[DeTomaso] Tires for track days

[John Taphorn]

Steve

I am running the same size wheel in front.  Do you have a pic of the 
interference?

JT
----- Original Message ----- 
From: "STEVEN BLUM" <steveblum2 at msn.com>
To: <jderyke at aol.com>; <ehpantera at yahoo.com>
Cc: <detomaso at realbig.com>
Sent: Tuesday, May 18, 2010 1:52 PM
Subject: Re: [DeTomaso] Tires for track days


>
> I have a related question. On my 74 L I am running 245/40 17 on the 10 
> spoke aluminum wheel. On a full lock left turn I get rubbing on the front 
> right side wheel well but not on a full right turn. I measured and it 
> appears the right wheel is about 1/2 inch closer to the front fendr than 
> the left side. I have the Pat Michals suspension modification and the 
> alignment was done and is good.  Any suggestions on how to stop the 
> rubbing or should I just put in a stop on the turning radius?
>
> Steven Blum
> P.O. Box 81
> Shoreham, N.Y. 11786
> H (631) 744-6118
> C (631) 235-1905
>
>
>
>
>> From: JDeRyke at aol.com
>> Date: Tue, 18 May 2010 14:27:24 -0400
>> To: ehpantera at yahoo.com
>> CC: detomaso at realbig.com
>> Subject: Re: [DeTomaso] Tires for track days
>>
>> In a message dated 5/18/10 8:41:35 AM, ehpantera at yahoo.com writes:
>>
>> > I have the brake rotors mounted on outside hats, pushing the wheels out
>> > a bit. My 285's are pretty close to the fender. If I go to 18" wheels 
>> > can I
>> > get more backspace?
>> >
>> Yes- by choosing wheels that have compensating backspace for the extra
>> 1/4"-5/16" from those outside mounted brake discs. Of course, then the 
>> front
>> scrub radius can become significant and steering effort & tire wear goes 
>> up....
>> Be sure to carefully check both sides as many Panteras are asymmetric. 
>> What
>> is ideal on the left side might stick out 1/2" on the right side. Some
>> aftermarket aluminum wheels have thick enough mounting flanges that a bit 
>> can be
>> machined off the backsides of the flange without seriously weakening 
>> them,
>> but others do not. You may simply have manuvered into a corner where you
>> CANNOT maximize front tire widths beyond about 245-50 x any wheel 
>> diameter.
>> Good luck- J DeRyke
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