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Old 05-20-2006, 08:08 AM
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taller spindles for older F-body car?

I have posted a thread about my 71 Camaro SS that I'm updating the suspension using some circle track and roadracing type of suspension.I was wondering about something I heard about at a race track here in arkansas.The subject of the conversation was using Impala spindles instead of F-car spindles to improve rollcenter and bumpsteer characteristics.Has anyone else got any info about this subject?I am going to be using tubular control arms top and bottom and a rack and pinion unit for steering and was wondering if there was a particular year model of Impala spindle that would be more suitable for my application.

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Old 05-20-2006, 04:01 PM
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I am not a Camaro expert but I have read recently that using the later generation "metric front clip" is a bolt on and it has much better geometry to begin with.

I have read of using the taller knuckles, but I think they require longer upper a-arms.

One thing to watch for is the camber gain on the street. You don't want your front end looking like a twin I-beam Ford truck.

Bump steer is a situation that must be custom tuned for each specific application.

Sorry I don't have specific info right now. When I find it, I will post it.
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Old 05-20-2006, 04:29 PM
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You must be talking about 4th generation (93 up) ,because third gen. camaros have a strut type suspension,if that is the case then I think you have to change the whole front subframe ,because the 4th gen. has a longer wheelbase than the 2nd if I'm not mistaken.In that case I'm not sure I could make it work without more modification to the front part of the chassis than I intend to do already.
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Old 05-24-2006, 12:21 PM
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I recently read about aftermarket spindles for 1st and 2nd generation camaro tubular A-arm kits that use 2" taller spindles to improve the camber/caster curves and roll center.By swapping to Impala spindles wouldn't that be almost the same difference?By using the Impala spindles I can use Coleman Racing Products Impala hubs with 2 piece rotor and hat assemblies and get larger rotors without costing a small fortune and still getting similar performance.I know that the parts I've mentioned are for circle track (asphalt)racing ,but there are lots of options within this group.
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Old 05-24-2006, 12:58 PM
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Check out this forum...
http://www.pro-touring.com/forum_main.htm
This is a much discussed topic. Do some searches before asking any questions. Your current question has been answered many times...
Mark
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Old 05-25-2006, 12:41 PM
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You should pick up the lastest issue of Popular Hotrodding. They have an article that's for you. They interviewed Dick Guldstrand and one of the ways to correct camber and roll center is by going to a taller spindle like you said, along with Guldsrtand. BUT what you can do for FREE is what the Mustangers are doing. According to Guldstrand, lower the UCA mounting holes down .75" and back .25" will do wonders. That's what he did in the late 60's when running Z28s. Great article!

I'm not a Chevy expert but a Ford guy. I'f I'm not mistaken, the 71 Camaro uses basically the same front clip as the 67-69's, so the mods should pertain to your car.

Last edited by Huskinhano; 05-26-2006 at 11:50 AM.
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Old 05-25-2006, 02:23 PM
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Impala spindles work well wiith that stub. Circle trackers do it all the time because they are limited to rules but need better handling. Speedway motors will have the ball joints and stuff you need.
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Old 05-26-2006, 01:03 PM
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Thanks for the info.I'll get in touch with them and get the whole thing ,spindles and all.You think that it is a viable option?I intend to use a lot of circle track technology as well as some IROC type of setups.On a different subject (Johnsongrass) have you ever seen a dual shock type of suspension for circle track cars(asphalt) or IROC cars either one?
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