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Re: Best custom racing carb? [Re: 469runner] #3015966
02/16/22 11:51 AM
02/16/22 11:51 AM
Joined: Jan 2003
Posts: 3,584
Shelby Twp. Mi
HardcoreB Offline
master
HardcoreB  Offline
master

Joined: Jan 2003
Posts: 3,584
Shelby Twp. Mi
Dominic worked with me on the build of my carbs. Although, I haven't changed anything but 1 jet size from his baseline values. I really don't expect MUCH more than what it's given already! That is based on both performance and O2 sensor feedback so, I have to call that a 'nailed-it'. I will add the metering is on the safe side which again in my book is 'nailed-it'. But for some reason we don't talk much anymore. Like anywhere else, I believe many pic his brain and don't reciprocate/compensate.

FullWireOn.jpg
Last edited by HardcoreB; 02/16/22 11:56 AM.
Re: Best custom racing carb? [Re: HardcoreB] #3015984
02/16/22 12:22 PM
02/16/22 12:22 PM
Joined: Feb 2005
Posts: 19,653
PA.
pittsburghracer Online work
"Little"John
pittsburghracer  Online Work
"Little"John

Joined: Feb 2005
Posts: 19,653
PA.


Dominic does some beautiful work as I follow him on Facebook. He lives in a beautiful but cold part of the country since his move. Future plans should work out great for him and his customers. I wish him nothing but good luck


1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Best custom racing carb? [Re: 70satelliteguy] #3016001
02/16/22 01:00 PM
02/16/22 01:00 PM
Joined: Sep 2019
Posts: 28
coquille oregon
1
1savoyracer Offline
member
1savoyracer  Offline
member
1

Joined: Sep 2019
Posts: 28
coquille oregon
I have one from Luke Seibert, a 1050 dominator, and I am very happy with it.

Re: Best custom racing carb? [Re: HardcoreB] #3018775
02/25/22 10:05 AM
02/25/22 10:05 AM
Joined: Jul 2004
Posts: 19,313
State of confusion
T
Thumperdart Offline
I Live Here
Thumperdart  Offline
I Live Here
T

Joined: Jul 2004
Posts: 19,313
State of confusion
I'm actually busier than ever from FB or word of mouth but yes, you can still call me and yes I'm here for you guys. I'm very impressed with how your bad azz car is running and I appreciate the props....


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.....
Re: Best custom racing carb? [Re: pittsburghracer] #3018784
02/25/22 10:33 AM
02/25/22 10:33 AM
Joined: Dec 2021
Posts: 810
Loudoun County, VA
Brad_Haak Offline
super stock
Brad_Haak  Offline
super stock

Joined: Dec 2021
Posts: 810
Loudoun County, VA
Originally Posted by pittsburghracer


Dominic does some beautiful work as I follow him on Facebook. He lives in a beautiful but cold part of the country since his move.


He's morphed from Desert Rat to Snowman wink


2021 Challenger 6.4L Scat Pack 1320 (2022)
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
wheels, tires, air filter: 1.714, 11.833 at 115.80 (DA 310 ft)

1973 Challenger 452 ci street/strip (2008)
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
Re: Best custom racing carb? [Re: Brad_Haak] #3018816
02/25/22 12:16 PM
02/25/22 12:16 PM
Joined: Mar 2004
Posts: 774
MD
HEMI472 Offline
super stock
HEMI472  Offline
super stock

Joined: Mar 2004
Posts: 774
MD
why not pro systems ??? are they bad ???

Re: Best custom racing carb? [Re: HEMI472] #3018835
02/25/22 01:27 PM
02/25/22 01:27 PM
Joined: Dec 2021
Posts: 810
Loudoun County, VA
Brad_Haak Offline
super stock
Brad_Haak  Offline
super stock

Joined: Dec 2021
Posts: 810
Loudoun County, VA
Originally Posted by HEMI472
why not pro systems ??? are they bad ???

popcorn


2021 Challenger 6.4L Scat Pack 1320 (2022)
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
wheels, tires, air filter: 1.714, 11.833 at 115.80 (DA 310 ft)

1973 Challenger 452 ci street/strip (2008)
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
Re: Best custom racing carb? [Re: HEMI472] #3018838
02/25/22 01:42 PM
02/25/22 01:42 PM
Joined: Jan 2003
Posts: 2,709
A shed in England
Tig Offline
master
Tig  Offline
master

Joined: Jan 2003
Posts: 2,709
A shed in England
Originally Posted by HEMI472
why not pro systems ??? are they bad ???

Mine was great. We switched from an off the shelf 1050 Dominator (on a well used and scienced out 528 motor), to a Pro Systems dom that was built for my new (at the time) 572. I think it was rated around 1200cfm, I can't remember. Anyway, we also swapped out the manifold (440-3) to a 440-3X (again for the 572) and picked up 2 10th's. We ran it for the rest of the season, after a little tweaking, it ran a best of 10.003 @ 137 compared to the 10.3?? (it's previous best). So a solid 3 10th's overall. Pretty sure this was about 12 - 13 years ago.


'74 Challenger..9.46 and 145.9 so far. 4023lb!!!# N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @142.4 with our old mule 580 wedge
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
Re: Best custom racing carb? [Re: Brad_Haak] #3018846
02/25/22 02:05 PM
02/25/22 02:05 PM
Joined: May 2004
Posts: 12,124
Taxes & Virus's R-US, NY
Dragula Offline
I Live Here
Dragula  Offline
I Live Here

Joined: May 2004
Posts: 12,124
Taxes & Virus's R-US, NY
Originally Posted by Brad_Haak
Originally Posted by HEMI472
why not pro systems ??? are they bad ???

popcorn


Both mine was so far off, car wouldn't leave the garage under its own power. Go with Thumper and have one of the best carbs you will ever have....


'70 Cuda,...605 Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: Best custom racing carb? [Re: HEMI472] #3018885
02/25/22 04:21 PM
02/25/22 04:21 PM
Joined: Nov 2011
Posts: 267
PA
Harry's Taxi 2 Offline
enthusiast
Harry's Taxi 2  Offline
enthusiast

Joined: Nov 2011
Posts: 267
PA
Originally Posted by HEMI472
why not pro systems ??? are they bad ???



I was pretty hard on Pro Systems a while back, but after tuning with an O2 recorder, they (2-750ish's tunnel ram) weren't that far off as far as fuel curve and jetting.

Where i was really irritated was the idle and off idle initial performance.
Moving the idle jet to the lower position and some minor tweaking got them working quite well. I'm working with a pair of Dambest's now, so we'll see how they compare this season.

My brother bought a 906hp Hemi from Barton a while back and it came with a Pro Systems 1250 on it.


'86 Maple Grove KOS Mopar low qualifier......true street legal with no power adders.

NOS-used when losing since 1940.

Re: Best custom racing carb? [Re: Dragula] #3018889
02/25/22 04:25 PM
02/25/22 04:25 PM
Joined: Jan 2003
Posts: 7,813
Plymouth, MI
Blusmbl Offline
master
Blusmbl  Offline
master

Joined: Jan 2003
Posts: 7,813
Plymouth, MI
Against his better judgement, last year a friend had a Dominator redone by Pro Systems, and similar experiences. The carb came back with a ton of work done to it, and might have still been ok at WOT, but he absolutely ruined the part throttle drivability. He couldn't go around the block anymore without the plugs getting fouled. Was a super common combo too, just an LS7 big block Chevy shortblock with a normal sized roller cam and single 4 intake.


'18 Ford Raptor, random motorcycles, 1968 Plymouth Fury III - 11.37 @ 118
Re: Best custom racing carb? [Re: Blusmbl] #3019321
02/27/22 09:16 AM
02/27/22 09:16 AM
Joined: Jul 2005
Posts: 1,297
Penna
7
70satelliteguy Offline OP
pro stock
70satelliteguy  Offline OP
pro stock
7

Joined: Jul 2005
Posts: 1,297
Penna
I have contacted Dominic and he is currently building my carb. Customer service and your recommendations was what sold me. I like the fact that he was willing to talk with me extensively about my combination on several occasions. I can't wait to try the new carb out!
Mike

Re: Best custom racing carb? [Re: 70satelliteguy] #3019323
02/27/22 09:22 AM
02/27/22 09:22 AM
Joined: Jul 2004
Posts: 19,313
State of confusion
T
Thumperdart Offline
I Live Here
Thumperdart  Offline
I Live Here
T

Joined: Jul 2004
Posts: 19,313
State of confusion
I appreciate the opportunity to build what I and many others feel are one of the best carbs out there and I don't know anyone who hasn't picked up unless they didn't say anything to me and if so, I will always try and make whatever right....

Last edited by Thumperdart; 02/28/22 08:45 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.....
Re: Best custom racing carb? UPDATE! [Re: Thumperdart] #3023411
03/12/22 08:50 PM
03/12/22 08:50 PM
Joined: Jul 2005
Posts: 1,297
Penna
7
70satelliteguy Offline OP
pro stock
70satelliteguy  Offline OP
pro stock
7

Joined: Jul 2005
Posts: 1,297
Penna

Here is my new custom carb from Dominic(THUMPER CARBS) that is on the way! Great Fast customer service. Can't wait for racing season to start and give it a try.

Mike
p.s. Sure it pretty

66879452778__D9924209-0294-408D-9F5D-262F3168A775.jpg
Re: Best custom racing carb? [Re: pittsburghracer] #3023415
03/12/22 09:00 PM
03/12/22 09:00 PM
Joined: Jan 2003
Posts: 16,790
Western NC
440Jim Offline
I Live Here
440Jim  Offline
I Live Here

Joined: Jan 2003
Posts: 16,790
Western NC
Originally Posted by pittsburghracer


We use nothing but APD with our alcohol carbs. I did some horse trading for a 1250 gas carb but haven’t tried it yet

I bought an APD alcohol carb a couple years ago, and love it. Calibration was great.
I originally borrowed the carb from another racer who was running race gas. I liked it so much I gave him the money to buy a brand new one from APD and kept the used one....

APD_carb3-30.jpg

1993 Daytona, 1973 Cuda 440, 2009 Challenger 5.7 Hemi, 2015 RAM 1500 5.7 Hemi 8-speed auto, Link to 572 B1 - Part 1
Re: Best custom racing carb? [Re: 440Jim] #3023419
03/12/22 09:34 PM
03/12/22 09:34 PM
Joined: Jan 2003
Posts: 30,213
Oregon
A
AndyF Offline
I Win
AndyF  Offline
I Win
A

Joined: Jan 2003
Posts: 30,213
Oregon
A good carb is hard to find. If you find one, keep it.

We tested several custom carbs last week on the dyno and they all sucked. We have a box stock Holley Gen 3 Dominator that just flat out works. It consistently runs better and makes more power than any of the "tuner" carbs that customers bring in. I don't have any explanation for it, just the way it goes.

Re: Best custom racing carb? [Re: AndyF] #3023442
03/12/22 10:57 PM
03/12/22 10:57 PM
Joined: May 2004
Posts: 12,124
Taxes & Virus's R-US, NY
Dragula Offline
I Live Here
Dragula  Offline
I Live Here

Joined: May 2004
Posts: 12,124
Taxes & Virus's R-US, NY
Originally Posted by AndyF
A good carb is hard to find. If you find one, keep it.

We tested several custom carbs last week on the dyno and they all sucked. We have a box stock Holley Gen 3 Dominator that just flat out works. It consistently runs better and makes more power than any of the "tuner" carbs that customers bring in. I don't have any explanation for it, just the way it goes.


Everyone keeps buying the Thumper carbs I get, and then I have to order another. Its like telling people isn't always enough...Show them the plugs after a day at the track and the performance you got out if it, and man they offer up the money....

His carbs respond to the smallest changes. You can dial them right to the edge....There are very few people I would order a 4500 carb from and feel comfortable that when I got it, it would be close enough for an idiot like me to tune it with a little over the phone help.


'70 Cuda,...605 Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
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