Suspension program or app
#3065045
08/03/22 11:16 PM
08/03/22 11:16 PM
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Joined: Jan 2003
Posts: 4,243 Canada
Kam*Kuda
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,243
Canada
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I am setting up my ladder bars I was looking for a program or app that shows the Instant Center and other variables when you input data and the shows the difference when change things up.
Anyone have any suggestions?
1970 Barracuda Convertible 1968 Satellite Street Strip car 1654.5 Mustang 1955 Land Rover
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Re: Suspension program or app
[Re: Kam*Kuda]
#3065047
08/03/22 11:50 PM
08/03/22 11:50 PM
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Joined: Aug 2003
Posts: 4,687 On the parachute mount
n20mstr
master
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master
Joined: Aug 2003
Posts: 4,687
On the parachute mount
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I think it’s baseline suspension, you might not find a ladder bar application because the instant center is fixed . You can plug your measurements into a 4 link app , just put both front upper and lower as the same , it will give you your anti squat %
....BAD A$$ STREET CAR.....
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Re: Suspension program or app
[Re: Kam*Kuda]
#3065069
08/04/22 07:46 AM
08/04/22 07:46 AM
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Joined: Aug 2003
Posts: 4,687 On the parachute mount
n20mstr
master
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master
Joined: Aug 2003
Posts: 4,687
On the parachute mount
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I am setting up my ladder bars I was looking for a program or app that shows the Instant Center and other variables when you input data and the shows the difference when change things up.
Anyone have any suggestions? instant Center on a ladder bar is fixed, you can raise or lower it , but thats it Raising or lower the front mount will change the height of the IC and the antisquat (Amount of Rise) Kevin Wilson has some good youtube video of this, search it on YouTube
....BAD A$$ STREET CAR.....
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Re: Suspension program or app
[Re: jwb123]
#3065134
08/04/22 11:35 AM
08/04/22 11:35 AM
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Joined: Mar 2006
Posts: 9,852 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,852
MI, usa
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You can't pin point I/C unless you know the exact C.G point . Otherwise it's only a guess. You can get a pretty good idea if you video the car. If if separates you are above the C.G.. If it squats (very unlikely with ladder bars) it's below the C.G. The more power you run. The lower you mount the front of the bar. Weight distribution, ride height, wheelbase, power level, SLR, tire type, track prep style all play into it. Need more info. Doug
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Re: Suspension program or app
[Re: dvw]
#3065154
08/04/22 12:32 PM
08/04/22 12:32 PM
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Joined: Dec 2005
Posts: 11,611 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,611
Fulton County, PA
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I don't much care about IC. I pay attention to angles, heights, spreads, I will plot IC just as a piece of information that I can use. It is a result, not a setting for me.
That said, it can give you an idea of where you are going if you want to compare different geometries and settings. But it's the geometry that determines what happens.
As far as something or someone telling you where to put the bars, all anyone can do is give you a general starting point. 48" out - 7" up with the bottom bar level to 1* down. There you go.
Where to go from there depends on your video and what you want the car to do differently. Don't forget to use the shocks while sorting it all out.
Ladder bars are easier. Lower is less violent, higher is more violent. Use a good shock to control the separation.
If the results don't match the theory, change the theory.
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