Post by
hXc_240 »
https://forums.nicoclub.com/hxc-240-u12651.html
Mon Jun 26, 2006 10:57 am
as far as choosing between the 40 and 45 series aspect ratio, theyre both within acceptable limits, the 40 has about the same sidewall as a 215/45, the 45 has about the same as a 255/40, its really the middle ground tire width, you could go either way on this car
235/40 will clear better if you want to go lower, 235/45 will have a tad higher peak grip
the other thing to consider is which tire youd like to run, pretty much every tire comes in one of the two, but not many come in both
for example, i would probably prefer a 235/45, but because the tires i want, falken rt615s, come only in 235/40, ill be going with those...these tires are better than kuhmo MX and hankook rs2, theyre the same price as the MX and only slightly more than the rs2, so its worth it, because you have to raise your budget another $200 until you get to tires that are as good as or better than the 615s
in other words, although kuhmo come in 235/45, the advantages of running 615s over MX outweigh the advantage of the larger sidewall
sorry if that was a little long-winded, lmk if i need to clear anything up