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Consistentcy #2729293
01/02/20 10:58 AM
01/02/20 10:58 AM
Joined: Jul 2007
Posts: 69
W.Va
F
fowl play Offline OP
member
fowl play  Offline OP
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W.Va
What is the most important thing to make my bracket car more consistent? Mid ten second a body.

Re: Consistentcy [Re: fowl play] #2729300
01/02/20 11:19 AM
01/02/20 11:19 AM
Joined: Nov 2015
Posts: 879
Missouri
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jwb123 Offline
super stock
jwb123  Offline
super stock
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Joined: Nov 2015
Posts: 879
Missouri
been racing since 1974, my advice is just to make sure everything is right. Fuel system properly sized, keeping track of tire pressure, leaving starting line with the same engine temp, staging the same every time. I have a brake pressure gauge and I leave with the same brake pressure with a foot brake car. A torque converter has a lot to do with leaving the same every time, I had a converter once that you could not leave consistent. I just about wore out the 4-link and shock adjustments, changed the converter and all was well.

Re: Consistentcy [Re: jwb123] #2729302
01/02/20 11:36 AM
01/02/20 11:36 AM
Joined: Sep 2007
Posts: 1,893
Spahn Ranch
RMCHRGR Offline
top fuel
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Spahn Ranch
Originally Posted by jwb123
I have a brake pressure gauge and I leave with the same brake pressure with a foot brake car.


Would have never thought about that, thanks for the tip!


'71 Duster
'72 Challenger
'17 Ram 1500
Re: Consistentcy [Re: RMCHRGR] #2729304
01/02/20 11:45 AM
01/02/20 11:45 AM
Joined: Jan 2003
Posts: 8,028
Tulsa OK
Bad340fish Offline
master
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Tulsa OK
Best thing I can offer is to be consistent with engine temps. I drive my mid ten second car to the track so everything is good and warm when I start the day and I think that helps the rear axle and trans temp to stay consistent. I run electric fans and water pump and I try to hit the burnout box at 140 degrees every pass. My car usually doesn't lose the race, its always the guy hitting the gas on the starting line!


68 Barracuda Formula S 340
Re: Consistentcy [Re: RMCHRGR] #2729305
01/02/20 11:46 AM
01/02/20 11:46 AM
Joined: Feb 2005
Posts: 20,185
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
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PA.
It all starts with consistent 60 foot times.


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: Consistentcy [Re: pittsburghracer] #2729319
01/02/20 12:36 PM
01/02/20 12:36 PM
Joined: May 2005
Posts: 1,030
ohio
6
67mprfan Offline
super stock
67mprfan  Offline
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Posts: 1,030
ohio
All replies above-mentioned are correct so I will say seat time also being comfortable and ready for when the lights start dropping


71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's
Re: Consistentcy [Re: 67mprfan] #2729325
01/02/20 01:12 PM
01/02/20 01:12 PM
Joined: Aug 2016
Posts: 61
The Great State of PA
tabletop390 Offline
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The Great State of PA
Test, test, and test. Keep a log book and record everything that you can. Figure out what you want to do in the off-season and do it then. Come out and test the first few test and tunes and get everything right, tire pressures, shift points, starting line procedures, and once your comfortable with your car, don't mess with it other than maintenance stuff . Breakages aside, changing something big halfway through the season and losing the handle on your car sucks and is frustrating as hell. Also watch the weather. Know what your car is going to do with the weather changes.

Re: Consistentcy [Re: tabletop390] #2729331
01/02/20 01:29 PM
01/02/20 01:29 PM
Joined: Mar 2006
Posts: 9,852
MI, usa
dvw Offline
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MI, usa
Repeatable 60ft is #1. Good weather station to predict#2 Engine oil/water, trans temps #3 All 3 of these items take various sub sections to achieve. I jet slightly fat to follow the weather. Tire pressure (checkall 4). Same temps, same leave rpm, same shift rpm, top off fuel every run. If we are off more than .01x I've made a mistake.
Doug

Re: Consistentcy [Re: fowl play] #2729401
01/02/20 05:06 PM
01/02/20 05:06 PM
Joined: Dec 2016
Posts: 1,113
Usa
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A39Coronet Offline
super stock
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Usa
Staging the same way every time, and in the beams the same depth every time.


Follow my G3 Hemi Barracuda build on Youtube
https://www.youtube.com/watch?v=XSDAWczXoZw&list=PLTus_wQu8POADHEeJNJp2nr4NMHEyB9EK

2015 Tri-State Stock Super Stock Champion
2017 Monster Mopar Pro Winner
2018 Monster Mopar No Box Winner
Re: Consistentcy [Re: dvw] #2729403
01/02/20 05:07 PM
01/02/20 05:07 PM
Joined: Dec 2005
Posts: 11,611
Fulton County, PA
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CMcAllister Offline
Mr. Helpful
CMcAllister  Offline
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Fulton County, PA
Stuff wears out. Don't expect it to last forever. Shocks, tires, ignition parts. fuel system, valve springs. I'd like to have a dollar for every guy who has said "I just put those shocks on 5 years ago." Yeah, and you beat them to death in the trailer dragging it up and down the road. Pay attention to that stuff.


If the results don't match the theory, change the theory.
Re: Consistentcy [Re: CMcAllister] #2729409
01/02/20 05:20 PM
01/02/20 05:20 PM
Joined: Nov 2007
Posts: 21,831
Kirkland, Washington
Pacnorthcuda Offline
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Kirkland, Washington
Slow the car down.

As much as no one wants to do that, it lends itself to consistency....big time! LOL

Re: Consistentcy [Re: Pacnorthcuda] #2729462
01/02/20 08:34 PM
01/02/20 08:34 PM
Joined: Jan 2003
Posts: 8,028
Tulsa OK
Bad340fish Offline
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Bad340fish  Offline
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Tulsa OK
Originally Posted by Pacnorthcuda
Slow the car down.

As much as no one wants to do that, it lends itself to consistency....big time! LOL


To an extent, I tried to race my Jeep awhile back. It ran from 17.82 to 17.09 lol. I figured it was intake temp related, if I were to race it again I would probably hang a tube out the bottom of the compartment to let it get fresh air. Coolant temp was the same each pass.

Last edited by Bad340fish; 01/02/20 08:37 PM.

68 Barracuda Formula S 340
Re: Consistentcy [Re: fowl play] #2729488
01/02/20 09:45 PM
01/02/20 09:45 PM
Joined: Aug 2003
Posts: 43,228
Bend,OR USA
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Cab_Burge Offline
I Win
Cab_Burge  Offline
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Joined: Aug 2003
Posts: 43,228
Bend,OR USA
Originally Posted by fowl play
What is the most important thing to make my bracket car more consistent? Mid ten second a body.

You working on the car to make it as consistent as you can get it, once that is done work on your driving also up work


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Consistentcy [Re: Cab_Burge] #2729524
01/02/20 11:51 PM
01/02/20 11:51 PM
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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StealthWedge67 Offline
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Puyallup, WA
Just keep chipping away at the car over time. Most of the cars that I know print tickets like copy machines are cars that have been sorted out over time. My car is starting to get to the point where I feel like I have an equipment advantage most times I stage it. As you race, you need to pay close attention to what went wrong and why. Then work on those things. The exact same goes for your own performance behind the wheel. The ability to focus in on a singular thing when you need to is a skill. If you come away from a round where you missed you’re number, you need to know why. Can you be sure you hit your shift points? What was your exact thought just after the staged light came on? If you’re like me, it took a while to even recognize that I wasn’t cued into those things as keenly as I thought I was.

Bottom line: it is hard! Really hard... to be consistently good as a bracket or index racer.

Last edited by StealthWedge67; 01/03/20 12:03 AM.

LemonWedge - Street heavy / Strip ready - 11.07 @ 120
Re: Consistentcy [Re: StealthWedge67] #2729565
01/03/20 08:50 AM
01/03/20 08:50 AM
Joined: Jan 2003
Posts: 10,038
MN
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JERICOGTX Offline
I Live Here
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MN
Hold a 10th, and drive the stripe accordingly. LOL.


69 GTX 68 Road Runner
Re: Consistentcy [Re: jwb123] #2729571
01/03/20 09:10 AM
01/03/20 09:10 AM
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Posts: 13,200
aZLiViN
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J_BODY Offline
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aZLiViN
I agree with the converter being an important key. I have one for my 727 that produced a stack of 1.34 60ft times at 5 different tracks. It got so good we had a right and left lane dial at one. Helped us go a ton of rounds. My other converter will result in faster ETs, and would dip into the high 1.2/low 1.3 60, but not consistent. Of course doing this on a 10” tire mid 9sec ride leaves something to be desired.

.....of course I changed intakes, went to a dominator AND set the 727 aside for a 904 so basically ruined a perfectly good bracket car laugh2

Re: Consistentcy [Re: J_BODY] #2729577
01/03/20 09:35 AM
01/03/20 09:35 AM
Joined: Jan 2003
Posts: 10,038
MN
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JERICOGTX Offline
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MN
Originally Posted by J_BODY
I agree with the converter being an important key. I have one for my 727 that produced a stack of 1.34 60ft times at 5 different tracks. It got so good we had a right and left lane dial at one. Helped us go a ton of rounds. My other converter will result in faster ETs, and would dip into the high 1.2/low 1.3 60, but not consistent. Of course doing this on a 10” tire mid 9sec ride leaves something to be desired.

.....of course I changed intakes, went to a dominator AND set the 727 aside for a 904 so basically ruined a perfectly good bracket car laugh2


4 link, and 14x32's..


69 GTX 68 Road Runner
Re: Consistentcy [Re: JERICOGTX] #2729605
01/03/20 10:38 AM
01/03/20 10:38 AM
Joined: Jan 2003
Posts: 25,955
United Socialist States of Ame...
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tboomer Offline
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United Socialist States of Ame...
A good practice tree also can be helpful... up


Need your rear end checked out? Contact Grizzly!!
Re: Consistentcy [Re: tboomer] #2729619
01/03/20 11:43 AM
01/03/20 11:43 AM
Joined: Dec 2013
Posts: 4,687
Wichita
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GY3 Offline
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Wichita
They have online practice trees. up


'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.

Re: Consistentcy [Re: GY3] #2729629
01/03/20 12:09 PM
01/03/20 12:09 PM
Joined: Jan 2003
Posts: 25,955
United Socialist States of Ame...
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tboomer Offline
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United Socialist States of Ame...
Mine is a Biondo Final Round III Probably don't make em anymore!


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