73-87 Chevy _ GMC Trucks > Engine/Drivetrain
350 HO smoking on start up
OKChevy1986:
I have a 1980 Chevy K10 that I just had a new Chevy Performance 350 HO put in. It has approximately 300 miles on it so far and has been puffing white smoke on start up since it was put in No smoke with acceleration or idle. Is this something I should be concerned about? Thanks in advance
peewee0413:
Keep an eye on your coolant levels. Could just be condensate...
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peewee0413:
Hoe long does it last? You can have a buddy start it and see if it smells like oil.
If so then it's valve stem seals...although the color is blue not white. Sometimes people confuse it though.
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peewee0413:
Single or dual plane intake?
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OKChevy1986:
It only lasts about 4 or 5 seconds and it has the Chevy Performance dual plane intake with the 670 cfm Holley that came with the engine.
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