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2 circuit to 3 circuit Dominators?

Old 02-01-2012, 09:27 PM
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Default 2 circuit to 3 circuit Dominators?

Can 2 circuit dominators be reworked to a 3 stage in any way?
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Old 02-02-2012, 07:18 AM
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I don't think so. I don't see how you could drill out the upper air bleeds that control the middle circuit.
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Old 02-02-2012, 07:21 AM
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there is no reason to run a 3 circuit in a marine app, they are only designed for a drag race setup where you are leaving on a trans brake and 2 step where there is no accel pump shot left for the launch...
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Old 02-02-2012, 08:36 AM
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+1 you have the right carbs


Originally Posted by ezstriper
there is no reason to run a 3 circuit in a marine app, they are only designed for a drag race setup where you are leaving on a trans brake and 2 step where there is no accel pump shot left for the launch...
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Old 02-02-2012, 08:59 AM
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Whats wrong with your two circuit dominators??
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Old 02-02-2012, 01:11 PM
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I am certainly not a carb expert, but in the few carb engines I do, I use the 2 circuit. The 3 circuit carbs seem to have a rich spot in them at tip in that is next to impossible to get out. Stick with your 2 circuit carbs.
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Old 02-02-2012, 01:33 PM
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Originally Posted by bigfarmer
Can 2 circuit dominators be reworked to a 3 stage in any way?
That would be a question for Patrick@ Pro Systems carbs. I have always used a 3 circuit 4500 series carb with no tuning problems in the transition from idle to int to main circuit. Actually you can control your fuel curve off idle, into the 2nd circuit, with adding fuel to the main circuit. Have always used a 2 circuit type for a 4150 style, due to signal to carb.
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Old 02-04-2012, 08:07 AM
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worked on many dominators...actually had to mod a 3 circut to a 2 as would not leave the starting line clean in my top sportsman car...talked to the holley techs a lot on the issue...
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Old 02-04-2012, 03:18 PM
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Default Fixx

2 circuit N/A engines

3 circuit Blower engines
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Old 02-14-2012, 07:20 PM
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Originally Posted by mrfixxall
2 circuit N/A engines

3 circuit Blower engines
Exactly im looking to have a bit more tunability at idle. its hard to get best of both with the setup i have, Spent lots of time tuning and testing with these 2 circuits.
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