[DeTomaso] Alignment Specs.....revisited

Tomas Gunnarsson guson at home.se
Thu Aug 4 13:54:15 EDT 2011


Have them get rid of the positive camber too.

Tomas

-----Original Message-----
From: detomaso-bounces at realbig.com
[mailto:detomaso-bounces at realbig.com]On Behalf Of cengles at cox.net
Sent: den 4 augusti 2011 17:06
To: Rob Dumoulin
Cc: detomaso at realbig.com
Subject: Re: [DeTomaso] Alignment Specs.....revisited


Dear Rob,

Me thinks that you have some problems. The tendency to wander back and forth
at speed is disconcerting. Based on the specs that you say your alignment
shop used to set up the car, the aligment may be correct to their specs, but
I think that their reference is *way* off.
If I read it correctly, they say you should have a front caster from -0.1 to
+0.1. If so that itself could be the biggest part of your current problems.
Panteras need all the *positive* caster that they can get and what they have
set up is laughably puny. The stock front end can give at least a positive
full degree and maybe two. You should have as much as can be set. The other
specs, I can't speak for. I am away from my alignment specs.
If you're using the stock suspension with spacers plus stock bushings and
you're using stock wheels and appropriate tires, then a whole new wonderful
world of improved ride and handling await you when you upgrade to the modern
package of modified poly bushings for more caster; new shocks&springs and
modern wheels with modern high performance tires. Of course, it does have a
cost, but try not to think about it.
I can send you my alignment specs, but I don't think they would necessarily
translate correctly to your set up.

Warmest regards, Chuck Engles

---- Rob Dumoulin <rob at dumoulins.net> wrote:
> This topic seems to occur often, but looking through the archives I cannot
> find a clear winner for what specs should be. The consensus always seems
to
> be that it depends. I finally got #1488 back where it can legally drive on
> the street and am ready to remove my stock spring spacers. When I do, I'll
> get an alignment and roll the fenders if need be to fit the 335 35 17 rear
> tires and 225 45 17 fronts. I can't find my last alignment sheet but the
> car currently is very stiff to steer at slow speeds and likes to wander
> left/right at high speeds. Installing a tuneable suspension is in the
> cards, just not right now. What should I shoot for with my stock
suspension
> until the day of suspension upgrades arrives.
>
> My alignment shop has these setting in their machine, which he used last
> time he aligned the car
>
> Front Caster -0.1 to 0.1 Rear Caster
> Camber 2.3 to 3.3 Camber -0.6 to -0.4
> Toe 0.09 to 0.16 Toe 0.13 to 0.19
>
> On behalf of my car, thanks,
>
> Rob
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