Maximum TIRE(Rubber) fitment thread

[Broadfield]

Originally Posted by Wreckless35

unlike the rest of the peanut gallery who mostly post on here on 17's

What does tire width have to do with the diameter of the wheel?

But yes, according to the original post of this thread, I guess your fitment is within the guidelines of the thread. However, when I here "max" fitment, I assume it's max tire fitment for the vehicle... not for the wheel. Otherwise by that logic I would have to be impressed by a 225 on a 18x7

[jr_ss]

Originally Posted by Broadfield

What does tire width have to do with the diameter of the wheel?

But yes, according to the original post of this thread, I guess your fitment is within the guidelines of the thread. However, when I here "max" fitment, I assume it's max tire fitment for the vehicle... not for the wheel. Otherwise by that logic I would have to be impressed by a 225 on a 18x7

I completely agree... No one cares if you got a 255 on an 8.5" rim in the rear.

[Wreckless35]

Gentleman, I absolutely agree with you on all aspects, I personally would love to be rollin 295/305 no less but for 2 reasons I am not... 1) I got my tire sets for a total of $200; can't beat that regardless & 2) Trojan Magnum's go on when you have enough power to churn the butter. Simply put I'm too underpowered to run that much rubber (not ashamed to say it) but literally next month my engine bay gets a significant upgrade and from there I'll make all the necessary changes. Sound good?

[jr_ss]

Wreckless, you aren't the only one here... There were a few people above you. You're in the 275s out back which is still respectable, however 275's on a 10.5" rim is not max Trojan...

[Broadfield]

Originally Posted by Wreckless35

Gentleman, I absolutely agree with you on all aspects, I personally would love to be rollin 295/305 no less but for 2 reasons I am not... 1) I got my tire sets for a total of $200; can't beat that regardless & 2) Trojan Magnum's go on when you have enough power to churn the butter. Simply put I'm too underpowered to run that much rubber (not ashamed to say it) but literally next month my engine bay gets a significant upgrade and from there I'll make all the necessary changes. Sound good?

Sounds good to me! What do you happen to have in store for power?

[mikerbike]

Originally Posted by Fred Allen Burge

Life begins at 335/35/17, this is the size I really want for my coupe! I think I could run them on a 12" wheel (?). But at a 12" width what offset is the highest I could run before hitting the coilover? That would help determine how much of a flare would be needed.

Originally Posted by mikerbike

That depends on camber.

18x8.5 +32 0* camber. My fingers are up to the second knuckle (just shy of 3") and have room to spare from the coilover, which seems to be about 3/8" closer to the wheel than the body at this point.


Here's the clearance to the control arm. My fingers are up at the first knuckle and they are squished. I think 2 fingers at the second knuckle (just shy of 2") would be a more appropriate measurement.


And, with a 17" wheel both of these measurements will be a bit different, as the coilover and control arm are sloped away from the center of the wheel.

So now I'll add 3.5" width and less 1.5" backspace (I estimate a 17" wheel will have about ~0.5" less control arm clearance) and end up with a 17x12 ~+25.


OldNew Diameter637.2mm666.3mm Circumference2001.8mm2093.2mm Poke76mm127.4mm Inset140mm177.4mm Speedo error0%-4.37% Reading at 30mph30mph28.69mph Reading at 60mph60mph57.38mph Ride height gain0mm14.55mm Arch gap loss 0mm14.55mm
Backspacing- 140 vs. 177.4mm.

But I don't know how much more camber it takes to get closer to the coilover than the control arm.

[jr_ss]

Who cares about the control arm? It will be inside the wheel and even if it didn't, you'd be into the strut before that happened.

[Broadfield]

Originally Posted by jr_ss

Who cares about the control arm? It will be inside the wheel and even if it didn't, you'd be into the strut before that happened.

I had to notch the lower control arm on the setup I'm running.

[jr_ss]

Why did you have to notch it? Full lock clearance? I can't see why the bottom side would have to be notched...

[Broadfield]

Originally Posted by jr_ss

Why did you have to notch it? Full lock clearance? I can't see why the bottom side would have to be notched...

Sorry, I thought we were talking about the rears.

[jr_ss]

I just reread his post, looks like he is talking about the rears... I understand why on those. Not enough inboard clearance if you aren't running ridiculous camber.

[Wreckless35]

Originally Posted by Broadfield

Sounds good to me! What do you happen to have in store for power?

Oh you know... S14 notch top, BC stoker kit up'd it to 2.2L, Mazwork built head & Haltech tuned...

On & cracccin *check*
Excited *double check*
My GF & bank account hate me *ABSOLUTELY CHECK*

Hense why, rollin with what I got for now.

[bkg775]

Like a boss *check* haha

[Wreckless35]

^^^Exactly.

[KA240SX808]

IDK if this guy posted in here or not.
It's not mine but geez.
(Working on getting specs)

[hellion240sx]

I haven't gotten any bites on the other thread in a few days, so i'll post here...

back again... same question but with a different specs. looking at the 15x8 +20 or 16x8+20
now... looking to fit 225/50 on there. again when i lower it, it will only be an inch or so. don't want to molest the fenders. debating on this for a while now gotta bit the bullet soon :/ i will have all three rear arms, tension rods, aftrmrkt sways, stock brake setup specs just upgraded. c/o's, collars, etc

was set on going with the 225/50/15 but with stock height and 50 series tires the gap would be rather awkward, I would have to slam it to make it look right... or get 60 series tires. and going with 225s I think I would have more problems aka more trouble to make them fit.

also i go to different tire calculators and they give me different readings for the speedo. 1010 tires gives me @ 60mph for 225/50/16 = 58.4 mph discounttire = 61.6 rimsntires = 61.7

how do i determine which is right? i see that i look at the revs per mile but they all have diff numbers.

thanks again guys for the help. i believe that 225/60/15 would be too tall and wide to fit stock metal fenders. not only that but for aggressive/spirited driving, on off ramps etc/ not on on the track, it would actually hinder the handling vs a 50 series tire.. is that correct thinking? if it wouldn't hinder and fit without modding of the fenders i would do it. 225/50/16 fit with no problems from someone on here. i really would like to do the 15s as i have seen a few s14s pull it off quite nicely. a PM a few more ppl whos ride i found through LOTS of searching. so i am waiting on their responses as well.

[jaysgottaredtop]

Originally Posted by ka240sx808

idk if this guy posted in here or not.
It's not mine but geez.
(working on getting specs)

moar! naow!

[BTplaya]

^ Loving that!

[silviaks2nr]

Originally Posted by hellion240sx

I haven't gotten any bites on the other thread in a few days, so i'll post here...

back again... same question but with a different specs. looking at the 15x8 +20 or 16x8+20
now... looking to fit 225/50 on there. again when i lower it, it will only be an inch or so. don't want to molest the fenders. debating on this for a while now gotta bit the bullet soon :/ i will have all three rear arms, tension rods, aftrmrkt sways, stock brake setup specs just upgraded. c/o's, collars, etc

was set on going with the 225/50/15 but with stock height and 50 series tires the gap would be rather awkward, I would have to slam it to make it look right... or get 60 series tires. and going with 225s I think I would have more problems aka more trouble to make them fit.

also i go to different tire calculators and they give me different readings for the speedo. 1010 tires gives me @ 60mph for 225/50/16 = 58.4 mph discounttire = 61.6 rimsntires = 61.7

how do i determine which is right? i see that i look at the revs per mile but they all have diff numbers.

thanks again guys for the help. i believe that 225/60/15 would be too tall and wide to fit stock metal fenders. not only that but for aggressive/spirited driving, on off ramps etc/ not on on the track, it would actually hinder the handling vs a 50 series tire.. is that correct thinking? if it wouldn't hinder and fit without modding of the fenders i would do it. 225/50/16 fit with no problems from someone on here. i really would like to do the 15s as i have seen a few s14s pull it off quite nicely. a PM a few more ppl whos ride i found through LOTS of searching. so i am waiting on their responses as well.

You want the fitment questions thread not this one.

[silviaks2nr]

Not running a 300 series on stock metal yet but I guess it's somewhat respectable. The fronts still rub so I'm going to raise the whole car about 3/4"

18x9.5 +6 255/35 ~3*

18x11 +30 295/30 ~2*

[Broadfield]

^^^^^Damn near perfect max tire fitment!^^^^^ Although raising the car 3/4" is going to ruin that studly look.

I have always considered some CCW's for mine.

[Tommy]

agreed, raising it will throw it off

[KA240SX808]

Spencer that Kouki has been looking awesome since you got it long long ago.
I think the height is perfect. Maybe raise the front maybe 5mm or 1/8"? Not much but may be enough to stop the rubbing?

And since were on the topic of your Kouki, what rear lip is that? Looks like a Modded Honda lip lol.

[jr_ss]

Originally Posted by KA240SX808

And since were on the topic of your Kouki, what rear lip is that? Looks like a Modded Honda lip lol.

Because it is a Honda Accord lip...

[silviaks2nr]

I really don't want to raise it either. I'll start with small increments I suppose.

[Black R]

Originally Posted by hellion240sx

I haven't gotten any bites on the other thread in a few days, so i'll post here...

back again... same question but with a different specs. looking at the 15x8 +20 or 16x8+20
now... looking to fit 225/50 on there. again when i lower it, it will only be an inch or so. don't want to molest the fenders. debating on this for a while now gotta bit the bullet soon :/ i will have all three rear arms, tension rods, aftrmrkt sways, stock brake setup specs just upgraded. c/o's, collars, etc

was set on going with the 225/50/15 but with stock height and 50 series tires the gap would be rather awkward, I would have to slam it to make it look right... or get 60 series tires. and going with 225s I think I would have more problems aka more trouble to make them fit.

also i go to different tire calculators and they give me different readings for the speedo. 1010 tires gives me @ 60mph for 225/50/16 = 58.4 mph discounttire = 61.6 rimsntires = 61.7

how do i determine which is right? i see that i look at the revs per mile but they all have diff numbers.

thanks again guys for the help. i believe that 225/60/15 would be too tall and wide to fit stock metal fenders. not only that but for aggressive/spirited driving, on off ramps etc/ not on on the track, it would actually hinder the handling vs a 50 series tire.. is that correct thinking? if it wouldn't hinder and fit without modding of the fenders i would do it. 225/50/16 fit with no problems from someone on here. i really would like to do the 15s as i have seen a few s14s pull it off quite nicely. a PM a few more ppl whos ride i found through LOTS of searching. so i am waiting on their responses as well.

Just go with the 15x8 +20 on 225/50/15.

Lighter and smaller rolling diameter. R&p and you're good. You can slam it with that setup also. What wheels you getting? 5lug?

[hellion240sx]

Originally Posted by Black R

Just go with the 15x8 +20 on 225/50/15.

Lighter and smaller rolling diameter. R&p and you're good. You can slam it with that setup also. What wheels you getting? 5lug?

don't want to slam, only lower an inch or so. also i DO NOT want to roll or pull the fenders :/

[hellion240sx]

Originally Posted by silviaks2nr

You want the fitment questions thread not this one.

tried but it seems dead lately :/

[RAMM]

I ran 275 R888's on all four corners last year..and tire contact patch isn't everything.

Going down to a 255 front
and keeping the 275 rear

Its way to hard to keep a 275 up front without having to destroy/modify your front fenders and bumper. Not to mention I was on stock wheel wells.

[solo_ryder]

Guys some advice? Running a 17x9 +30 gtr wheel on my s14. Thinking of running 255 40 17 all round.. Am I gonna have rubbing issues? Rear arches are rolled and I am on RSR lowering springs. I dont think it will be an issue but I want to make sure before I buy the tires. Have been doing alot of researching, but dont wanna mess it up. This is for a DD/back road driving setup