[quote]ORIGINAL: jimcork1
ORIGINAL: Flypaper 2
I experimented with restrictor plates and with a 3/8" plate on the intake the engine idle went to 2700 rpm,, from 3100 rpm with no restrictor plate. The restrictor plate allowed the engine to pull more vacuum on the ventura to test my theory of too large a carb intake.
This is interesting, I would not have thought a restector plate would have any effect on the idle. The only effect I could see it having is turbulating the air/fuel mixture so it was mixed a little better, but at idle the engine shouldn't "see" it.