alignment specs - Team Camaro Tech
Brakes, Suspension & Steering Conversion questions, Steering & Handling

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post #1 of 7 (permalink) Old Mar 17th, 18, 02:50 PM Thread Starter
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alignment specs

So...what are the best recommended front aligment specs (that I can provide the shop) for a '67 Camaro with Cooper Cobra radial tires?

Power steering (IROC Box upgrade). Currently drum brakes, but likely to convert his summer to front disc.

Currently manual steering, changing this spring as oon as the weather breaks (hence the question)...

When converting to disc, I will also likely do a front suspension rebuild (stock rubber kit)...

small block 406...

Keith
1967 Camaro
406, 10:1, comp xr282HR, Dart Iron Eagle 200cc, Holley Contender dual plane, Holley 750 DP
Muncie M-20
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post #2 of 7 (permalink) Old Mar 17th, 18, 02:56 PM
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Simon
 
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Re: alignment specs

Info taken from Super Chevy article below.

Most Factory Settings
(bias ply tires)
0.5 Negative Camber
0.5 To 1.0 Positive Caster
0.24 Toe-In

Good Street Performance Settings
(radial tires)
0.5 Negative Camber
3.5 TO 4.5 Positive Caster
0.10 Toe-In

Good Autocross Settings
(will need aftermarket components to achieve these settings)
2.5 TO 3.0 Negative Camber
4.0 TO 6.0 Positive Caster
0.0 Toe-In (Big Course)
0.10 Toe-In (Short Course)

Muscle Car Front End Alignment Basics - Super Chevy Magazine
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post #3 of 7 (permalink) Old Mar 17th, 18, 03:30 PM Thread Starter
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Re: alignment specs

Thanks!

Keith
1967 Camaro
406, 10:1, comp xr282HR, Dart Iron Eagle 200cc, Holley Contender dual plane, Holley 750 DP
Muncie M-20
GM 8.5, 3.73 posi
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post #4 of 7 (permalink) Old Mar 19th, 18, 06:03 AM
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Re: alignment specs

Quote:
Originally Posted by slazisme View Post
Info taken from Super Chevy article below.

Most Factory Settings
(bias ply tires)
0.5 Negative Camber
0.5 To 1.0 Positive Caster
0.24 Toe-In

Good Street Performance Settings
(radial tires)
0.5 Negative Camber
3.5 TO 4.5 Positive Caster
0.10 Toe-In

Good Autocross Settings
(will need aftermarket components to achieve these settings)
2.5 TO 3.0 Negative Camber
4.0 TO 6.0 Positive Caster
0.0 Toe-In (Big Course)
0.10 Toe-In (Short Course)

Muscle Car Front End Alignment Basics - Super Chevy Magazine
I don't know where those specs came from. Yes I see it says Super Chevy magazine but where they got them is beyond me. I worked the alignment rack in 1980 and I never saw a factory setting with negative camber. My info says 1/4 positive +/- 1/2. A better source for performance settings is Dave Pozzi.s site He autocrosses a first gen.
FIRST GEN SUSPENSION

Jeff

Last edited by yellow69RS; Mar 19th, 18 at 10:44 PM.
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post #5 of 7 (permalink) Old Mar 19th, 18, 06:36 AM
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Don
 
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Re: alignment specs

Quote:
Originally Posted by yellow69RS View Post
I don't know where those specs came from. Yes I see it says Super Chevy magazine but where they got the is beyond me. I worked the alignment rack in 1980 and I never saw a factory setting with negative camber. My info says 1/4 positive +/- 1/2. A better source for performance settings is Dave Pozzi.s site He autocrosses a first gen.
http://www.pozziracing.com/first_gen...gnment%20specs

Jeff
They came from modern knowledge about radial tires and suspension/steering. Original specs are inferior, especially with radial tires. David Pozzi will recommend similar settings.

Don

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post #6 of 7 (permalink) Old Mar 19th, 18, 06:55 PM
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Re: alignment specs

Check out David Pozzi's specs and other suspension/steering info:

FIRST GEN SUSPENSION

'69 Z/28, Lemans Blue/White Stripes, DZ302, Tremec Magnum, 4.10, Procar Elite Seats,
Custom Upholstery, Dynatech headers, 17" VWW V45's, 235/45, 275/40, C5 Front Brakes
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post #7 of 7 (permalink) Old Mar 19th, 18, 11:11 PM
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Re: alignment specs

Quote:
Originally Posted by dhutton View Post
They came from modern knowledge about radial tires and suspension/steering. Original specs are inferior, especially with radial tires. David Pozzi will recommend similar settings.

Don
Factory specs should be what was published by the factory back in the day IMO and what Super Chevy Quoted came from a bad source (also IMO). I feel David recommends a little more caster in is street performance settings than Super Chevy has published and as noted you will never achieve the highest caster autocross setting on stock factory parts. It might read better in the context of the article they published but the snap shot given here is flawed IMO.

Jeff
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