@LeMans850i posted:@stevebuchanan there are way to many people out there that don’t know how it works and all the advantages a PCV has..
including no oil fumes..
Others have tried the drag racing solution of getting vacuum by connecting to the header collectors.
There are two issues with that. 1) it only provides about 7" of vacuum and only at WOT 2) it sucks oil out of the valve covers into the exhausts
By the same token, the engine can't use more then about 10" of vacuum in the PCV system safely. At 12", the oil control rings can collapse or at least loose their effect.
You can see oil on the plugs in a stock engine run hard. So the balance needs to be just right. More vacuum isn't necessarily better.
Stock cams can give you over 17-18 inches but the stock PCV system bleeds off 4-5 inches into the air cleaner, so that's the way the "factory" balances that out into a "safe range".
Incidentally, the Chevy L-88 PCV is special to that engine because that engine only has 10-11 inches at idle as built.
The issue is that the current aftermarket valves are very, very , not good and you would need to find an original GM part that still works.
The ME Wagner is a much better solution.