[DeTomaso] Tire clearance Problem

Don Franck panteradon at gmail.com
Mon Nov 8 18:34:15 EST 2010 

I will have to measure the offset.  There is a spacer bolted onto the back.
the spacer is about 3/8 of an ich thick.  The rim will hit the brake caliper
if I remove the spacer.  I may be able to cut the spacer down a bit or buy
on that is slightly thinner, but I do not think it will be enough.  So, what
do you do when you hit the caliper????

Don

On Mon, Nov 8, 2010 at 5:28 PM, Julian Kift <julian_kift at hotmail.com> wrote:

> The 15" wheels are going to have the shortest tire in that width, e.g.
> a 335/35/17 is 26.2" dia compared to 24.9" for your current 345/35/15
> Pirelli.
>
> The way to correct this would be to use different offset/backspace on a new
> wheel. What is your current backspace?
>
> Julian
>
> ------------------------------
> Date: Mon, 8 Nov 2010 16:20:45 -0600
>
> Subject: Re: [DeTomaso] Tire clearance Problem
> From: panteradon at gmail.com
> To: red3644 at hotmail.com
> CC: julian_kift at hotmail.com; detomaso at realbig.com;
> detomasoregistry at gmail.com
>
>
> Thank you all for your comments.   I have to agree that it is the flares.
> There seems to be not real viable answer on tires without going to new rims.
>
> Can anyone suggest a new rim, tire size that would be available and
> slightly smaller?????
>
> Other than that, look like more body work to me.
>
> Don
>
> On Mon, Nov 8, 2010 at 2:32 PM, michael frazier <red3644 at hotmail.com>wrote:
>
> I'd suggest it's not the tires so much as the flares.  Get the ride heigth,
> toe and everything set right, then make the flares fit right.  I'd debond
> them and position them
> correctly.  You can move them around quite a bit.   It could be worse, i've
> seen cars that had the flares installed without the tires on the car and
> they
> looked great until the tires were mounted and were not in the center of the
> wheel opening.  FWIW
>
> Michael Frazier
> Gruppo Rompiculi Corsa
>
>
>
>
> > Date: Mon, 8 Nov 2010 12:17:08 -0600
> > From: panteradon at gmail.com
> > To: julian_kift at hotmail.com
> > CC: detomaso at realbig.com; detomasoregistry at gmail.com
>
> > Subject: Re: [DeTomaso] Tire clearance Problem
> >
> > The car has been aligned. The pictures are drivers side and passengers
> > side. Not before an after. If the car would stay where it is after being
> > jacked up, the issue would be solved (barring a MAJOR pothole). THe car
> > does not even look jacked up when it is lowered from the jack.
> >
> > However. It is obvious that the flares are different from side to side. I
> > have a damaged from spoiler so maybe while I get that fixed, I should
> look
> > at a little modificatino for clearance.
> >
> > ???
> > Don
> >
> > On Mon, Nov 8, 2010 at 12:05 PM, Julian Kift <julian_kift at hotmail.com
> >wrote:
> >
> > > Is the photo a 'before and after' or a 'drivers vs. passenger' with the
> new
> > > tires?
> > >
> > > unfortunately the shock adjustment is not going to solve your problem.
> Have
> > > you checked rear wheel alignment i.e. toe, just to be sure there is
> noting
> > > untoward happening at the chassis mountings?
> > >
> > > Julian
> > >
> > > > From: detomasoregistry at gmail.com
> > > > To: panteradon at gmail.com; detomaso at realbig.com
> > > > Date: Mon, 8 Nov 2010 09:06:09 -0800
> > > > Subject: Re: [DeTomaso] Tire clearance Problem
> > >
> > > >
> > > > Don,
> > > >
> > > > (I'll reiterate what you have said, then add my .02)
> > > >
> > > > I hate to say this but this is a perfect example of the fact that the
> > > stated tire size
> > > > is 'approximate'. Your 'before' photo (right side) shows you started
> with
> > > a close fit.
> > > >
> > > > You went from a Pirelli 345/35 (P7) to a Pirelli 345/35 (P-Zero).
> Same
> > > manufacturer, and
> > > > same size, yet the overall size is slightly larger now, and thus the
> > > clearance issue.
> > > >
> > > > >From what I can see, the new tire sticks out (further from the
> > > centerline of the car),
> > > > and its over-all height is slightly larger too.
> > > >
> > > > You have adjustable height shocks & springs, and you have already
> raised
> > > your ride height
> > > > in an attempt to make room to no avail.
> > > >
> > > > >From the photo, it would seem that where the fender is closest, is
> in
> > > line with the center
> > > > of the tire/wheel, meaning that you would have to really change right
> > > height to gain
> > > > clearance. I don't think this will be the best option.
> > > >
> > > > Do they (Pirelli) make a smaller tire? 315 perhaps? Would this size
> cause
> > > you any
> > > > 'aesthetic' problems?
> > > >
> > > > Note that the sidewall height is a % (or ratio) or the tread width.
> > > 345/35 means
> > > > (approximately) 345mm wide, and 35% of 345mm tall sidewall. Thus a
> 315mm
> > > wide tire would
> > > > be slightly smaller in over-all height. As your new tire sticks out
> past
> > > the fender flare
> > > > a slightly narrower tire would still fill the flare, but you would
> gain
> > > clearance.
> > > >
> > > > Many people believe that the Pantera will actually handle better with
> a
> > > 315, or a tire
> > > > slightly narrower than the max that we can get. I think people like
> to go
> > > with the widest
> > > > tire they can get, more for looks than maximum performance. If we are
> > > talking a "Bell"
> > > > curve, I suspect that the tires wider than 315 or so are on the right
> > > side of the peak of
> > > > the bell (and moving away from the optimal point,) in terms of
> traction
> > > and handling
> > > > optimization. I've driven 345s, 335s, and 315s on the same car, same
> > > suspension, and
> > > > (seat of the pants comparison - ONLY) I'd estimate that the 315's
> handled
> > > the best.
> > > >
> > > > Chuck Melton
> > > >
> > > >
> > > >
> > > >
> > > > I just put new tires on my GT5 Clone. They are 345/35 P Zeroes. They
> > > > replace 345/35 P7's. I hade no clearance issue with the older tires.
> The
> > > > new tires rub on the drivers side.
> > > >
> > > > I added adjustable shocks thinking I could lift the car up a bit and
> get
> > > the
> > > > clearance. I have the drivers side cranked almost all the way up and
> the
> > > > passengers side up about half way from the starting point.
> > > >
> > > > Here is a pick of the clearance issue:
> > > > http://www.expressionsfinechocolate.com/Don/Pantera%20Tires.jpg
> > > >
> > > > Suggestions?
> > > >
> > > > Adjust the passenger side shock all the way up?
> > > >
> > > > Are there any other tire choices?
> > > >
> > > > Get some body work done?
> > > > ??????
> > > >
> > > > --
> > > > Don
> > > > _______________________________________________
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> > Don
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>



-- 
Don

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