I'm a Thumpercarb fan
#2078401
05/22/16 07:08 PM
05/22/16 07:08 PM
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Joined: May 2006
Posts: 1,260 New Mexico
Adobedude
OP
pro stock
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OP
pro stock
Joined: May 2006
Posts: 1,260
New Mexico
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I had Dom tweak my Prosystems 950, fuel curve was good going down the track, but my eyes would water in the staging lanes, air bleeds were unresponsive, idle was pig rich.
When I got the carb back it is was 19:1 on idle, but a 1/4 turn out on the bleeds and it's 14:1 to 15:1. Surprisingly it might be a tad rich at WOT...But the carb responds to every little change I make now, plus as an added bonus...I've learned more about carbs in the past month talking to Dom than I have in my 3 years of running one.
Last night at my first TnT with it I ran: 11.39 11.39 11.38 11.33 best 60 of the night, 1.55 best ever 1.54. 11.37 11.36 DA started out over 7400' ended up at 6600', the 11.33 happened because I was playing with my launch RPM, I went back to my normal 2500. I'm ready to put some old school Mopars on the trailer at next Mopar Challenge series points race because race truck.
2001 Dodge Dakota 408 All Motor 11.27 @ 117.83 mph 2017 NM Mopar Challenge Series Champion.
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Re: I'm a Thumpercarb fan
[Re: Adobedude]
#2078460
05/22/16 09:42 PM
05/22/16 09:42 PM
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Joined: Jul 2004
Posts: 19,318 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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There's more there for sure w/a bit more tweaking but sounds deadly consistent...........Congrats............ It`s still down a solid.010 so when was the 11.27 best season wise and were the temps similar even though you said 6600+ ft..............
Last edited by Thumperdart; 05/22/16 11:26 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: I'm a Thumpercarb fan
[Re: Thumperdart]
#2078543
05/23/16 12:00 AM
05/23/16 12:00 AM
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Joined: May 2006
Posts: 1,260 New Mexico
Adobedude
OP
pro stock
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OP
pro stock
Joined: May 2006
Posts: 1,260
New Mexico
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When I made that 11.27 pass I was several months into it for the year, I've made a total of nine laps so far, I'll get there, and track conditions were horrid...I'm not blaming the track personnel, we had a water down with antifreeze and the guy stayed in the groove all the way down the track. I was talking to guys in the staging lanes during the clean up, when the VHT cart appeared I said "Great, now someone will break a rear end"...The VERY NEXT pass a guy blew up his transmission.
I was so excited about going to a test and tune I backed the truck off the trailer without the ramps...No harm done except a couple Chevy guys helped jack the rear of the truck up to get the ramps under the rear tires...And yes, they teased me about being a MOPAR guy.
Sorry...
2001 Dodge Dakota 408 All Motor 11.27 @ 117.83 mph 2017 NM Mopar Challenge Series Champion.
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Re: I'm a Thumpercarb fan
[Re: Adobedude]
#2078582
05/23/16 12:55 AM
05/23/16 12:55 AM
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Joined: Jul 2004
Posts: 19,318 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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You`ll get it man..............
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: I'm a Thumpercarb fan
[Re: Adobedude]
#2078603
05/23/16 01:29 AM
05/23/16 01:29 AM
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Joined: Nov 2011
Posts: 2,154 Its a TRAP!
DARTH V8Я
Oh No!! I just had a moron attack!
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Oh No!! I just had a moron attack!
Joined: Nov 2011
Posts: 2,154
Its a TRAP!
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I remember the first test & tune os the season I went too. Was a 69 Charger, 440-4speed. High performance this and that, 4.30 rears, M&H racemaster slicks, blah blah. Consistent mid 11 car. Then all the sudden I blew the tires off and went a 14 something at some killer mph. Anyways got back in line. Same thing. Hmmmm. Got back in line, and for a third time, same damn thing. Went back to my buddies truck where I kept spare parts, jack stands, floor jack, and my M&H's still sitting in the back of the truck.
When it takes more than a sweet mullet to prove you rule at the trailer park..
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Re: I'm a Thumpercarb fan
[Re: Adobedude]
#2078621
05/23/16 01:55 AM
05/23/16 01:55 AM
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Joined: May 2006
Posts: 1,260 New Mexico
Adobedude
OP
pro stock
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OP
pro stock
Joined: May 2006
Posts: 1,260
New Mexico
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This wasn't my first test and tune, just the second time out this year and the first I've raced for fun since last October...It was a kick, once I got the truck off the trailer....LOL
2001 Dodge Dakota 408 All Motor 11.27 @ 117.83 mph 2017 NM Mopar Challenge Series Champion.
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Re: I'm a Thumpercarb fan
[Re: Adobedude]
#2078623
05/23/16 01:58 AM
05/23/16 01:58 AM
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Joined: May 2006
Posts: 1,260 New Mexico
Adobedude
OP
pro stock
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OP
pro stock
Joined: May 2006
Posts: 1,260
New Mexico
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Action photo from last year.
2001 Dodge Dakota 408 All Motor 11.27 @ 117.83 mph 2017 NM Mopar Challenge Series Champion.
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Re: I'm a Thumpercarb fan
[Re: J_BODY]
#2078784
05/23/16 12:52 PM
05/23/16 12:52 PM
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Joined: May 2006
Posts: 1,260 New Mexico
Adobedude
OP
pro stock
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OP
pro stock
Joined: May 2006
Posts: 1,260
New Mexico
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Albuquerque? visited there last July testing a buddies stocker. Just a lil bit of DA! Yep...Albuquerque. Capital of Green Chile Cheeseburgers and DA.
2001 Dodge Dakota 408 All Motor 11.27 @ 117.83 mph 2017 NM Mopar Challenge Series Champion.
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Re: I'm a Thumpercarb fan
[Re: Monte_Smith]
#2079117
05/23/16 11:53 PM
05/23/16 11:53 PM
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Joined: May 2006
Posts: 1,260 New Mexico
Adobedude
OP
pro stock
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OP
pro stock
Joined: May 2006
Posts: 1,260
New Mexico
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The truck is nearly a tenth off..........where is the tenth? Obviously it is not in 60ft if you nearly equaled your best. So is it slow from 60-330, 330-660, or out the back door. Look at the incrementals and figure out WHERE it is slow. If it is slow in the back half, is the mph down? Determine WHERE it is slow and your area to tune on will come from that My best run Saturday was a 11.33, my best run ever was a 11.27 on a day when the track was prepped for the 8.5 and 10.5 crowd, track prep Saturday was for the street racing T&T crowd (as in none). I was launching at a lower RPM to keep from spinning, but, that 11.33 pass bugs me, I usually dial that in October, 11.38 is what I dial this time of year.
2001 Dodge Dakota 408 All Motor 11.27 @ 117.83 mph 2017 NM Mopar Challenge Series Champion.
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Re: I'm a Thumpercarb fan
[Re: Adobedude]
#2079122
05/23/16 11:56 PM
05/23/16 11:56 PM
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Joined: Jun 2014
Posts: 3,208 Md.
carnut68
master
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master
Joined: Jun 2014
Posts: 3,208
Md.
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What was your mph? Did it pick up?
America First!
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Re: I'm a Thumpercarb fan
[Re: Adobedude]
#2079127
05/24/16 12:08 AM
05/24/16 12:08 AM
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Joined: Jan 2005
Posts: 4,243 Charlotte, North Carolina
sgcuda
master
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master
Joined: Jan 2005
Posts: 4,243
Charlotte, North Carolina
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I was launching at a lower RPM to keep from spinning, but, that 11.33 pass bugs me, I usually dial that in October, 11.38 is what I dial this time of year. Never heard of anyone complaining because they went faster than expected. I blame that T humper guy for all of this.
[image][/image]
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Re: I'm a Thumpercarb fan
[Re: Adobedude]
#2079261
05/24/16 11:19 AM
05/24/16 11:19 AM
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Joined: Dec 2014
Posts: 304 Florida
Mark Whitener
enthusiast
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enthusiast
Joined: Dec 2014
Posts: 304
Florida
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Darn 2 circuit conversions, they just keep coming... ;-)
Mark Whitener [url=www.racingfuelsystems.com[/url]
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Re: I'm a Thumpercarb fan
[Re: Mark Whitener]
#2079334
05/24/16 01:35 PM
05/24/16 01:35 PM
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Joined: Jul 2004
Posts: 19,318 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,318
State of confusion
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Darn 2 circuit conversions, they just keep coming... ;-) Crazy huh Mark.............Damn Tuner, Shrinker, yourself and the rest screwin w/nature.............
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: I'm a Thumpercarb fan
[Re: carnut68]
#2079360
05/24/16 02:40 PM
05/24/16 02:40 PM
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Joined: May 2006
Posts: 1,260 New Mexico
Adobedude
OP
pro stock
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OP
pro stock
Joined: May 2006
Posts: 1,260
New Mexico
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What was your mph? Did it pick up? I just looked, it did. I'm running the same mph a tenth off my best ET of 11.27. ?
2001 Dodge Dakota 408 All Motor 11.27 @ 117.83 mph 2017 NM Mopar Challenge Series Champion.
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Re: I'm a Thumpercarb fan
[Re: tsanchez]
#2079361
05/24/16 02:45 PM
05/24/16 02:45 PM
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Joined: May 2006
Posts: 1,260 New Mexico
Adobedude
OP
pro stock
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OP
pro stock
Joined: May 2006
Posts: 1,260
New Mexico
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Albuquerque, my old home track, raced there from early 80s to 1994 when I moved to Phoenix. They keep improving it, my first pass was in 2007, but Saturday night was cluster with all the oil downs, one right after another until all the junk broke and we could finally make some laps.
2001 Dodge Dakota 408 All Motor 11.27 @ 117.83 mph 2017 NM Mopar Challenge Series Champion.
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