PICTURE! 225/50/15 on 240SX 6" wide alloy!

[grip_racer]

chet, smith, sky, is the contact patch distortion really going to be all that bad?

im not an expert. does this look okay to you? or should i really stick to the 205/55/15?

[crzycav86]

chet, smith, sky, is the contact patch distortion really going to be all that bad?

im not an expert. does this look okay to you? or should i really stick to the 205/55/15?

I can't say that that was a wise move, but since they're on, I guess you've gotta keep them... Yes, you should have kept the stock size.

[grip_racer]

no no, thats not on my car. haha i did google search

[Onizuka]

After experimenting with wide tires on some-what narrow rims, I can say its totally not worth it. All you add is extra latteral slop, not grip.

[Exar-Kun]

After experimenting with wide tires on some-what narrow rims, I can say its totally not worth it. All you add is extra latteral slop, not grip.

Your eyes cant see what's happening to the bead stabilizer and sidewall inserts of a tire thats pinched like that. and Yes, you should stick to a 205-55-15 or the stock 195/205-60-15

and that picture proves that somewhere, some guy read that "wider is better" (wait..a pontiac commercial...too bad their 'wide track' GP was 10mm shorter in track than the rpevios gen, and handled like crap) and thusly decided he MUST fit something where it should not go...

Morons abound, sometimes they're hard to point out and ignore.

-Chet

[skydragoness]

What everybody else said ^^

[SmithSR]

[SmithSR]

^^On the ground lie a 205/55-15 on 7"225/50-15 on 7"

This picture isn't as detailed, but in the hi res version one can easily see the difference in sidewall angles.

Both sit well. the 205 looks like it has the most minute stretch. The 225 looks like it has a bit of hot rod style squish. The book recommends 7" as optimal for the 225/50-15.

[sil80drifter]

If you had a 17" x 7" rim, 225 would sit pretty good on it, right? Since the sidewall would be even smaller, and would not flex as much on a decent radial tire.

sil80

[Jookmasta]

i run 215/45/17 for my 17 x 7 rims. 225 made no real difference for contact patch.........

[sil80drifter]

10mm difference?

sil80

[turtl631]

I like the tire in the foreground smithSR

[Exar-Kun]

no, contact patch area remains the same, just because the section width gets wider does not necessarilly mean the tire contact patch gets the identical ammount wider, especially when put on a thinner-than-measured wheel...

-Chet

[nsrZ32]

Not smart or effective to run a 225 on a 6" rim, simple as that.

[sil80drifter]

I was referring to my 17x7 setup above. The sidewall would be smaller than on a 15" rim, and flex les, added to the fact that a good Z rate radial tire sidewall will probably be very close to making that contact patch what it should be on a 225, on a 7" wide rim.

sil80

[Exar-Kun]

actually, the lower the aspect ratio, the more the squeazing of the bead on a smaller-than-ideal rim.

THink about it, the point of a lower aspect ratio sidewall tires is to keep contact aptch distortion down by lower sidewall flex, and increaseing the effective tread width (crown)....by squeazing it, you'd actually be distorting it more than a higher sidewlal tire.

That's why a 225-60-16 works just fine on a 6" or 6.5" wheel (the sidewall has more play, and thusly bows out, then in, as intended )..but a 225-50-16 wouldn't work well at all...the beads are actually further apart; and thusly pinched too much on the narrow wheel.

Something to chew on.

-Chet

[sil80drifter]

I get it now.. so i'll stick with 215s on my 7" rim. 215/45-17 seems to be almost perfect.

sil80

[DrifterXRPS13]

not to thread hijack, but smithsr, what kind of wheels are those and what's the sizing on it...i'm looking into buying similar wheels, but the ones i'm looking at are 16x7, and the tires on their are 205/50/16, btw, urs look like 4 lug, the ones i'm getting are 4 lug universals...what size usually, comes in 4 lug universals?....again sorr for thread hijacking...good luck with those tires sil80drifter

[Exar-Kun]

Sil80- you'd be correct. TIre sizingon a accepted rim width depend on a desired result. I prefer to stick to the max grip with minimal distortion sizing reccomendations.

[SmithSR]

not to thread hijack, but smithsr, what kind of wheels are those and what's the sizing on it...i'm looking into buying similar wheels, but the ones i'm looking at are 16x7, and the tires on their are 205/50/16, btw, urs look like 4 lug, the ones i'm getting are 4 lug universals...what size usually, comes in 4 lug universals?....again sorr for thread hijacking...good luck with those tires sil80drifter

The ones on the ground?They are 15x7 +35 4lug!

When people say 4lug universal, they usually refer to a multifit 4lug which usually has the 4-100 and 4-4.5(114.3)