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prostockcat 05-02-2015 12:16 PM

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

dennis r 05-03-2015 11:59 PM

What did you have on them before

prostockcat 05-04-2015 05:16 AM

1000 4150 style carbs

Black Baja 05-04-2015 06:01 AM

Not trying to be smart. But just how Novice are you? What has been done to this point to get them to idle?

prostockcat 05-04-2015 07:55 AM

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

ezstriper 05-04-2015 07:56 AM

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 ?

fbc25el 05-04-2015 08:19 AM

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.

Black Baja 05-04-2015 09:17 AM


Originally Posted by prostockcat (Post 4300017)
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...

ezstriper 05-04-2015 10:22 AM

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

prostockcat 05-04-2015 03:24 PM

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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