Please help me pick tires for my needs

[Mystikal]

Q, 245/35/17 on a 17x7.5 rim? diameter is = to 215/40/17, but recommended rim width is 8-9"...

Ryan Gangemi did that on his M3 (LM replicas)...said it was floppy. I might try it with Falken FK-452's (stiffer sidewall than the GS-D3), but the Goodyear is just too compliant to hold up to undersized rims.

[golde30]

Ryan Gangemi did that on his M3 (LM replicas)...said it was floppy. I might try it with Falken FK-452's (stiffer sidewall than the GS-D3), but the Goodyear is just too compliant to hold up to undersized rims.

Kumho MX's have a really stiff sidewall...i mite try those.

[Mystikal]

Kumho MX's have a really stiff sidewall...i mite try those.

AFAIK, the Toyo T1-R, Goodyear GS-D3, and Falken FK-452 are the only tires in 245/35/17.

And MX's aren't very great anymore. I'd bet 215/40/17 RT-615's would be faster and feel a lot better.