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YOUR RESEARCHSpare tire replacement
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Replace rubber
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Suggestion
Then however you might have the problem of not being able to use the mounting/retaining rod.
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So I needed the spare yesterday, and turns out there was a good bit of dry rot. I am trying to replace the rubber on the rim. Looking at the continental CST replacements, the 105/95 r17 are not an option. does anyone know if these sizes will fit the rims. this is what is available from tire rack. I am thinking the 125/70 or 125/80 will be my best choice. Looks like the 125s are made for the 3.5 inch rims
I have a 99 c2 996
17
T115/95R1795M
T125/70R1798M
T125/80R1799M
T135/80R17102M
T135/90R17104M
T155/70R17110M
T165/80R17104M
T165/90R17105M
Here are the tire data specs Sorry about the formatting.
SizeDiameterWidthRim
RangeMeasured
RimTread
DepthLoad
RangeMax
LoadMax
psiWeightRevs/Mile
115/95R17
95M SL BSW25.6"4.8"3-4"4"3/32"SL1521 lbs60 psi11 lbs811
T125/70R17
98M SL BSW23.9"5"3-4"3.5"3/32"SL1653 lbs60 psi10 lbs869
T125/80R17
99M SL BSW24.9"5"3-4"3.5"3/32"SL1708 lbs60 psi10 lbs834
T135/80R17
102M SL BSW25.5"5.2"3.5-4.5"3.5"5/32"SL1874 lbs60 psi13 lbs815
T135/90R17
104M SL BSW26.6"5.2"3.5-4.5"3.5"3/32"SL1984 lbs60 psi15 lbs781
T155/70R17
110M SL BSW25.5"6.2"4-5"4.5"3/32"SL2337 lbs60 psi14 lbs811
T165/80R17
104M LL BSW27.4"6.5"4-5.5"4.5"5/32"LL1984 lbs60 psi17 lbs758
T165/90R17
105M LL BSW28.7"6.5"4-5.5"4.5"5/32"LL2039 lbs60 psi17 lbs724
I tried going down this path and found that good used was the only way to go. Don't forget there isn't much space in the frunk and the plastic trim basically fits around the existing size perfectly. You might be able to get some more width but not height. Then however you might have the problem of not being able to use the mounting/retaining rod.
