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Re: Holley dominator issues
[Re: Cape]
#3055286
07/02/22 04:00 PM
07/02/22 04:00 PM
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Joined: Sep 2014
Posts: 4,457 Washington
madscientist
master
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master
Joined: Sep 2014
Posts: 4,457
Washington
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Probably 3 circuits and no power valve. Way more work to unscrew it.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: Holley dominator issues
[Re: Cab_Burge]
#3055287
07/02/22 04:05 PM
07/02/22 04:05 PM
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Joined: Jun 2014
Posts: 3,163 Md.
carnut68
master
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master
Joined: Jun 2014
Posts: 3,163
Md.
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Send it back to him or return all the bleeds and jets to stock and try that, no way in the world it shouldn't rev up in neutral due to flooding like your describing Not good at all Send it to Dominic [Thumper Carbs] he'll fix it.
America First!
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Re: Holley dominator issues
[Re: fbs63]
#3055426
07/03/22 09:08 AM
07/03/22 09:08 AM
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Joined: Jan 2003
Posts: 4,270 Morrow, OH
markz528
master
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master
Joined: Jan 2003
Posts: 4,270
Morrow, OH
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So it was a used carb? Could someone have messed with it?
If you send it to Gary pretty sure he will charge you for a full rebuild. My experience with him on that is that won’t be cheap.
67 Coronet 500 9.610 @ 139.20 mph 67 Coronet 500 (street car) 14.82 @ 94 mph 69 GTX (clone) - build in progress......
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Re: Holley dominator issues
[Re: Cape]
#3055446
07/03/22 10:31 AM
07/03/22 10:31 AM
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Joined: Jul 2004
Posts: 19,317 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,317
State of confusion
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That's a lot of carb for only 850 hp for starters and usually if it falls on it's face like turning off a light switch, it lean not rich. If it blubbers then picks up it's usually rich.. I run 1050ish billets on similar combos and they run awesome and support 950+ hp easily....
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: Holley dominator issues
[Re: Cape]
#3055483
07/03/22 11:41 AM
07/03/22 11:41 AM
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Joined: Jan 2003
Posts: 30,995 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 30,995
Oregon
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Could be anything. Maybe something simple or it could be something really wrong. Only way to know is to take it all apart and try to figure it out. That size of carb will make great power on the dyno but it might not drive very well on the street. You'll just have to figure out what your priorities are. A nice 1050 usually works best for the street and often for the track. Once you get to the really big carbs they can act a little "funny". We've run a lot of big carbs on the dyno and most of them have problems. The 1050 design is very solid and there are really good 1250 carbs out there but the big carbs seem to have issues more often than not. You might try Lightning Carbs https://www.facebook.com/lightningracingcarburetors/ He is a Moparts member but I haven't seen him post for a while. He has a booster flow setup so he can figure out pretty quickly if the carb is going to work or not. My guess is that your carb has some sort of booster issue. If so, it can be a difficult thing to sort out without having the correct tools. The really big carbs sometimes have booster signal issues and the average guy doesn't have a chance to solve that stuff. Good luck!
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