Thread: Completely Rebuilt 427 FE - Still smokes!!!

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Originally Posted by HOSS429

are you running an automatic trans .. perhaps the modulator valve is leaking .. sucking trans fluid into the motor .. makes pretty blue smoke .. if so unhook it and see if it clears up ..

Running a 4 speed manual.
Do you have any other solutions?
Thank you for responding.

I appriciate all of you taking the time to help me with this problem. Sorry it is taking me so long to respond. I am talking it through with my father trying to figure out what has and has not been done to the motor. But we do not live together so the conversations are taking place over the phone. I will reply to all comments as soon as we get our information straight.
Thank you all so much for your comments.

When you say valve stem seals, did you actually measure the fit of the valve to the guide? Knurling them will fix the problem for a few miles - maybe, but replacing the guide is the only sure repair. Fords are notorious for wear and just replacing the seals will not cure the problem. These engines are not friendly to work on with that monster intake that is actually is part of the head. Gaskets easily move or are damaged - then oil consumption and/or vacuum leaks. Often you can hear hissing or see excessive oil fill tube vapor if a gasket is a cause