Never had that problem. I just plug it into the air hose and the pressure goes to my tank pressure of 150psi. If it leaked down some the compressor would kick it. If the compressor won't hold it there would be a SERIOUS problem in the cylinder. KerryP Patch panels fabricated Pinkertonk@xxxxxxxxx dte.net/57imperial Imperials -- 50 Limo, 57 roadster, 61's, 62, 68 Convert, 73, a 66 300 and a bunch of lesser marques ----- Original Message ----- From: George Laurie <georgelaurie@xxxxxxxxxxx> To: <mailing-list@xxxxxxxxxxxxxxxx> Sent: Friday, June 13, 2003 8:45 PM Subject: Re: IML: smoking 392 > Yes but you will need to add some oil into the chambers before the air, > otherwise it will not hold the pressure well enough, George. > ----- Original Message ----- > From: <dardal@xxxxxxxxxxxxxxx> > To: <mailing-list@xxxxxxxxxxxxxxxx> > Sent: Saturday, June 14, 2003 10:08 AM > Subject: Re: IML: smoking 392 > > > > If its the valve stem seals, usually the car smokes a lot at startup. > Also, in > > the summer, the condition is usually aggrevated. > > > > I have heard that by pumping compressed air in the cylinder, you can > prevent > > the valves from falling when you remove the springs and retainer. If so, > you > > can replace the stems with the heads on. I can't see why this cannot > apply for > > a 392. > > > > D^2 > > > > Quoting "r.van.Lent" <remco.nancy@xxxxxxxxxx>: > > > > > Hi all > > > My 392 is smoking lika a steam train > > > I think the small rubber caps that are on the valve stems are gone > > > can I replace these without having to remove the cilinder heads > > > Regards remco > > > > > > > > > > > > >