Posted by Bill Wincapaw on Monday, March 24, 2003 at 9:32PM :
In Reply to: Re: Smoking 230 in M37 posted by Allen patnode on Monday, March 24, 2003 at 9:04PM :
Also
If the Wiper vacuum pump is still hooked up on your truck then its possible the ( pump ) diaphram is leaking,then you could be sucking oil in to the intake manifold through it. Try disconnecting the line at the intake and run it that way for awhile.
Regards
Bill Wincapaw