Joseph
Aug 13th, 99, 02:19 PM
I am gathering info. on changing the location of the upper A-arm for better camber gain and elimination of bump steer. I know of two people who have modified the A-arm locations in different ways.
First is Mark Stielow who is a Camaro builder and has had a few cars grace the covers of some magazines. His method lowers only the forward bolt of the upper A-arm 5/8". So, its actually lowered on an arc defined by the rear bolt. He claims that negative camber is increased and bump steer is virtually eliminated.
The second method comes from Dick Guldstrand. He got started with Camaros when they first came out and became the first private owner to win a Trans-Am race in 1969. Now he specializes in Corvette suspensions and is located in Culver city, CA. Anyway, his method requires lowering both upper A-arm bolts 3/4" and moving them forward 3/16". He also states that negative camber is increased but made no mention of bump steer improvement.
Can anyone help me sort out the effects of both changes (positive and negative) and if one modifications is better than the other and why? Are there any other possible A-arm location possibilities to consider before I start to drill. I was going to purchase Global West's new front end kit ($4,000 with brakes) but decided to build a motor instead.
Thanks
Joseph
First is Mark Stielow who is a Camaro builder and has had a few cars grace the covers of some magazines. His method lowers only the forward bolt of the upper A-arm 5/8". So, its actually lowered on an arc defined by the rear bolt. He claims that negative camber is increased and bump steer is virtually eliminated.
The second method comes from Dick Guldstrand. He got started with Camaros when they first came out and became the first private owner to win a Trans-Am race in 1969. Now he specializes in Corvette suspensions and is located in Culver city, CA. Anyway, his method requires lowering both upper A-arm bolts 3/4" and moving them forward 3/16". He also states that negative camber is increased but made no mention of bump steer improvement.
Can anyone help me sort out the effects of both changes (positive and negative) and if one modifications is better than the other and why? Are there any other possible A-arm location possibilities to consider before I start to drill. I was going to purchase Global West's new front end kit ($4,000 with brakes) but decided to build a motor instead.
Thanks
Joseph