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Slow motion launch video of my Dart #1468638
07/16/13 12:10 AM
07/16/13 12:10 AM
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Renton Washington
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Triple Threat Offline OP
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Triple Threat  Offline OP
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Renton Washington
http://youtu.be/hi-of3wkwQE

Sorry about the quality, but it's better than nothing.

Cal tracs
Split monos
leaf spring sliders
Calvert 90/10 shocks up front
Rancho shocks out rear on 5 of 9
Bars just touching, no preload
M/T 3062W 29.5x10.5W, Stiff sidewall, 12.5# of pressure
3400 RPM off the 2 step, converter flashes to 5300
1.46 60 foot
.013 R/T

Tires look like they wad up pretty good, I've tried more pressure and 60 foots aren't as consistent so I brought it back down. Any helpful ideas are welcome.


-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA
Re: Slow motion launch video of my Dart [Re: Triple Threat] #1468639
07/16/13 12:24 AM
07/16/13 12:24 AM
Joined: Mar 2003
Posts: 2,524
PA
moparacer Offline
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Have you tried full stiff on the rear extension yet?

I just put cal tracks on my Barracuda this past week to try them out. Tested it yesterday and first pass I could tell it was too loose on the extension. Went full tight on the extension and it picked up .03 on the 60 ft the next pass.Just have junker comp 3 ways on the rear. I am footbraking it also and you are trans braking it looks like so the hit will be even harder.

Mine is going to like full loose up front with the extension from what I can tell with the few passes I made on a hot slippery track with junk slicks.

60 fts. only varied .004 so they are going to work pretty good I think.


67 Barracuda street/bracket car 11.27-119
68 Dart 502 BB 8.70s-152
414 cid SB Dragster 7.65-174
Re: Slow motion launch video of my Dart [Re: Triple Threat] #1468640
07/16/13 12:26 AM
07/16/13 12:26 AM
Joined: May 2006
Posts: 740
WA
JD Dart Offline
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What is the setting on the front shocks or is there any? Looks like it tries to lift the front right away but is being resisted by the shocks then over comes them and lifts off.

Re: Slow motion launch video of my Dart [Re: JD Dart] #1468641
07/16/13 12:38 AM
07/16/13 12:38 AM
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Renton Washington
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Triple Threat Offline OP
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Front shocks are not adjustable, 90/10 only. Stock front suspension.

I haven't had played with Rear shock adjustment, but I was going to stiffen them up next time I'm testing. As it sits I made 5 runs with 100-130 track temp and it was 1.460-1.468

Last edited by Triple Threat; 07/16/13 12:39 AM.
Re: Slow motion launch video of my Dart [Re: Triple Threat] #1468642
07/16/13 01:35 AM
07/16/13 01:35 AM
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moparacer Offline
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You could also try putting some preload in it to take some of the initial hit out of it. Its hitting the tire pretty hard but since thats a stiff sidewall it might not mind it.


67 Barracuda street/bracket car 11.27-119
68 Dart 502 BB 8.70s-152
414 cid SB Dragster 7.65-174
Re: Slow motion launch video of my Dart [Re: Triple Threat] #1468643
07/16/13 01:48 AM
07/16/13 01:48 AM
Joined: Mar 2013
Posts: 197
Nor-Cal
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loaderpro Offline
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Nice leave! It looks like your right there, you might try slowing down the extension just a couple clicks and see what happens.

7778271-pomona.jpg (68 downloads)
Re: Slow motion launch video of my Dart [Re: loaderpro] #1468644
07/16/13 12:44 PM
07/16/13 12:44 PM
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Renton Washington
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Triple Threat Offline OP
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Thanks for the ideas guys, I like both of them! I'd like the sidewalls to last awhile, so taking some of that hit out of it would probably help tire life and consistency.

I'll give it a try and report back


-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA
Re: Slow motion launch video of my Dart [Re: Triple Threat] #1468645
07/16/13 02:12 PM
07/16/13 02:12 PM
Joined: Jan 2003
Posts: 19,382
Las Vegas
Al_Alguire Offline
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Al_Alguire  Offline
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Las Vegas
Get some front shocks!!!

Cool video. Love seeing the car move with the last amber lit.


"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"
Re: Slow motion launch video of my Dart [Re: Al_Alguire] #1468646
07/16/13 04:24 PM
07/16/13 04:24 PM
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Posts: 12,271
Overpriced Housing Central
RobX4406 Offline
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Looks good to me!

I got told caltacs and transbrakes don't work on short front segment mopars.

Re: Slow motion launch video of my Dart [Re: Triple Threat] #1468647
07/16/13 07:18 PM
07/16/13 07:18 PM
Joined: Oct 2011
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bean town ....Ca
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WHITEDART Offline
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leave it alone and keep winning those races


In the 8s N/A.with Brett miller W8's
5.07 at 133 at 2700lb
Re: Slow motion launch video of my Dart [Re: RobX4406] #1468648
07/16/13 07:36 PM
07/16/13 07:36 PM
Joined: Jan 2003
Posts: 9,826
las vegas
70AARcuda Offline
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Quote:

Looks good to me!

I got told caltacs and transbrakes don't work on short front segment mopars.




You going to post a link to your buddy?


Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)
Re: Slow motion launch video of my Dart [Re: 70AARcuda] #1468649
07/16/13 07:43 PM
07/16/13 07:43 PM
Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
VernMotor Offline
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Looks great to me.. I want 1/2 psi more in the tires..How much more air have you try ? I run 30x10 with tubes at 15psi

Re: Slow motion launch video of my Dart [Re: loaderpro] #1468650
07/16/13 07:46 PM
07/16/13 07:46 PM
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Arizona
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Chris'sBarracuda Offline
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Quote:

Nice leave! It looks like your right there, you might try slowing down the extension just a couple clicks and see what happens.





Just a bit too much chassis separation.. Tighten the extension..



Chris..

Re: Slow motion launch video of my Dart [Re: VernMotor] #1468651
07/16/13 07:46 PM
07/16/13 07:46 PM
Joined: Jan 2003
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Renton Washington
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Triple Threat Offline OP
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I've never tried more than 13#. No tubes for me at the moment. No rim screws either, and yes the tires move.


-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA
Re: Slow motion launch video of my Dart [Re: Triple Threat] #1468652
07/16/13 08:44 PM
07/16/13 08:44 PM
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pacific northwest
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Stroker Scamp Offline
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nice vid, upper or lower hole?


footbrake N/A SB 408 Scamp 10.10 @ 132 street/strip
73 Duster 340 street strip 12.79 @ 105
Re: Slow motion launch video of my Dart [Re: Stroker Scamp] #1468653
07/16/13 11:55 PM
07/16/13 11:55 PM
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Renton Washington
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Triple Threat Offline OP
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Lower hole.

Re: Slow motion launch video of my Dart [Re: Triple Threat] #1468654
07/17/13 12:57 AM
07/17/13 12:57 AM
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aZLiViN
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J_BODY Offline
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I think my dad had five hits on these before I raped the Duster of its "factory" suspension..... If you're interested



Re: Slow motion launch video of my Dart [Re: J_BODY] #1468655
07/17/13 01:42 AM
07/17/13 01:42 AM
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WA
JD Dart Offline
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WA
Get them Dustin Be way better setup for you!!!!!

Re: Slow motion launch video of my Dart [Re: JD Dart] #1468656
07/17/13 01:55 AM
07/17/13 01:55 AM
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Posts: 1,532
off the grid
340B5 Offline
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Looks good to me. Gets right back up on the tire.


Yeah, it's got a smallblock.
Re: Slow motion launch video of my Dart [Re: Chris'sBarracuda] #1468657
07/17/13 02:31 AM
07/17/13 02:31 AM
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Romeo MI
MR_P_BODY Offline
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Quote:

Quote:

Nice leave! It looks like your right there, you might try slowing down the extension just a couple clicks and see what happens.





Just a bit too much chassis separation.. Tighten the extension..



Chris..




EXCEPT... you have too much pre load...
your car comes up and goes left but 4"-6" which will
make you correct and thats time lost... back down
your right bar a little... or ADD to the left

Last edited by MR_P_BODY; 07/17/13 02:33 AM.
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