Contributed by: Ray Calvo
If you intend to
fit the Porsche 18" hollow-spoke wheels on early 993s, Porsche has indicated
that they will not fit on the models before VIN 99SS323614. Generally,
these wheels require the wider bodywork of the Turbo and Turbo S.
Porsche does offer different 18" versions for wide-body (C4S) and narrow-body
cars, but they should not be used on cars vbefore the noted VIN.
Porsche revised the front and rear wheel carrier, front lower ball joint,
and front shock absorber, and reinforcced the rear anti-roll bar mounts
on the lter cars to accommodate the larger cornering loads of the 18" wheels.
This is an e-mail contributed by Tim Board regarding the fitment of 18" wheels on earlier model 993s.
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From: Tim Board To: <mrpcar2004@yahoo.com> Subject: 18" Wheel Upgrade on
early '95 993
Hello Robin, Thought this info might be interesting to you.... There's been a lot of talk these past few weeks Re: 18" Turbo Wheels on early "95 cars and the Steering Support Bracket.. I just installed (about an hour ago) the Steering Support Bracket on my early "95C2. My VIN # is before the XXX323614 number, but I like the 18" Turbo wheels and plan to fit them on the car. I have 17" Cup Wheels on the car at the moment. I purchased the kit from my local dealer
for approx. $40.00. It fit perfectly and was a very easy install...
took only about 30 min.
I though that if you wanted to use the
photo on your site that it may help answer some questions from the
readers....
I spoke to a SoCal Porsche field rep and he mentioned that there would be absolutely no problems fitting the wheels...just add the bracket.... He also said that it was a "warranty consideration" when Porsche released the TSB 4440-9604. Porsche didn't want to spend the money upgrading all the early cars and it was much easier to "not approve" the wheels for those cars. It would have cost them a small fortune. The reason the Targa is not approved at all is due the the fact that the larger wheels would add more stress the the car and cause more squeaks. The Targas squeak so much anyway and the Factory didn't want to repair all the additional squeaks while under warranty.... Again it would cost them too much money..... I checked out TSB # 4440-4 dated 8/21/98...."Summer
Tire/Wheel Summary..." and read that the factory has now approved (at that
time) the 18" wheels on all 95-98 993s (not Targa)...and by 8/21/98
all MY'95 cars were out of warranty...So it wouldn't cost Porsche
I enjoy your website and all the great
info that you post on the message boards...Keep up the good work....
Regards, Tim Board
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