Enkei rpf1 17x9.5 +38 fitment question
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This is a discussion on Enkei rpf1 17x9.5 +38 fitment question within the Suspension & Wheels forums, part of the Tech & Modifying & General Repairs category; Hey! Getting new wheels in for autox. I got on the lsdmotorsport group buy and went with the 5x100 17x9.5 ...

  1. #1
    Registered User Acrdys's Avatar
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    Enkei rpf1 17x9.5 +38 fitment question

    Hey! Getting new wheels in for autox.

    I got on the lsdmotorsport group buy and went with the 5x100 17x9.5 +38 rpf1 wheels.

    Any idea how wide of a tire I can fit without any issues?

    I'm on tokico d-specs + rce yellow and I have about -2.0 camber in front and about -1.7 camber in the rear.\

    Also! can I fit 255/40/17 on 17x8s for now? do the pros outweigh the cons for autox?
    Last edited by Acrdys; 09-11-2012 at 11:56 AM.
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    Registered User dolson1120's Avatar
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    year of car? any other mods?
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    Registered User Acrdys's Avatar
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    2007 wrx oh I guess 27mm front sway bar and a 22mm rear if it matters.
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    Registered User Acrdys's Avatar
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    Can a mod fix my title My finger missed the "T" and clicked "R" instead
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    Moderator rage-wrx's Avatar
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    Quote Originally Posted by Acrdys View Post
    Can a mod fix my title My finger missed the "T" and clicked "R" instead
    fixed
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    Registered User Acrdys's Avatar
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    255/40/17 hankook rs3s on my 17x8s for now.
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    UnBanned Sinister's Avatar
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    you look like you rub in the back
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    Registered User Acrdys's Avatar
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    I do rub in the back . I'm guessing going from 17x8 +48 to 17x9.5 +38 on the same tires will still rub?

    [edit] rolling fenders this afternoon. Also got a new alignment

    -3.9 up front with only camber bolts. Can't wait to take it out to the next auto-x event ^^


    https://dl.dropbox.com/u/25078311/SCAN0051.JPG
    Last edited by Acrdys; 10-09-2012 at 05:52 PM.
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    Registered User starkall's Avatar
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    Enkei rpf1 17x9.5 +38 fitment question

    You will really rub, sorry to say

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    Registered User Acrdys's Avatar
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    Quote Originally Posted by starkall View Post
    You will really rub, sorry to say
    I'm rubbing with 255s I was hoping to fit more tire under there in the near future. Called my friends to help me roll the rears tonight. I'll post picks on update.
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    Registered User Acrdys's Avatar
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    Pulled the fender... car should now be ready to accept the 17x9.5 +38 rpf1s
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    "Supreme Subaphile Extraordinairre" ninefourteener's Avatar
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    9.5 is a bit wide for the 02-07 cars.... but it has been done before... many times.

    You will have to roll both front and rear fenders. The rears you might even have to stretch them a bit.

    The issue isn't the fender though... it's the strut. I run a 17x9 with a 44 offset, and a 255/40 tire.... and I have about 2mm of clearance between the strut and the tire, with 2 degrees negative camber.

    If you plan on running a more aggressive camber setup on the front for the track /autox... you may need to use a 5mm spacer to be able to clear the strut. But... that leaves more room for rubbing the fender too... so it's a give/take relationship.

    Either way... picking up some 5mm spacers could save you a set of tires. I wouldn't go any wider than a 255 though.
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  14. #13
    Registered User Acrdys's Avatar
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    Quote Originally Posted by ninefourteener View Post
    9.5 is a bit wide for the 02-07 cars.... but it has been done before... many times.

    You will have to roll both front and rear fenders. The rears you might even have to stretch them a bit.

    The issue isn't the fender though... it's the strut. I run a 17x9 with a 44 offset, and a 255/40 tire.... and I have about 2mm of clearance between the strut and the tire, with 2 degrees negative camber.

    If you plan on running a more aggressive camber setup on the front for the track /autox... you may need to use a 5mm spacer to be able to clear the strut. But... that leaves more room for rubbing the fender too... so it's a give/take relationship.

    Either way... picking up some 5mm spacers could save you a set of tires. I wouldn't go any wider than a 255 though.
    Informative as always! I'll pick up 5mm spacers running -3.9 camber on my front now

    Still havn't rolled the front yet... don't want to lose the wheeel well stuff ><

    Can't wait for next season!

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    "Supreme Subaphile Extraordinairre" ninefourteener's Avatar
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    I ran neg 2 degrees of camber on the street (still do).... and when I would go to the track, I would bottom out the tophats on my coilovers to a neg 4.... thats a good angle for track setup.

    If you don't have adjustable camber though.... neg 4 is a LOT of camber to run on the streets. Your car will float around quite a bit on the highway.

    Contrary to popular belief.... Camber isn't what kills your tires.... it's Toe.

    If you absolutely must run a neg 4 camber.... I would tell the alignment shop that they MUST be able to get the toe on your car as close to zero as possible. Even a .05 will chew your tires up in no time.

    For a non-adjustable setup.... I would reach for a neg 2.2 to neg 2.5.... no more. If you are still understeering at the track..... pump up the front tires to as high as possible..... and think about a stiffer rear swaybar.... or an adjustable rear swaybar that you can adjust for the track. (Hotchkis, Cobb, etc)

    Good luck.
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