man. strng. alignment specs ?
Thread Starter
Burning Brakes
Joined: Mar 2007
Posts: 1,181
Likes: 268
From: southern tip of lake michigan Indiana
Finalist 2022 C1 of the Year - Modified
man. strng. alignment specs ?
how about some alignment specs for my manual steering 69? i know there are other threads but the ones i read were a little too in depth for me. the car has the stock rally's and will have tires very close the the stock size, but radials. it's just a street driven car, no track time.
thanks
thanks
Team Owner
Joined: Apr 1999
Posts: 21,953
Likes: 1,444
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
Why would you want so little castor and worst of all positive camber? I recently setup a C-2 manual steering to my specs and it drives beautifully. Castor 3.2 both sides Camber negative .4 both sides, and 1/8th tow in
Last edited by gkull; Feb 6, 2016 at 10:08 AM.
Thread Starter
Burning Brakes
Joined: Mar 2007
Posts: 1,181
Likes: 268
From: southern tip of lake michigan Indiana
Finalist 2022 C1 of the Year - Modified
thanks guys. the steering feels "dead" right now, it's stable and tight but just has no feel to it.also it doesn't snap back to center like it should. i din't know if stock specs would suffice with radial tires.
Le Mans Master
Joined: Dec 2003
Posts: 5,727
Likes: 38
From: Fremont CA
Stock Specs are for Bias Ply tires from the 60's. If you want the steering to "snap back to center" add more caster....use Georges specs for your alignment if you have radial tires, its a good set up.
Team Owner
Joined: Apr 1999
Posts: 21,953
Likes: 1,444
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
I just told the Client that we will watch the ware in the fronts and maybe change the camber in the future. but it is just a simple nice setup for radial tires
Burning Brakes
Joined: Mar 2014
Posts: 904
Likes: 46
From: Crestline CA
Why would you want so little castor and worst of all positive camber? I recently setup a C-2 manual steering to my specs and it drives beautifully. Castor 3.2 both sides Camber negative .4 both sides, and 1/8th tow in
The reason GM speced positive camber has to do with the way the camber changes(goes negative) as the suspension compresses and the delivered ride height.
I used the stock specs on my stock ride height bias ply equipped 68 and they work well but if I lowered the car, added radials or significantly changed spring rate I'd change things accordingly.
Last edited by dugsgms74; Feb 7, 2016 at 12:33 AM.
Team Owner
Joined: Apr 1999
Posts: 21,953
Likes: 1,444
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
The reason for the reduction of caster on a non-p/s car in relation to a p/s car is that as caster is increased so is steering effort and turning raduis, GM wanted to make parking lot maneuvers as easy as possible in cars that had no power assist. On the opposite side of the coin, adding caster helps to make a p/s car a bit less "nervous" at speed.
The reason GM speced positive camber has to do with the way the camber changes(goes negative) as the suspension compresses and the delivered ride height.
I used the stock specs on my stock ride height bias ply equipped 68 and they work well but if I lowered the car, added radials or significantly changed spring rate I'd change things accordingly.
The reason GM speced positive camber has to do with the way the camber changes(goes negative) as the suspension compresses and the delivered ride height.
I used the stock specs on my stock ride height bias ply equipped 68 and they work well but if I lowered the car, added radials or significantly changed spring rate I'd change things accordingly.
Another question. Bump steer is the reason for camber gain on the front of a vette. How much time does your suspension spend compressed VS non compressed?
I'm not really sure how to even talk to people who have not improved their car from 1968
Thread Starter
Burning Brakes
Joined: Mar 2007
Posts: 1,181
Likes: 268
From: southern tip of lake michigan Indiana
Finalist 2022 C1 of the Year - Modified
parking is not much of a concern. i live closer to the "sticks" than i do the city. guess which way i head out for a cruise!
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