Re: Need help tuning dominator for the street
[Re: Thumperdart]
#2538943
08/20/18 11:49 AM
08/20/18 11:49 AM
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Joined: Jan 2003
Posts: 13,351 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,351
Marion, South Carolina [><]
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Mine has a PV on the primary side BTW. It is far from a blubbery mess.
Guess I'm the odd man out in this conversation...different observations about a couple different carbs I've had here. Glad that works for you and apparently you got a good tune going............ Do you have a wide band to verify afr's at different engine speeds.......... Just asking to get info and understand how you verify that your 3-circuit is great on the street and has no blubbery or over rich issues cos if so, that's a good thing for sure just haven't seen it first hand.......... No wideband needed. After 12 years of street and strip use and never fouling plugs and running great, I'm perfectly happy w/ it. Sounds crisp, clean off the footbrake or the transbrake. Part throttle driving around town, no stumbles, or running rough. Which is a lot more than I can say for some other carbs I've had to mess with.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Need help tuning dominator for the street
[Re: Canam800]
#2546520
09/06/18 01:42 AM
09/06/18 01:42 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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Got the carb back from Dominic and back on the car. What a difference. The car runs great. Way cleaner and smoother. Going to take it out and drive it more only got to put a few miles on it. When it stops raining here I will log some more miles and report back . Very happy so far. Night and day difference very responsive. Thanks Dominic.
Thanks Brandon Was wondering how it worked out as I haven't heard from you guys and I start twitching in anticipation............Very happy that you're happy.........
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: Need help tuning dominator for the street
[Re: Canam800]
#2546695
09/06/18 02:18 PM
09/06/18 02:18 PM
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Joined: Aug 2003
Posts: 43,099 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,099
Bend,OR USA
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Last edited by Cab_Burge; 09/07/18 07:24 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Need help tuning dominator for the street
[Re: Thumperdart]
#2546842
09/06/18 07:16 PM
09/06/18 07:16 PM
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Joined: Nov 2011
Posts: 287 PA
Harry's Taxi 2
enthusiast
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enthusiast
Joined: Nov 2011
Posts: 287
PA
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Got the carb back from Dominic and back on the car. What a difference. The car runs great. Way cleaner and smoother. Going to take it out and drive it more only got to put a few miles on it. When it stops raining here I will log some more miles and report back . Very happy so far. Night and day difference very responsive. Thanks Dominic.
Thanks Brandon Was wondering how it worked out as I haven't heard from you guys and I start twitching in anticipation............Very happy that you're happy......... Thumper, could you give us the "recipe" you used for this application?
'86 Maple Grove KOS Mopar low qualifier......true street legal with no power adders.
NOS-used when losing since 1940.
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Re: Need help tuning dominator for the street
[Re: Harry's Taxi 2]
#2546855
09/06/18 07:36 PM
09/06/18 07:36 PM
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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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They vary but if you send yours you can see for yourself my "recipe"........ I look at the whole picture of the said vehicle and it's intended application and go from there but lets just say I tune like the baddest did in the 60's and 70's not like the monkey crap you see today........Less emulsion(2)normally and adjustable t-slot jets to keep em clean n mean till you wood the happy peddle..........
Last edited by Thumperdart; 09/08/18 01:34 AM.
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: Need help tuning dominator for the street
[Re: Canam800]
#2547324
09/07/18 07:18 PM
09/07/18 07:18 PM
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Joined: Nov 2011
Posts: 287 PA
Harry's Taxi 2
enthusiast
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enthusiast
Joined: Nov 2011
Posts: 287
PA
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dogdays, I understand that, but per thumpers own acknowledgment he was given quite a bit of free guidance in the past. I gotta eat too!
'86 Maple Grove KOS Mopar low qualifier......true street legal with no power adders.
NOS-used when losing since 1940.
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Re: Need help tuning dominator for the street
[Re: Harry's Taxi 2]
#2547340
09/07/18 07:50 PM
09/07/18 07:50 PM
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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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Nothing is free I'm here to tell ya..........Hundreds and hundreds of dollars on gas, plugs, oil, tires etc to learn this stuff and am still learning new and unexpected stuff. My numbers below if you want to call me anytime.......... And let's just say that the "free" info isn't always accurate..............
Last edited by Thumperdart; 09/07/18 07:51 PM.
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: Need help tuning dominator for the street
[Re: Canam800]
#2775707
05/18/20 12:59 PM
05/18/20 12:59 PM
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Joined: May 2020
Posts: 1 Ashburs, Virginia, USA
LayDeluca
member
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member
Joined: May 2020
Posts: 1
Ashburs, Virginia, USA
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Hello... i can say you need to try is setting the Closed Loop Compensation Limits down. In my case I pulled the distributor to find that the gear is pretty worn on the bottom leading edges of the teeth. It looks like I need to figure out a way to get my distributor depth just a little deeper. This would explain my jumpy timing. pcb manufacturing
Last edited by LayDeluca; 06/12/20 02:55 PM.
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