Our answer to a perfect idle was the new Holley Marine Dominators. Prior to this we fought numerous Holley Carbs including the 750, 850, 1050 and 1150 + BG's and 3 different after market carb gyros for over 20+ years. Today with pretty big cams making 700 lbs torque and 780 HP these engines now idle around the docks in and out of gear without touching the sticks. We can now idle as low as 450 RPM in gear without stalling.The next surprise with these carbs is you don't even need to re-jet or do anything except bolt them on. The real question is....how do they know?
Ben

You need to ask the Greys from Area 51. Lol. Before to long boats will cruise above the water. I'd take up badminton when that happens.

what is the idle timing set at?

If they are dominators the linkage inside could be hanging up. I would try external linkage.

Exactly! and possible cable adjustmeny

after checking the cable for holding it up, put a timing light on it and see what the timing is doing, I bet the advance is funky, also make sure the rotors are not loose, that has come up several times, I still like to lock the dist. cleans up the idle quite a bit.

Any updates on this.

IMO the easiest thing to do first is run the engine in the water - unhook the throttle cable and snap throttle to see if idle returns to normal like how it should.

back out the idle mixture screws 1/8 turn

timing is locked at 34 degrees . Im going to mess with it saturday ill try to fatten it up but it i think i have the idle screws out enough it smells strong! thanks for all the ideas

ck power valves for leaking