| 500, 472, 425, 368 This forum is to discuss the old big block Cadillac engines. | Cadillac Forums: 425s PCV system, smoke comes out the filter hole 
10-22-03, 07:59 PM
|  | Banned Cadillac(s): 1995 ETC, 75 Deville, Cad500 powered 73 Apollo, 94 Mark VIII  | | Join Date: Aug 2003 Location: Albuquerque, NM Age: 22 | | | 425s PCV system, smoke comes out the filter hole
After I reinstalled my carb I had my mom sit in the cab and rev the engine. She put it into drive and at high RPMs, some white smoke (combustion blow by gasses?) came out of the PCV filter hole. There was no filter at the time, but I have since put one on. What's up with that? The PCV valve clicks like its sposed to, and there's plenty of suction at that location. How bad is this? What can I do about it? |
10-22-03, 09:55 PM
|  | Cadillac Owners Master | | Join Date: Jan 2003 Location: Newtown, PA Age: 50 | | | Re: 425s PCV system, smoke comes out the filter hole
A certain amount is normal. That's why there is a PCV system. |
10-23-03, 04:00 AM
| | Cadillac Owners Connoisseur Cadillac(s): 1988 Allante' (sold), 1984 Eldorado 4100 91 Allante | | Join Date: Feb 2003 Location: california Age: 62 | | | sounds perfectly normal to me. |
10-23-03, 08:41 PM
| | Banned Cadillac(s): 1995 ETC, 75 Deville, Cad500 powered 73 Apollo, 94 Mark VIII | | Join Date: Aug 2003 Location: Albuquerque, NM Age: 22 | | | Hmm the PCV system is to take the gasses and put them into the intake to be burned again, so I don't know why they'd be coming out the filter hole - seems like it's the wrong way. Just doesn't make sense to me. But even if it wasn't normal there's nothing I can do about it, so whatever. | | Cadillac Discussion Tools | | | 
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