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2005 - 2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

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18" vs 20"

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Old 09-21-2013, 01:51 PM   #21
808muscle
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Dont let one night out think you purchased the wrong stuff. Give it some time and more miles before you decide how you feel about them. No need to rush to judgement here and be careful. Your car and life are too good to mess up.
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Old 09-21-2013, 03:07 PM   #22
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Your right 808, ill give them a week, i wouldnt try them on the 1/4 mile tho, im still trying to understand how my car react versus the 4 traction option, i tryed removing FULL advance traction off and the rear got realllly slippy, i tryed both advance sport traction and basic traction off which act pretty similar but i cant seem to do a full tire heat/burn(like before a pass at the drag, tire would stop spinning/power shut down, seems like i can only light them up the tire/burnout wih full traction off, but
Im not sure it is the safest option for driving around
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Old 09-21-2013, 04:19 PM   #23
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I drive with TC off everytime I get in the car. Raining or dry its always off. I just adjust my right foot. As you know with a blower you have major power right out of the gate. With 4.10 gears even more so. I have total respect for my cars ability and drive it so. My Viper truck has no traction whatsoever. Tons of torque and a light rear end. You gotta learn how to drive it. Treat your fiveOh the same. Its not a chrysler. LOL
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Old 09-21-2013, 05:23 PM   #24
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Quote:
Originally Posted by 808muscle View Post
Dont let one night out think you purchased the wrong stuff. Give it some time and more miles before you decide how you feel about them. No need to rush to judgement here and be careful. Your car and life are too good to mess up.
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I drive with TC off everytime I get in the car. Raining or dry its always off. I just adjust my right foot. As you know with a blower you have major power right out of the gate. With 4.10 gears even more so. I have total respect for my cars ability and drive it so. My Viper truck has no traction whatsoever. Tons of torque and a light rear end. You gotta learn how to drive it. Treat your fiveOh the same. Its not a chrysler. LOL
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Old 09-21-2013, 05:52 PM   #25
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well not to be a debbie downer but the reason you have so much wheel gap is because the tires are too small. you should have like a 255/40 up front and a 285/35 or so.

i'm running 255/35's and 295/30's and they are the bare minimum to match tire height with factory sizes. Mustangs of the S197 variety have 27-28" tall tires and yours are in the 26" range.
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Old 09-21-2013, 06:44 PM   #26
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Crap. Ill get some nitto with correct size, definitly
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Old 09-22-2013, 04:20 AM   #27
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In the 50's guys used to put little 550 bias ply tires on the front of cars to get them on the ground. Those that had half a brain called them "Chitty Wheels"! They make your car ride "Chitty", and they look "Chitty" too! I suppose if you are racing large, low profile tires are an advantage, but they sure ruin the ride of your car while emptying your pocket!! To me they make as much sense as building a "Street truck" so high off the ground it takes a ladder to get into it, and it would fall over off the road!

Many such modifications are like getting yourself a pink mohawk or pins and rings all over your face! It's more about being noticed than anything else! It's interesting how "people that want to be individuals" very often do it by copying someone else! It seems to miss the point of being an individual!

Be a wild individual that's completely different ..... and don't get tattoos like everyone else! Like buying a stock! When everyone is doing it.... you missed it! When most people you see have tattoos.... it's over, Dude! LOL!

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Old 09-22-2013, 07:12 AM   #28
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Just google it! There is plenty of dyno results comparing rim sizes. Figured at least a 20rwhp loss between 18 and 20 inch rims/tires.
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Old 09-22-2013, 07:39 AM   #29
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Quote:
Originally Posted by TheDivaDanielle View Post
i'm running 255/35's and 295/30's and they are the bare minimum to match tire height with factory sizes. Mustangs of the S197 variety have 27-28" tall tires and yours are in the 26" range.
Those are definitely better matches for the OE 27" diameter.

But 245/35-20 and 285/30-20 aren't quite as bad as 26" sounds (because you might think it means 26.0"). Actually, those two sizes are just over 26.7" tall, or about the same as 275/40-18 which is a fairly commonly used 18" tire size. A too-fussy judge at a car show would probably notice that quarter inch or so, but I doubt most other folks would without looking at the tire sidewall knowing what the numbers were telling them dimensionally.


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Old 09-22-2013, 09:20 AM   #30
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In the 50's guys used to put little 550 bias ply tires on the front of cars to get them on the ground. Those that had half a brain called them "Chitty Wheels"! They make your car ride "Chitty", and they look "Chitty" too! I suppose if you are racing large, low profile tires are an advantage, but they sure ruin the ride of your car while emptying your pocket!! To me they make as much sense as building a "Street truck" so high off the ground it takes a ladder to get into it, and it would fall over off the road!
I hear what you're saying - that when appearance takes absolute priority sacrifices are made with respect to all or most other aspects. Ever have to follow a Pro-Street wanna-be car (complete with front skinnies and 90/10 front shocks) on a road that's anything but straight and there's no place to pass?


Anyway, at least a few of us really are specifically looking for snappy steering response and better cornering behavior all of the time, at any speed. Appearance in and of itself is not a priority, nor is ride quality beyond not being slam-bang harsh. Those items end up being the consequences of choosing a tire with the right intent, in adequate size for the car's weight, and mounted on appropriately wide wheels - instead of having functional tire and car behavior end up being what you're left with after choosing the other aspects as the higher priorities.

It's too hard to put a price on enjoying the difference that the right tires can make. As an example, I'd once been riding around on a set of tires (on a different car that's still in my sig) that made up for being over-hyped by underperforming. That lasted for the last 2/3 of 30,000+ miles before I'd finally had enough. Around 6:00 PM I tossed them (with 1/3 useable tread left) into the used tire pile at the Chevy dealership I was then working at. By the middle of the next morning, somebody had trash-picked all four of them and nothing else. I silently wished whoever the best of luck.


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Old 09-22-2013, 12:30 PM   #31
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OP,

From what I gather you seem to rush on purchases.
I would advise taking more time in the future and doing more research before making purchases.

I also don't understand if you say you are all about performance, why even contemplate 20's?
You know you lose some performance over 18's...it's just a fact.
So given you are all about performance why switch to something that loses it?
Even if you had the best tires in the world and fastest Stang, you'd still lose performance if u went 20 from 18.

It just makes NO sence.
20's are for bling and nothing else, period.

And in my opinion they don't look near as good as 18's.
These cars are meant to have meat on the tire and 20's make it look like everything EXCePT the wheels/tires are about muscle.
Sorry to offend the 20" gang!
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Old 09-22-2013, 02:46 PM   #32
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Blacksmoke, i wasnt sure if i was all about performance, i love how they look but hate how the car feel slower, so i can say now that i want the car to be all performance, and your totally right i purchase stuff wayy too fast, that the story of my life, the setup is already back for sale and im getting the same rims in 18" with eibach pro spring, but now debating if i go 9" all around. Stagerred again 8.5/9.5 or 9.5 all around, also not sure what tire size i need to run on wider 18" vs 235-50-18 stock size.
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Old 09-22-2013, 06:40 PM   #33
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18 x 9.5 will fit on all four corners if the offset chosen is correct (+45 is about what Ford used on the GT500's that came with 255/45-18 front and 285/40-18 rear tires). 275/40 will also work on those wheels front and rear. My "3-season" setup is 255/45-18's on 18" FRPP/GT500 wheels.

If you're very careful about your choice of wheel offset as well as tire sizing, 18x10's will also work at both ends. Beyond that, you're on your own.


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Old 09-22-2013, 07:14 PM   #34
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Would 9.5 look good on four square? Should i still use stagered tire setup even on 9.5 all aroundl

I just sold the rims so before wednesday i should be ordering them by now.
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Old 09-22-2013, 07:27 PM   #35
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Better pictures than my avatar. My car is not lowered but is running about 1° more negative camber than factory preferred (this tips the tops of the front tires inward a little more than OE camber would). The tire sidewalls are about 3/4" inboard of the front fender flare, maybe 1/2" inboard at the rear. Ignore the wheel design for this purpose and look only at the wheel/tire to sheetmetal.

It's a slightly conservative setup that's a "no-brainer" in terms of whether it'll work. FWIW, 255/45 tires on 9.5" wide rims end up looking (and actually measuring) about 265-wide. I'm looking to go wider for track use, but something in the 255 or maybe 265 width will remain the street setup.

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Old 09-22-2013, 07:39 PM   #36
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Quote:
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Would 9.5 look good on four square? Should i still use stagered tire setup even on 9.5 all aroundl

I just sold the rims so before wednesday i should be ordering them by now.
I wouldn't run staggered set-up on the same wheels unless you're running drag radials on the back. You're just losing the ability to rotate them. I ran 285/40/18 (I believe 40 series) Nitto NT05's on all corners with stock 9.5" wheels with no issues. If you like to play around, which it sounds like you do, that would be a good option.
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Old 09-22-2013, 08:31 PM   #37
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I feel like 285/40 all around on 9.5 would give a heavy feeling similar to having 20"?

I just want to make sure to run something better looking then the stock 18" rims on small gaped 235-50-18. But to keep the smooth/fast feeling from the 18" vs 20"

I think 8.5 front and 9.5 back would be good, once again. 285 sound is a big number that
sound heavy
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Old 09-23-2013, 04:04 AM   #38
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So much of the choice is based on a person's taste. For my taste wheels can get too big with too low a profile and make a car look like it belongs on "Wagon Train" circling to fight off the Indians, although I get the use of low profile tires in racing.

I also think many of the newer chrome wheels look like plastic chrome on a kids toy. I much prefer a Mag wheel look.... but it is all personal taste. Buy what winds your clock!

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Old 09-23-2013, 04:04 AM
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