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Re: ladder bar setup
[Re: birdtracker]
#3142395
05/03/23 10:06 PM
05/03/23 10:06 PM
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Joined: Jan 2003
Posts: 4,244 Canada
Kam*Kuda
master
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master
Joined: Jan 2003
Posts: 4,244
Canada
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I learned a lot from watching and rewatching SBCWilson https://www.youtube.com/watch?v=HF9cvi4I_OUI am a radial tire car and look for as much separation as I can get (aka AntiSquat)
1970 Barracuda Convertible 1968 Satellite Street Strip car 1654.5 Mustang 1955 Land Rover
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Re: ladder bar setup
[Re: birdtracker]
#3142435
05/04/23 08:13 AM
05/04/23 08:13 AM
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Joined: Mar 2006
Posts: 9,982 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,982
MI, usa
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Hit the little gear icon 5th from the right lower corner of the video screen. Then go to playback speed. Set it to .25 speed. Now you can watch it slow. For this video. If you click your mouse on the red line right above the sound icon you can watch the hit over and over everytime without watching the entire video. I see a few things. First the rear axle housing separates from the body and slams the tire violently. This is a result of the rear shock rebound (extension) setting being too loose. Then the tire bounces the housing back towards the body causing spin. The rear shock compresion is also to loose. With a 28" ladder bar the rear shock settings are going to have to be pretty tight to control the housing movement. Next is the front. The rebound is to loose there as well. The tire comes off the ground nearly immediately. then any help from the front suspension is lost. This makes the spin even worse. Ideally the front tire should stay on the ground 1/2- one full revolution of the rear tire. Your shocks are so out of whack I'd start there before changing anything else. Watch this video at the same .25 playback speed. It's already slow mtion but .25 makes it even slower. watch the rear housing to the body. And in reality the front shock rebound is too loose. https://youtu.be/D3G3mR1WxjIDoug
Last edited by dvw; 05/04/23 08:26 AM.
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Re: ladder bar setup
[Re: birdtracker]
#3143353
05/09/23 10:21 AM
05/09/23 10:21 AM
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Joined: Feb 2003
Posts: 4,953 Houston, Texas
TheOtherDodge
master
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master
Joined: Feb 2003
Posts: 4,953
Houston, Texas
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car only went 9.50 at 140 mph. It will go 8.90 or 8.80 when I get the rear sorted out. I actually have the rearend out of it right now. It was tearing the lower shock mount off the rearend.I am supposed to stop by my welder guy to see what he says. I bought a Fab rearend but there is a couple issues with width of the center section is wider than my old housing mounts by an inch. If he can fix it I will go that route. If not a road trip of 4 hours will be in my future. Birdtracker If you only went a 1.45 short time but a 9.50, then you are leaving a lot on the line, literally! You should be in the 1.2x. My truck will go 1.37-1.39 on a 9.7 and is 350 lbs heavier so you have some work to do on the short times!
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