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YOUR RESEARCHHow do I tell if my turbo-twists are "hollow"?
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Replace rear pads today and got
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Suggestion · Original poster
So anyway I'm replacing the rear pads today and got to looking at the wheels from the back.
Leading evidence: 'Replace rear pads today and got' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace rear pads today and got' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
I have a set of both; the solids(for winter use) that came with the car and a set of hollows (for summer) bought off a 996 TT.
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OK, car is an '02 C4S with what I believe are stock turbo-twist wheels, but I'm not the orignal owner so can't be sure. So anyway I'm replacing the rear pads today and got to looking at the wheels from the back. The spokes have deep grooves in the back, presumably to reduce the wieght.
Does this mean they're the "hollow" spoke wheels?
Screw in valve stems, but the only holows on c4s cars were the sport technos, all the rest are solid. The grooves you describe are a trademark of solids I believe.
Two ways to tell, (1) Metal valve stem = hollow spoke, rubber = solid (2). Grab the spokes, if you feel ribs in the back of the spokes then it is solid, if feel smooth then it is hollow spoke.
...uh, I don't think so. I have a set of both; the solids(for winter use) that came with the car and a set of hollows (for summer) bought off a 996 TT. My rear solids have bent, but not the hollows.
996tt mostly use hollows... however the 996gt2 use solids.... they are stronger and heavier! In NY/NJ area winter is def harsher than driving in the summer.
The 2001 996 TT came with solids.
Factory 996 Turbo Hollows
8x18" at 22 lbs 2oz
11x18" at 26 lbs 5 oz
Factory 996 Turbo Solids
8x18" at 26 lbs 2 oz
11x18" at 31 lbs 6 oz
Factory 996 GT2 wheels (earlier years, Turbo Solids):
8.5x18" at 28lbs 11 oz
12x18" at 33 lbs 0 oz
Factory 996 GT2 wheels (later years, GT3 style)
8.5x18" 25 lbs 2 oz
12x18" 29 lbs 0 oz
and for some comparison
Factory 996 GT3 wheels
8x18" 22 lbs 10 oz
11x18" 27 lbs 11 oz
Factory Carrera S 997
8.0 x 19 - 22 lbs. 4 oz.
11.0 x 19 - 27 lbs. 12 oz.
