Tech / General EngineIs your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
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When I rev the engine pretty high I get a bit of white smoke... Oil isnt milky coolant isnt getting low.... Whats the deal? Could I be running rich? Valve seals are brand new!!! Anyone have any ideas? -Cale
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So you think I am too rich with my air fuel ratio? Is there a decent and inexpensive wideband o2 sensor set up anywhere besides edelbrocks? I am thinking it was fuel too
My wife says it smokes white when I start up and when I full throttle it.
I have an electric pump so it could be residual fuel in the engine during startup and too much fuel due to FPR
yeah....seems like it'd be coolant honestly. could be a leaky intake gasket. and learn how to read your plugs man! there are ways to tune the car without using a wideband A/F Ratio guage, lol! you'll want the white part of the plug to be white or a hint of grey...
__________________ Matt
370ci LSx, "Close Enough Racing" th400, Transmission Specialties XHD9" 4500 stall converter, Moser 9" 4.30's, Mickey Thompson 28x10.5S's rollin' on BS Street Lites. Pump gas and street driven...doin' it all motor!
I much rather it be an intake gasket than the head gaskets... Still doesnt explain why the oil is fine.If the intake gasket is bad and leaking all up in my lifter valley how would the oil be clean and translucent the way new oil looks and not milky?
it doesn't have to leak into the lifter valley, the coolant passage is RIGHT next to the intake runner...if the gasket has been compromised there, the coolant could leak right into a cylinder. pull the plugs ans see if there are any wierd deposits on them, or if they're wet or anything.
__________________ Matt
370ci LSx, "Close Enough Racing" th400, Transmission Specialties XHD9" 4500 stall converter, Moser 9" 4.30's, Mickey Thompson 28x10.5S's rollin' on BS Street Lites. Pump gas and street driven...doin' it all motor!
I'd just keep an eye on coolant level. If you're burning coolant, it'll take a little while, but it'll be noticeable in the level of the fluid soon.
And yea, black smoke would be rich, white (pretty easy to tell the diff) *shouldn't* be rich. Rev the car where it pukes white, then shut'er off right away, and pull the plugs. If one or two are getting water in it then it'll be obvious. ie, 2/8 plugs will look "different" from the rest, and that'll be all the testing you need to do.
__________________ Matt
370ci LSx, "Close Enough Racing" th400, Transmission Specialties XHD9" 4500 stall converter, Moser 9" 4.30's, Mickey Thompson 28x10.5S's rollin' on BS Street Lites. Pump gas and street driven...doin' it all motor!
-Cale 
