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Author Topic:   Front roll center
Batsonbruce2
Dirt Roller

Total posts: 6
posted October 25, 2004 10:15 AM  
I run an 81 camaro stock suspinsion mounts can use racing springs and shocks can get in the turns and through the middle but am getting beat coming out of the corners.My question is on the front roll center of the car, on the upper control arms on this car and every camaro I have ever built , the angle on the upper control arms is higher at the inner pivot point than it is where the upper ball joint and spindle connect, I understand how to calculate front roll center but have never tried to see what this kind of angle on the top a-frames does to the location of the front roll center, I have a feeling it is making the point where top and bottom a frame angles intersect end up at some point that is so far off that there is no telling where my front roll center is really ending up, the car also rolls over on the right side tires much too far compared to a lot of the other camares that are running well in my class. Do any of you guys that run cameros lower the inner pivot point brackets to get a downhill angle from the outer pivot to the inner pivot point and how much do I lower it, Im thinking about 1/2 inch.

marshalr
Dirt Maniac

Total posts: 148
posted October 25, 2004 03:12 PM  
What are your front ride heights?
Sounds like you are running the car very high.
I have an 81 Camaro, front U/C/A are pretty much flat with the car sitting race ready.
How much shock travel on the RF ? LF?
I like 3 - 4 " travel on the RF and at least 2" on the LF
I drill a new front hole for the U/C/A inner mount, i try to get the shaft just about level to get the anti dive out of it.
Almost everybody will disagree with me, but i like to hook up the front sway bay when the track gets shiny slick. The sway bar and the leaf springs are an advantage I try to exploit under slick conditions.

340duster
Dirt Maniac

Total posts: 195
posted October 27, 2004 09:24 AM  
When you say you are getting beat coming out of the corner, Are you on the throttle at that time? or feathering the throttle cause the car is to loose. Or feathering it cause the car is too tight?

    

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