ideal tire size for 18x9, 18x10 on FD3S??
What would the ideal tire size be for the following wheels on a '93 RX7, all stock suspension?
front 18x9, 44mm backspacing rear 18x10, 44mm backspacing Second question, what would the maximum width tire sizes be for the same wheels? . |
i run 285/30 out back with out any rubbing or any problems, i have wide front fenders so cant help you out on the front, this is on a +46 wheel as well.
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bump for more input please.
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Not sure if you can run them with +44 offset but ideal is 255/35 and 285/30 (closest to rolling diameter of the original 225/50/16).
Jack |
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Try 275/35/18 rear, and 255/35/18 front.
The only problem with the 285/30 rear is that's much shorter than a 255/35, and I wouldn't really want a taller front to rear tire. It looks funny, and is going the wrong way as far as the rake of the car... so you'd really want no more that a 245/35 up front. Here's an example of 275/255... same rim sizes, but +42 offset. |
So the maximum front tire would be 255/35 and maximum rear would be 285/35 (slightly taller then the front)?
I have two very nice BFG KDW2 265/35 tires, would it be possible to run them on the front with fender rolling? I believe they may be too narrow for the rear 18x10 wheels. Has anyone run a 295/35 in the rear on an 18x10 +44 offset? |
275 is the largest you should go with a 35 series. 285 and higher need to be 30 series (remember, the series is a percentage, not a fixed height). A 295/30 is around the same height as a 255/35, but is a little too wide for a 10" rim.
You can do the 285/30, 255/35 combo, just know that the rear tire will look lower profile than the front... which personall, I don't like.
Originally Posted by SportCoupe2
(Post 7177487)
So the maximum front tire would be 255/35 and maximum rear would be 285/35 (slightly taller then the front)?
I have two very nice BFG KDW2 265/35 tires, would it be possible to run them on the front with fender rolling? I believe they may be too narrow for the rear 18x10 wheels. Has anyone run a 295/35 in the rear on an 18x10 +44 offset? |
Originally Posted by SportCoupe2
(Post 7177487)
I have two very nice BFG KDW2 265/35 tires, would it be possible to run them on the front with fender rolling? I believe they may be too narrow for the rear 18x10 wheels. then just run like a 245 in front. |
Originally Posted by ptrhahn
(Post 7177536)
You can do the 285/30, 255/35 combo, just know that the rear tire will look lower profile than the front... which personall, I don't like.
http://cabaynes.com/files/CYM/800/CYM-041306-800-04.JPG |
^^^^
Looks better than I would've thought Charlie... maybe I'll do 285's next time :-) |
If my 265/35 will work up front that would be ideal for me, then I'd just have to buy a set of 285/something for the rear.
I can't test fit right now because my FD is on jackstands getting work done. |
For the street..... the 255/35/18 front and 275/35/18 rear is a great combo. They are also probably the cheapest cost for tires in that size. I ran them on my last FD.
Going to a 285/30/18 nearly doubles the price of the tire..... |
I'd like to use my two 265/35-18 tires if possible. Can I run them on the front or do I have to run them on the rear?
What other size tire should I get that would go with these two 265/35's? |
the 265 will be pushing it for the front wheels, especially if you don't have a roll/pull on your front fenders. You could get some 255/35 tires for the front wheels, and throw the 265's on the rear and then upgrade to 285's when the 265's wear out... You *should* wear them out much faster than the fronts, so the 255's you get now would probably still be in good shape when you replace the rears.
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Originally Posted by ptrhahn
(Post 7178384)
^^^^
Looks better than I would've thought Charlie... maybe I'll do 285's next time :-) |
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I know about the difference in height b/t the 255/35 and 285/30 on paper but it has never caught my eye on my own car.
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I was looking at some 285's vs 275's and saw this thread.
Size Diameter Sidewall 285/30/18 - 24.7in 3.4in 275/35/18- 25.6in 3.8in 255/35/18- 25.0in 3.5in 265/35/18- 25.3in 3.7in 255/30/18- 24.0in 3.0in |
there is plenty of room in the back for a 285-35 if you wanna run it(depending on your how low you are), but the overall diameter is about an 1 larger than stock. not a big deal in my opinion, but others will disagree. a larger tire actually helps put power to the ground from take off(both the larger diameter, and somewhat more forgiving sidewall), but "hurts" you one the top end. it'll also give you ever so slightly better gas mileage, the amount is negligible, for the most part.
the difference in overall diameter of the a 275 to a 285 both in 35series is gonna be 3/10" http://www.miata.net/garage/tirecalc.html |
OK, I ended up using the 265/35-18 in front. I had to cut the lip off, not just roll it. In the rear I am using the 295/35-18 tires that came with my slightly used WedsSports from a forum member. I'll say I might have got away with just a fender roll in the rrar as well I ended up cutting the rear lip off too just like the front. Here's a good pic.
http://www.blackgto.com/RX7/final/DSC01165.JPG |
^^^^what's the offset?
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Originally Posted by AntiVenom7
(Post 7196869)
^^^^what's the offset?
You must have skipped the very first post. Offsets all around are +44mm. |
holy crap those tires look HUGE... how much power are you running that you need those monsters?
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you bastard, i wanted to buy those wheels.
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and those 295's look wayyy too big. Switch to some 285/30's :)
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Originally Posted by SportCoupe2
(Post 7197130)
You must have skipped the very first post. Offsets all around are +44mm.
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