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    Jul 9, 2004 4:01:59 AM

    Barrett
    Junior
    Barrett
    Loc: Houston, Texas
    Posts: 84, Gallery
    Registered on: Jul 14, 2003

    Changing out GT3 wheels for normal C4S wheels on a C4S?

    I'm about to take delivery on an '04 C4S, and one of the options on this car are the GT3 wheels. I have asked the dealer to replace the GT3 wheels with the normal C4S wheels (turbo look), and I have received a price credit for that. I just like the way the normal C4S wheels look more.

    Anyway, my question is this: is this a simple swap, or is there any thing tricky to changing out the GT3 wheels for the C4S wheels? I know both types of wheels are 18" (225 in the front, 295 in the back), but other than that, are there any differences between the wheels that make changing them more than just a straight-up swap job?

    I figure the dealer would know, but I'm a little paranoid about dealer screw ups.

    Jul 9, 2004 11:45:54 AM

    Crash
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    Crash
    Loc: Never been to , Antarctica
    Posts: 8287, Gallery
    Registered on: Oct 17, 2002
    Reply to: Barrett

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    Well, the GT3 wheels use spacers on a widebody I think, but no, once you take the wheels and the spacers off it's a pretty straightforward operation. I have a question though. Why swap out the lighter GT3 wheels for the heavy solid-spoke "Turbo" look wheels?

    Jul 9, 2004 3:11:31 PM

    Grant
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    Grant
    Loc: Denver, CO , United States
    Posts: 12586, Gallery
    Registered on: Aug 21, 2002
    Reply to: Crash

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    Quote:
    Crash said:
    Well, the GT3 wheels use spacers on a widebody I think, but no, once you take the wheels and the spacers off it's a pretty straightforward operation. I have a question though. Why swap out the lighter GT3 wheels for the heavy solid-spoke "Turbo" look wheels?



    I agree, may as well get actual Turbo hollow spokes if you like that look...

    Jul 9, 2004 7:20:50 PM

    fritz
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    fritz
    Loc: BaWü , Germany
    Posts: 10248, Gallery
    Registered on: Jul 23, 2003
    Reply to: Barrett

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    GT3-style wheels fitted to front of C4S are 8J x 18 ET50mm (as opposed to "real" GT3's 8.5J x 18 ET40mm) and are a straight swop for standard wheel.

    Actual GT3 wheel dimension is fitted to rear of C4S (11J x 18 ET63mm), but 17mm spacers are needed for this application. This may mean that different length wheel bolts are needed to compensate for spacer thickness when reinstalling standard wheel, unless spacer is bolted to hub flange with its own bolts. (I cannot recall offhand).

    This shouldn't leave too much scope for your dealer to screw up, so I'm afraid you'll have to find something else to get paranoid about.

    Jul 9, 2004 7:32:55 PM

    Barrett
    Junior
    Barrett
    Loc: Houston, Texas
    Posts: 84, Gallery
    Registered on: Jul 14, 2003
    Reply to: fritz

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    Thanks, Fritz! LOL!

    Jul 9, 2004 10:10:19 PM

    Radar
    Co-Pilot
    Radar
    Loc: The Frozen North
    Posts: 189, Gallery
    Registered on: Apr 6, 2002
    Reply to: Barrett

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    The GT3 wheel option M416) on the C4S and Turbo are as follows:

    8" x 18" - ET50 - 996.362.136.02
    11" x 18" - ET45 - 996.362.142.02

    Also, no spacers are required or used. In addition, the GT3 wheels are lighter than the solid spoke C4S wheels. I would definitely leave them on, if I were you.

    Jul 9, 2004 10:44:12 PM

    fritz
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    fritz
    Loc: BaWü , Germany
    Posts: 10248, Gallery
    Registered on: Jul 23, 2003
    Reply to: Radar

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    Quote:
    Radar said:
    The GT3 wheel option M416) on the C4S and Turbo are as follows:

    8" x 18" - ET50 - 996.362.136.02
    11" x 18" - ET45 - 996.362.142.02

    Also, no spacers are required or used. In addition, the GT3 wheels are lighter than the solid spoke C4S wheels. I would definitely leave them on, if I were you.



    My information as shown above is based on Tequipment wheels supplied by Porsche for after-market installation as complete wheel and summer tire sets on C4S and Turbo models. Rear wheels with
    a) ET45
    and
    b) ET63 + 17mm spacer
    would correspond to each other (2mm total difference in track).

    Looks like they've rationalised stocking for these wheel sets by doing things this way, because ET 63 wheel without spacer fits standard narrow body 996!

    Now I really understand Barrett's paranoia about potential for dealers screwing up!

    Jul 11, 2004 4:20:01 AM

    JP66 Offline
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    JP66
    Loc: Seattle , United States
    Posts: 2217, Gallery
    Registered on: Jul 10, 2003
    Reply to: Barrett

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    Why not keep your GT3 wheels upon delivery and sell them, rather than take a credit? The GT3 wheel option is $950, but you should be able to sell them for a couple thousand at least. One dealer told me they were over $1000 per wheel.

    This is what I plan to do once I take delivery of my 05' C4S. I am getting aftermarket wheels...only 19lbs each.

    Jul 11, 2004 6:35:31 PM

    Radar
    Co-Pilot
    Radar
    Loc: The Frozen North
    Posts: 189, Gallery
    Registered on: Apr 6, 2002
    Reply to: JP66

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    Quote:
    JP66 said:I am getting aftermarket wheels...only 19lbs each.



    Which ones?

    Jul 11, 2004 7:49:07 PM

    JP66 Offline
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    JP66
    Loc: Seattle , United States
    Posts: 2217, Gallery
    Registered on: Jul 10, 2003
    Reply to: Radar

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    Quote:
    Radar said:
    Quote:
    JP66 said:I am getting aftermarket wheels...only 19lbs each.



    Which ones?



    Volk Racing

    Jul 12, 2004 11:23:48 PM

    Radar
    Co-Pilot
    Radar
    Loc: The Frozen North
    Posts: 189, Gallery
    Registered on: Apr 6, 2002
    Reply to: JP66

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    Quote:
    JP66 said:
    Quote:
    Volk Racing



    Way cool. Show us some pics.

    Jul 13, 2004 1:02:19 AM

    JP66 Offline
    Rennteam Pro
    JP66
    Loc: Seattle , United States
    Posts: 2217, Gallery
    Registered on: Jul 10, 2003
    Reply to: Radar

    Re: Changing out GT3 wheels for normal C4S wheels on a C4S?

    I don't have the wheels, or the car yet

    If all goes well, my car should be delivered near mid Aug-early Sept. The completion date is scheduled for 7-18-04 I believe.

    The wheels I ordered about 6 weeks ago. They are a special order from Japan, so I should get them around the same time as I get the car...so pics will come then
     
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