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Tyre size

gribley

New Member
I am looking towards putting 17" wheels on my Mk1 LS400
With the std well worn tyres my speedo is reading about 8% fast.
New tyres would be about 1.5% better ie 6.5% fast
If I fit 225/50/17 (+1.4%) speedo would be 5% fast
If I fit 225/55/17 (+5%) speedo would be 1.5% fast
If I fit 235/50/17 (+3%) speedo would be 3.5% fast
Would there be any problem using any of the above tyres My rims are GS300 10 spokes 7.5" x 17"
 
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