasket when I out the head on. I didn't think I was supposed to. Should I have?
 

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I think your problem is not having the head decked and pressure tested. For shits and giggles, how many miles did the donor have before you pulled the head?
 

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Its definitely white smoke and not white/blueish smoke? Other than the smoke color, it would sound like valve stem seals to me.
 

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Discussion Starter #12
The smoke only happens when I first start the car, then when it gets up to running temperature it's only about the same as 2 cigarettes burning.

When I had my coolant leak I could smell the steam and now my exhaust smells similar to that. I read about a test I could do by forcing air in the spark plug holes and checking the radiator cap for bubbles.
 

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Discussion Starter #14
I've been taking her out for some short drives these past few days and now there's no smoke whatsoever and the exhaust smells normal. idk what that was all about.
 
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