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YOUR RESEARCHJust bought some 18in turbo twist rims
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Check spec sheet of the tires you're going
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However, I'd recommend checking the spec sheet of the tires you're going to buy as there is some variation amongst manufacurers.
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I've run 245/35's on the front and 295/30's on the rear with no fit issues.
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First time i hear someone outside de video industry use such term...
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ok so i had the rear turbo twist sitting in my garage for a while and was trying to sell them but couldn't... so i figured what the hell ill by the fronts and just put them on my car. so yeah im looking to put a 245 on the front and 295/30/18 on the back... my question is what is the correct aspect ratio for the front and wil the 295/30/18 fit a 10in rim... o and my car is a 2000 narrow body thanks in advance...
"Aspect ratio" ?
By any chance are you thinking of D1 video 720x486 at 0.9 ????
First time i hear someone outside de video industry use such term...
-Frank
With tires, the aspect ratio is the second set of digits in a tire size, e.g. 225 40 18. 40 describes the height of the sidewall as a percentage of its width. To maintain a constant rolling circumference, you should see that number drop as the tire gets wider.
Absolutely correct. However, one small note. It is RD (rolling diameter) that is measured, not circumference. Circumference would be referred to as Revs/Mile. Yes, that will be affected by aspect ratio, but the OEM specs will specify a RD. For example, 25".
I've run 245/35's on the front and 295/30's on the rear with no fit issues. (I don't know if the 245's would have been a problem if I didn't have -2.5 degrees of negative camber up front). If you check the allowable wheel widths found in the tire manufacturer's specs, you'll find that most 295's fit on 10" wheels. However, I'd recommend checking the spec sheet of the tires you're going to buy as there is some variation amongst manufacurers.
Although the 295's fit, they provide a longer final gear. I really didn't like the way it made the car feel more sluggish and went back to the 285's.
A lot of the the turbo twist front wheels are 7.5 inch wide. However, I think they did also make a 8 inch front wheel. I don't think that a 245 tire will fit the 7.5 inch wheel.
I have five (5) sets of 996 Turbo Twists I need to get rid of (won't fit the GT3). I think they are 8x18ET50 and 11x18ET45. I don't think they will fit narrow body cars at all. Two sets are hollow spoke and the other three are solids. One set of hollows is a pretty street set and the others are track wheels with a few scuffs. PM me if anybody's interested.
I have to disagree with both of you. I have 18" x 10" turbo twists and have 295/30/18 PS2's on them for the last 7 months. No problem with firment. Tire Rack states the 295 will fit on 10" - 11" wheel.
Oscypek - what width are your front wheels. If they are 8" wide you can go with 235, but I would not recommend going to 245 as they may give you rubbing issues in full turning lock.
550 for all 4 they brand new... without tires.... i was asking 300 for just the rears
also the fronts are 8in wide so yeah... i figured 245 would be to wide... only problem with going 285 in the rear is i want ps2 and they don't come in a 285 rear i don't think
That is correct, the PS2's are not available in 285.
I have 235/40/ZR18 N2 on the front and 295/30ZR18 N2 on the rears. I lam very satisfied with the PS2's.
Tim, it's not that you "can't" put a 295 on a 10", but rather it DOESN'T go on a 10" rim. You have essentially the same contact patch as the 285 goes on the 10" to begin with b/c of optimal fitment. Put too large a tire on a rim and you decrease the contact patch intended.
Remember, fitting and optimal are 2 different ballgames.
ps. what the heck is "firment"
No doubt true, and much more convenient than figuring out circumference. Radius is a logical proxy, since it's the only variable in calculating circumference. But I always think of it in the more fundamental terms, just because it reminds you that the risks of screwing with tire size aren't just to fit, but also to gearing, speedo error and, on a lot of our cars, the operation of PSM (where rolling circumferences must not vary front to rear by more than... I forget... 3%? 5%? Something like that). I'm pedantic that way.
yeah so i figured since winter is comeing im just going to keep the rims in my garage... and then in the spring ill put tires on them... untill spring they are still for sale if anyone wants them 550 or best offer and i can get you a good price on tires if you like. also i decided on just going 235 front and i think there is a 275 pilot sport 2 so yeah.
