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[trancehead]

Hi, i have fitted different size tyres than standard to my rota grids because they are 7.5j. If they tyres are now 215/40/17 should the tyre pressures be changed?

I had been running them at 32 front 30 back like the manual says to but unsure if this is correct because i'm guessing that is based on the tyres being 205/45/17?

[ABP MOTORSPORT]

Hi!

I would recommend to run the same pressures as you have before f:32psi R:30psi and monitor the tyre wear and how it feels on handling.

If you see more wear on the inner & outer edges on the tyre then go up 1psi.

Hope this helps?

Dave Roberts.