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Standard Size and Offset 993TT

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Old 06-19-2003, 08:05 PM
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Seth W
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Post Standard Size and Offset 993TT

Just curious, what is the standard size and offset of 993TT wheels?

What about 993 wheels?
Old 06-19-2003, 08:38 PM
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Peter S 993tt
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Size - 7.5X18 and 10X18. Offset - I don't know.
Old 06-19-2003, 08:50 PM
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ca993twin
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I think the size is 18x8 and 18x10, and the rear offset is 40mm. Not sure about the front offset, but its the same for all 993s, widebody and narrowbody.
Old 06-19-2003, 08:55 PM
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Ran
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Hollow spoke stock OEM 993TT wheels.
Front 18 by 8 - ET52
Rear 18 by 10 - ET40

Normally aspirated 993 cars came with 17 and 18 inch wheel choices. Offset varied depending on narrow or wide body.
Old 06-19-2003, 08:56 PM
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Viken
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993 Turbo standard factory wheels:

8" x 18" - ET52
10" x 18" - ET40 (does NOT fit narrow body)

As to other 993 wheels, there were various sizes and offsets. What are you looking for?
Old 06-19-2003, 08:59 PM
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Viken
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Originally Posted by Peter S 993tt
Size - 7.5X18 and 10X18. Offset - I don't know.
FWIW, 7.5" front wheels were only used on Boxster and 996 cars (through 2001).
Old 06-19-2003, 09:06 PM
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adsc4s
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Hey Viken,

I am running the 996TT wheels on my 993 C4S. Fronts are, I believe 18x8 and rears are 18x11. Can you tell me the offsets on these? Thanks.

Addison
Old 06-19-2003, 09:29 PM
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Ran
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996TT wheel sizes (hollow or solid spoke)
Front - 18 by 8 ET 50 (offset number corrected per Viken's post)
Rear - 18 by 11 ET 45

993C4S came with solid spoke
Front - 18 by 8 ET 52
Rear - 18 by 10 ET 40
Old 06-19-2003, 11:32 PM
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Viken
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Originally Posted by adsc4s
I am running the 996TT wheels on my 993 C4S. Fronts are, I believe 18x8 and rears are 18x11. Can you tell me the offsets on these? Thanks.
Sure:

8" x 18" - ET50
11" x 18" - ET45
Old 06-20-2003, 03:04 AM
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adsc4s
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Thanks Viken!
Old 11-30-2004, 12:40 PM
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FYI........hollows(painted) on a Strosek 993 with Sport Cups for autocrossing.........25mm spacer front.

Old 11-30-2004, 01:25 PM
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seege
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That looks very cool Greg.Who makes the headlight covers and where did you get them?
Old 11-30-2004, 01:38 PM
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GreggT
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Thank you........Where?
Sorry..............don't remember company, been so long.
They used to advertise in Pano, and sold a number of lucite products inc window replacements.
I believe I've seen them recently.......search for plastic or lucite race products.
They came clear.....I painted......4 or 5 patches of 2 sided tape for ea use.
Old 11-30-2004, 02:14 PM
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Woodster
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HEY, GREG T, WHY THE SPACERS ON FRONT, I THOUGHT THE 996 TURBO WHEELS WERE
A DIRECT BOLT ON TO 993TT ???
Old 11-30-2004, 02:34 PM
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GreggT
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Marty........they are.
But I'm **** about the way fitments sit in wheel arches for offset & ride height (and if I turn in poor course times, at least people will say....the car looked cool ).
Also I have garage full of spacers/wheels/bolts.......gotta pass the time somehow.

Seriously........this car rarely turns in poor times


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