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Re: [Tigers] Tiger Handling

To: tigers-bounces@autox.team.net, "Tom Parker"
Subject: Re: [Tigers] Tiger Handling
From: "jliny5" <jliny5@cox.net>
Date: Tue, 31 Aug 2010 22:55:54 +0000
Good Evening (at least on the east coast)

Thought I would make another call regarding my post from yesterday regarding 
the affect a change in tire size might have on alignment. My new tires 
(205/60x13) get mounted Thursday.  Wear looks pretty even on the old tires 
(175/70x13). For the time being I guess I will stick with the existing 
alignment specs.

Thx, Jim
Sent from my Verizon Wireless BlackBerry

-----Original Message-----
From: "James Lindner" <jliny5@cox.net>
Sender: tigers-bounces@autox.team.net
Date: Mon, 30 Aug 2010 18:17:09 
To: Tom Parker<tkparker1941@gmail.com>; <CoolVT@aol.com>; 
<tigers@autox.team.net>
Subject: Re: [Tigers] Tiger Handling

Hi all,

While on the subject of handling, I am getting ready to put new tires on my 
Mk1. I was seeking any advice on specs for the front end alignment.

Currently, I have 175/70x13 tires on Cosmic 5.5 wheels and the I am told by 
the previous owner the aligment is set as follows: Castor +3 - +4, 
Camber -0.75-1.0, Toe 1/16th in.

I am considering 205/60x13 tires on the same wheels. The front suspension is 
stock. Do I need to change my alignment specs and if so what should they be?

I saw Tom's reference to the CAT shop notes and the entry on alignment specs 
for different tires. I looked but could not find it in the edition I have.

Thanks,

Jim Lindner
----- Original Message ----- 
From: "Tom Parker" <tkparker1941@gmail.com>
To: <CoolVT@aol.com>
Cc: <tigers@autox.team.net>
Sent: Saturday, August 28, 2010 11:55 AM
Subject: Re: [Tigers] Tiger Handling


> Mark,
>
> I'm assuming the car handled acceptably before the steering rack and tires
> were changed. True?
>
> The steering rack change is to help correct the legendary Ackerman angle
> problem Shelby's dyslectic engineers built into the Tiger. I don't think 
> it
> should adversely affect steering, but I'll defer to the guys who have done
> it and know. Same for the sway bars.
>
> My guess is the alignment isn't appropriate for the tires you have
> installed. C.A.T. Shop Notes has (I think, I'm not near the book...) front
> end alignment settings for radial tires. Add to that Camber shoud be -
> according to a recent posr here - closer to vertical than the stock
> settings. I think I'd start there.
>
> Tom
> ' 67 Mark 2
>
> On Sat, Aug 28, 2010 at 9:57 AM, <CoolVT@aol.com> wrote:
>
>> I've made some changes over the past few years and  haven't been 
>> satisfied
>> with the handling.  The 2 things that seem different  are:
>> Pretty bad understeer on curves at 40  mph+
>> Car's tendency to want to follow ruts in the road.
>> It seems that the 2 problems are  contradictory.
>>
>> The things that I've changed from stock  are:
>> MG Midget steering rack
>> Wheels that were high profile 185 x 13 are now 195 x  50 x16 (front) and
>> 205 x 50 x16 (rear).
>> Thicker sway bar on front (I think it's  7/8's")
>> 1/2" thick shims above the front springs (to raise the  front a  little
>> Softened the front shock adjustment because I thought  it would be too 
>> hard
>> with low profile tires.
>> Done an allignment and that seems  good.
>>
>> Any suggestions?
>> Mark L
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