IS F (2008-2014) Discussion topics related to the IS F model

Enkei RPF1 18s on ISF

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Old 09-21-18, 08:22 PM
  #16  
flowrider
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If I wanted to go with 18s, which I don't, I'd try these:

https://www.clublexus.com/forums/is-...-for-70-a.html

Lou
Old 09-21-18, 11:25 PM
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lobuxracer
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Only one question - why those wheels? Nothing about them screams mechanical grip improvement, so I don't really understand.
Old 09-22-18, 09:09 AM
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Prezajf
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It didn’t get anywhere near the “Lexus” on the caliper at least on my setup. I did however have to slightly grind on the calipers for them not to rub, and I’ve never been a fan of wheel spacers. I was surprised the rear calipers gave me a harder time with the fitment vs the front. I’ve just always loved the look on the wheels. And I wanted something while I waited to get the same size TE37s for my IS
Old 09-22-18, 04:10 PM
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Jwconeil
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18x9.5 et38 will fit. 45 is too tight. I don’t know about fender clearance.
Old 09-24-18, 02:37 PM
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isfdave86
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Originally Posted by Jwconeil
18x9.5 et38 will fit. 45 is too tight. I don’t know about fender clearance.
Just for RPF1s or the offset in general? There's another thread with PF01s +45 , lowered and doesn't have any issues.
Old 09-24-18, 03:41 PM
  #21  
Prezajf
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My current setup. 18x9.5 45offset square setup. She’s dirty I know
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Cerevo (02-23-23)
Old 09-24-18, 04:04 PM
  #22  
xaker777
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Originally Posted by Prezajf

My current setup. 18x9.5 45offset square setup. She’s dirty I know
rare picture of rpf1 on isf. Looking really good. What size tires u are using?
Old 09-24-18, 04:15 PM
  #23  
Prezajf
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Good ol Hankook Ventus V12’s lol 275/35/18. And thanks!
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Old 09-24-18, 04:45 PM
  #24  
Jwconeil
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Originally Posted by isfdave86
Just for RPF1s or the offset in general? There's another thread with PF01s +45 , lowered and doesn't have any issues.
rpf1s only. Their face is sunken in. 45 offset is ideal otherwise. 38 May run into clearance issues on fenders if lowered or running aggressive tires. On that last point I’m not sure. That’s why i gave up on RPF1s.
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Old 09-24-18, 10:47 PM
  #25  
xaker777
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Originally Posted by Prezajf
Good ol Hankook Ventus V12’s lol 275/35/18. And thanks!
wow. Good tires. Hmm Aren't they a bit too small ? They look little bit smaller than stock tires...
Old 09-25-18, 09:58 AM
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Leander311
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+1 on RPF-1's fitting in 18x9.5 +38 fitting with decent clearance to calipers.

Actually, +3... Buddy here runs a set of them in 18x10's +45 on street rubber, and an identical set with track rubber for SCCA events... No fitment issues with either, and he's lowered a tad on Penskes.

-Nick
Old 09-25-18, 01:02 PM
  #27  
Jwconeil
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Originally Posted by Leander311
+1 on RPF-1's fitting in 18x9.5 +38 fitting with decent clearance to calipers.

Actually, +3... Buddy here runs a set of them in 18x10's +45 on street rubber, and an identical set with track rubber for SCCA events... No fitment issues with either, and he's lowered a tad on Penskes.

-Nick
so would the 9.5 et 38 clear with 275 square? I imagine it may fit at stock height. Lowered would probably cause problems.
Old 09-28-18, 10:27 AM
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Originally Posted by Jwconeil


so would the 9.5 et 38 clear with 275 square? I imagine it may fit at stock height. Lowered would probably cause problems.
Depending on wheel & tire, they'd probably be ok, especially at stock height. My buddy is running 19x9.5 +40 with 275s (square), and he's lowered. Also, I think some others are running 19.5x9.5 +38 square (JDMV8?) lowered.. Though, IIRC, he's using 265 tires.

-Mike

Old 09-28-18, 10:43 PM
  #29  
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Originally Posted by xaker777


rare picture of rpf1 on isf. Looking really good. What size tires u are using?
love the look on the Starfire
Old 07-15-22, 10:08 AM
  #30  
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Sorry for bumping an old thread, but I finally put these on. 18x10 38et

My issue is, on full lock, the fronts rub against the external reservoir on my KW V3's.

Curious if anyone encountered this and what they've done to correct - seen a few ISF's on RPF1's, but they always seem to have only the rear. \

Currently waiting on extended studs and some spacers - but I have a feeling I'll have fender clearance issues after.




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