1971 alignment specs 1971 Coupe
Thread Starter
Burning Brakes
Joined: Jul 2013
Posts: 1,139
Likes: 82
1971 alignment specs 1971 Coupe
How does the stock wheel alignment specs seem to work for cruising and spirited driving? I don’t have the spare tire set yet, will this be ok or does it need the weight? I’m going to my Chevy dealer for alignment as there are no good local options. I’ve got the a arm and rear shims, anything I’m forgetting?
Race Director
Joined: Apr 2011
Posts: 11,183
Likes: 3,335
From: North of Toronto - Ontario
If you check, there are several other specs out there which are usually considered slightly better for the "spirited diving" option and yet not really radical or anything like that
https://www.corvetteforum.com/forums...nce-specs.html
Some more general info
https://tech.corvettecentral.com/201...t-information/
Stuff I've gathered
Stock Specs
Front Caster 2 1/4 +/- 1/2 deg
Front Camber 3/4 +/- 1/2 deg positive
Front Toe In 1/4" +/- 1/16" total
Rear Camber 7/8 deg +/- 1/4 deg
Rear Toe In 1/16" +/- 1/32" per side
VBP Specs
Front Caster 2.75 +/- .5 deg
Front Camber 0 - .25 neg negative
Front Toe In 0" - 1/32" 1/8 MAX
Rear Camber 0 - .5 deg neg
Rear Toe In 1/8" + 1/32 -0 total
Since we're not running stock bias ply tires and typically not the stock sizes, at the very least, the toe should be slightly less and usually you can't put too much caster into a c3
M
https://www.corvetteforum.com/forums...nce-specs.html
Some more general info
https://tech.corvettecentral.com/201...t-information/
Stuff I've gathered
Stock Specs
Front Caster 2 1/4 +/- 1/2 deg
Front Camber 3/4 +/- 1/2 deg positive
Front Toe In 1/4" +/- 1/16" total
Rear Camber 7/8 deg +/- 1/4 deg
Rear Toe In 1/16" +/- 1/32" per side
VBP Specs
Front Caster 2.75 +/- .5 deg
Front Camber 0 - .25 neg negative
Front Toe In 0" - 1/32" 1/8 MAX
Rear Camber 0 - .5 deg neg
Rear Toe In 1/8" + 1/32 -0 total
Since we're not running stock bias ply tires and typically not the stock sizes, at the very least, the toe should be slightly less and usually you can't put too much caster into a c3
M
Melting Slicks
Joined: Oct 2012
Posts: 2,156
Likes: 273
From: Dunedin NZ.
How does the stock wheel alignment specs seem to work for cruising and spirited driving? I don’t have the spare tire set yet, will this be ok or does it need the weight? I’m going to my Chevy dealer for alignment as there are no good local options. I’ve got the a arm and rear shims, anything I’m forgetting?
Melting Slicks
Joined: Oct 2012
Posts: 2,156
Likes: 273
From: Dunedin NZ.
How does the stock wheel alignment specs seem to work for cruising and spirited driving? I don’t have the spare tire set yet, will this be ok or does it need the weight? I’m going to my Chevy dealer for alignment as there are no good local options. I’ve got the a arm and rear shims, anything I’m forgetting?
Thread Starter
Burning Brakes
Joined: Jul 2013
Posts: 1,139
Likes: 82
I’ve had to re schedule my alignment so I’ve got another week to decide on the specs. I’ve looked at the GM specs and performance settings , can anyone give me some real world input on feel for different settings?
Dr. Detroit
Joined: Mar 2012
Posts: 10,097
Likes: 4,027
From: New Braunfels Texas
I use the Advance Street setting from Gulstrand but 0 degrees on the rear caster to keep the tire flat during hard launches.......
Jebby
Melting Slicks
Joined: Oct 2012
Posts: 2,156
Likes: 273
From: Dunedin NZ.
Definitely recommend the increased positive caster in front to reduce the darty feeling of the steering. You can get close to the offset A arm setting by slotting the mounting holes in the upper A arms. There is plenty of info available about how to do this.
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Melting Slicks
Joined: Jun 2011
Posts: 3,114
Likes: 598
How does the stock wheel alignment specs seem to work for cruising and spirited driving? I don’t have the spare tire set yet, will this be ok or does it need the weight? I’m going to my Chevy dealer for alignment as there are no good local options. I’ve got the a arm and rear shims, anything I’m forgetting?
My DIY Alignment method - CorvetteForum - Chevrolet Corvette Forum Discussion