Originally Posted By ademon
I did block the IAB on the outer carbs and the idle drops, so I'm pretty sure they add to the idle and also help to keep the fuel fresh if you never crack open the outer carbs.


Do your outboards have air/fuel adjustment screws on them? Mine don't. That's why I assumed they don't have idle circuits.

1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)