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Sanity check on upgrading AP1 wheels & tires

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Old Jan 1, 2015 | 11:33 AM
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Default Sanity check on upgrading AP1 wheels & tires

I have a stock 2002 AP1 and am looking for new wheels & tires for mostly track use.

The wheels I'm ready to buy are Enkei PF01.

Front: 17X8 with 50mm offset (Tire size is 215/45-17)
Rear: 17X9 with 60mm offset (Tire size is 245/40-17)

My question is whether I'll experience any fender rub in the front? Anyone else have the above setup without modifications?

Would anyone suggest I stay away from 255's in the back?
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Old Jan 1, 2015 | 12:29 PM
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I had a bit different wheels on my '06 last summer. Ran these for a month or so until I got OEM wheels.

See https://www.s2ki.com/s2000/topic/109...#entry23270646

17x8 45mm offset (245 x 40 tires)
17x7 45mm offset (215 x 45 tires)

Everything fit in the stock wheel wells, no fender mods or spacers needed.

Stock AP2 wheels are:

Front: 17" x 7.0", +55 offset
Rear: 17" x 8.5", +65 offset

-- Chuck
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Old Jan 1, 2015 | 12:47 PM
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That set up will be fine on stock fenders. They are very safe offsets.
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Old Jan 1, 2015 | 01:10 PM
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Originally Posted by juno1996
I have a stock 2002 AP1 and am looking for new wheels & tires for mostly track use.

The wheels I'm ready to buy are Enkei PF01.

Front: 17X8 with 50mm offset (Tire size is 215/45-17)
Rear: 17X9 with 60mm offset (Tire size is 245/40-17)

My question is whether I'll experience any fender rub in the front? Anyone else have the above setup without modifications?

Would anyone suggest I stay away from 255's in the back?
Excellent setup.

I'd suggest 225F and 255R. It will increase your overall grip limit. It will also increase the heat capacity of your front tires, which are used for both braking and steering (yes, obviously) - this is extremely crucial in a track/HPDE setting. The extra 0.5" rim width on both front and rear will be nice for retaining steering feel and responsiveness.

Don't do 215F with 255R, that will make the car push and understeer.

If you really want to, you can stick with stock sizing with 215F/245R, but given the slightly wider rims you're planning to purchase, I'd say that 225F w 255R will be a more ideal setup.

All of that said, you might experience a tiny bit of front rub in the front under hard compression. With the stock AP2V2s running 225/255 on OEM '06 suspension, I got a little bit of rubbing on the fender liner at the track - extremely light though. I didn't even realize it until I checked. On the street, I don't ever drive hard enough to get that kind of compression.

You wont' need to roll your fenders, but you might want to consider lightly bending the fender liner tabs upwards to prevent catching a tire under hard cornering.
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Old Jan 2, 2015 | 11:30 AM
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Thanks, guys. I ended up ordering those rims today along with Bridgestone Potenza RE-11's (F: 225/45 R: 255/40) Am seriously looking forward to seeing how they do at the track!

Steve
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Old Jan 6, 2015 | 03:09 PM
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OK,the new wheels arrived from TireRack. I'm kinda sorta thinking those rears were about ready to be replaced...
Attached Thumbnails Sanity check on upgrading AP1 wheels & tires-img_2989.jpg   Sanity check on upgrading AP1 wheels & tires-img_0241a.jpg  
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Old Jan 6, 2015 | 04:39 PM
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I hope you're running max camber on the front (anywhere from -1.6 to -1.8 depending on the condition of your a-arms, bushings, and adjusters). it will maximize use of the tires and give better turn in. It will also give you better clearance (for reference, my track alignment is -3.0 camber all around).

And, make sure to bend the fender tabs upwards, else you'll definitely get some rubbing under hard compression at the track.

GL, and give a post track update.
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Old Jan 6, 2015 | 08:19 PM
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Originally Posted by Bullwings
I hope you're running max camber on the front (anywhere from -1.6 to -1.8 depending on the condition of your a-arms, bushings, and adjusters). it will maximize use of the tires and give better turn in. It will also give you better clearance (for reference, my track alignment is -3.0 camber all around).

And, make sure to bend the fender tabs upwards, else you'll definitely get some rubbing under hard compression at the track.

GL, and give a post track update.
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Old Jan 6, 2015 | 08:24 PM
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Yes, thanks for the suggestion on the camber as well - I'll be off to getting an alignment as soon as the weather warms up....like in 3 months! (It'll be a long winter now that I'll be walking past those wheels every day!). Thanks again!
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