F-type specific 20" tire size opinions/insights request
#21
#23
@powerhouse Thanks for the write-up. What brand spacers did you go with?
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ViperX100 (05-03-2022)
#24
Are spacers to make the OEM tires appear wider even on the radar for you? I’ve seen at least one owner who installed them and liked the outcome.
https://youtu.be/qwIWhD7lPkE
https://youtu.be/qwIWhD7lPkE
#25
Another dirty secret about the tire industry is that tire measurements are not standardized across the industry!
For example:
Michelin PS 4S 295/30/20 has an actual measured width of 11.1" or 281mm
Michelin PS 4S 305/30/20 has an actual measured width of 11.2" or 284mm
Pirelli PZero 295/30/20 has an actual measured width of 10.1" or 256mm
Pirelli PZero 305/30/20 has an actual measured width of 10.8" or 274mm
Another consideration is that even though a specific tire size can be mounted on an approved rim, that does not mean better handling:
Using a Pirelli 305 (274MM) tire as a an example, it is rated to be mounted on a rim from 10.5-11.5 inches
- If mounted on a narrower rim (10.5" or 266mm), you'll have 8mm of shoulder roll when you corner (274mm-266mm)
- If mounted on a wider rim (11" or 280mm) you'll have 6 mm of shoulder roll when you corner (280mm-274mm)
I'd watch the video below:
https://www.tirerack.com/videos/inde...=946&tab=Tires
For example:
Michelin PS 4S 295/30/20 has an actual measured width of 11.1" or 281mm
Michelin PS 4S 305/30/20 has an actual measured width of 11.2" or 284mm
Pirelli PZero 295/30/20 has an actual measured width of 10.1" or 256mm
Pirelli PZero 305/30/20 has an actual measured width of 10.8" or 274mm
Another consideration is that even though a specific tire size can be mounted on an approved rim, that does not mean better handling:
Using a Pirelli 305 (274MM) tire as a an example, it is rated to be mounted on a rim from 10.5-11.5 inches
- If mounted on a narrower rim (10.5" or 266mm), you'll have 8mm of shoulder roll when you corner (274mm-266mm)
- If mounted on a wider rim (11" or 280mm) you'll have 6 mm of shoulder roll when you corner (280mm-274mm)
I'd watch the video below:
https://www.tirerack.com/videos/inde...=946&tab=Tires
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DJS (03-05-2024)
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