09-14-2020, 05:05 PM
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CC Member
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Join Date: Apr 2004
Location: Long Beach,
CA
Cobra Make, Engine: BDR #168 427W 66+K miles and counting
Posts: 341
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Not Ranked
Idle rpm changed with air/oil sep installation...
...in the PCV system. I have a QuickFuel SS750 carb that was tuned quite well until I needed to install an air/ oil separator in the PCV system. The idle dropped from 850-900 rpm to about 700 and less, apparently due to the new restriction in the PCV line to the manifold. Sometimes it would just die. I used the curb idle screw to regain my target idle rpm, but then the engine would overrun/diesel when I shut it down.
I don't like dieselling, but having to heel and toe at every stop just to keep the engine running isn't a lot of fun.
Suggestions on how to recover idle rpm without the evil dieselling?
Thanks in advance
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Bill
"If your work speaks for itself, don't interrupt"
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