2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Wheel fitment

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Old May 26, 2022 | 07:25 PM
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Wheel fitment

88 rx7 convertible stock suspension

what offset for 18x8 wheels and a 225/40r18 tire. Stock suspension no spacers.

Thanks
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Old May 27, 2022 | 09:52 AM
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From: https://www2.mazda.com/en/100th/
with no spacers you're going to want to measure things carefully. i did a 17x8 with a 32 offset, and in the front it had plenty of room on the inside and it was close to the fender on the outside, so i would maybe get a 40 offset wheel, and be prepared to use a small spacer, like 5mm. in the rear you have a lot more space to play with, so anything that fits up front has no trouble
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Old May 27, 2022 | 04:06 PM
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I'm worried the taller 18 will be too close to the bottom of the coil spring seat on the stock suspension to clear a tire. The wheels in question are actually 18x7.5 with a plus 39 offset. Not 18x8. And the tires are competition tires 225/40r18. It's gonna be close. I'm just hoping I didn't make a mistake going with 18s on wheels I already had for a fifteenth car.
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Old May 28, 2022 | 09:46 AM
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From: https://www2.mazda.com/en/100th/
Originally Posted by cpkwannabe
I'm worried the taller 18 will be too close to the bottom of the coil spring seat on the stock suspension to clear a tire. The wheels in question are actually 18x7.5 with a plus 39 offset. Not 18x8. And the tires are competition tires 225/40r18. It's gonna be close. I'm just hoping I didn't make a mistake going with 18s on wheels I already had for a fifteenth car.
7.5 helps, i would think a small spacer would be needed, but i guess you'll see!
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