Jer
Jedi Warrior
Offline
My 67 has the original "pancake" style pcv valve installed, I originally had issues when I first purchased the car years ago & it turned out that the DPO had removed the spring from inside when installing a new diaphram... so I ordered a whole new unit & it has been working just fine since (no more smoking out a city block..) This season at random times it has started smoking on me always when stopped at a light (& clears up right away after taking off), not every time but when it happens it is when I'm stopped at a light, this weekend I was out for a last ride of season (making sure the fuel stabilzer is all the way thru, there was no smoking issues, then I realized I still had the choke on part way (higher idle) so I took choke off all the way & it went down to low idle, next stop sign, it smoked on me... started thinking, this season I have had the idle lower than normal (because I liked the sound of the low idle - kinda Harley'ish) - I wonder if it's possible with a really low idle that the vacuum is to high for the pcv valve & causes it to act up ? just throwing the idea out there, not sure if others have noted this before, I know I can always order a new pcv valve or retro fit one from a nissan sentra (I think) etc. But wanted thoughts on having the idle to low causing issues with PCV valve... Obviously next season I will bump up the idle & see but thought someone would know for sure & save me 5 months of waiting - I have the idle so low you swear it would stall but it doesn't ;-)