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Originally Posted by Megator
Quote:
Originally Posted by pooyab
Just installed AST 5100 on my friends car and he's having clearance problems. He has 18x9.5 +38 TE37 with a 12.5mm spacer and 265/35 square. According to APEX wheel fitment guide an 18x9.5 +28 setup should work so I'm wondering why this isn't.
I've told him to swap to 255 tires up front and if it's still close, move up to a 15mm spacer. But I'm just wonder why it's not working when according to apex's site, it should.
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I think what you are missing from the Apex guide is this sentence " 5mm front spacers or larger may be required with certain aftermarket suspensions, see below."
38-12.5= ET 25.5 which is still off of ET23 (28-5) they recommend for aftermarket suspensions with 255 tires. Add the 5mm of extra tire of a 265 and your friend would need a minimum of 7.5mm extra worth of spacer for a 20mm total spacer.
Not sure why but many coilovers have the perch right where the tire goes (instead of above as OEM) which limits wheel/tire width inwards.
Another thing to try are narrower tires. OEM 265s are actually 245mm at the tread.
BTW I have 265s up front on OEM susp. and on 18*9 M513 wheels.
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Originally Posted by M2 GT
how much camber?
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Camber wont help with strut clearance. The geometry of the strut to the wheel does not change with camber. Camber will only help with outer fender clearance. |
You are right. Reading it again today I missed the 5mm "or greater" part. I had him move to an 18mm spacer clearance is close but it's not hitting anymore I think (3-5mm range), considering moving to a 20 and calling it a day.
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Originally Posted by M2MGM
Try a shorter coil and ditch the helper spring ?
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I've thought about removing the helper spring. Might just do it next time I have the car apart.