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Old 05-02-2015 | 12:16 PM
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From: sandown, nh
Default Dominator tuning

Got some new 3 circuit 1050 dominators from AED. For my 588s. I'm having some trouble getting these things to idle any tips out there for a novice person trying to tune the idle
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Old 05-03-2015 | 11:59 PM
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From: cedar springs mi
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What did you have on them before
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Old 05-04-2015 | 05:16 AM
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1000 4150 style carbs
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Old 05-04-2015 | 06:01 AM
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Not trying to be smart. But just how Novice are you? What has been done to this point to get them to idle?
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Old 05-04-2015 | 07:55 AM
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18degrees of timing at idle 36 total talking with AED I closed the secondary flaps so they are only a 1/2 turn from bottomed i did all the idle rpm adjusting off the primary to approx 1000rpm air screws on the 4 corners are at 2 turns i was able to get them much better yesterday with doing these adjustment. i am wondering what is going to happen when this thing is in the water when i pop it in gear with the 30p p5s on it
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Old 05-04-2015 | 07:56 AM
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what the timing @ idle ? 3 circut carbs are primarly for drag race apps when running off a trans brake and you are beyond the accel pump shot, the inetermediate circut gives you a extra shot of fuel to keep car from falling down on the launch. what is the issue with idle ?
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Old 05-04-2015 | 08:19 AM
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How much of the transfer slots are showing under the throttle plates? If you get too much showing you will be idling on them. A good place to start is about .020 showing.
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Old 05-04-2015 | 09:17 AM
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Originally Posted by prostockcat
18degrees of timing at idle 36 total talking with AED I closed the secondary flaps so they are only a 1/2 turn from bottomed i did all the idle rpm adjusting off the primary to approx 1000rpm air screws on the 4 corners are at 2 turns i was able to get them much better yesterday with doing these adjustment. i am wondering what is going to happen when this thing is in the water when i pop it in gear with the 30p p5s on it
Don't be afraid to open up the secondary curb idle to give it some more idle air. The some people adjust the primary / secondaries evenly. I usually open up the secondaries a tad more than the primaries to make them idle. I would turn the mixture screws in a little and open up the secondaries a little more and see what that does. I'm not familiar with the AED stuff but the new Holley Ultra's idle like a dream and recover very well in and out of gear...
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Old 05-04-2015 | 10:22 AM
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if you lock the dist and run full advance at idle will clean up a ton, as long as it starts ok, run several from 28-32 and no starting issues
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Old 05-04-2015 | 03:24 PM
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i run duis im thinking of shrinking up the advance window so i can run a few more degrees of timing at idle to see if that cleans em up
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