carczar_84
carczar_84 Reader
5/5/17 10:38 a.m.

Okay, so the autocross bug has bit to me, and I need help. I want to pick up a second set of wheels and a set of the "200tw" street tires to run the rest of the season.

I will be running D Street, so I need to stay stock size. I could pick up a second set of stock wheels, and still might if I can't settle on an alternative. Here are the criteria:

-17x7 w/ 5x100 bolt pattern

-Stock offset is +48, can go +/-7mm

-Lighter than stock (approx 20lbs)

-Don't cost a small fortune

So far I have searched Tirerack, and my options for lightweight are the Kosei K4R's and Enkei RPF1's. I'm not opposed to either, but just want to see if there are any other options out there that I am missing.

KevinLG
KevinLG New Reader
5/5/17 11:33 a.m.

RPF1's, and Koseis are the cookie cutter options, I personally wouldn't bother splurging for the Enkeis, since the increased price doesn't make up for the generally insignificant weight savings (look up the old GRM wheel weight test). The option the majority of people go with is the 225/45/17 RE71R, although if you want to save a few bucks, the 215/45/17 should be within noise for most. Some have also downsized to a 16x7, running the 225/50/16 (a local prefers the 225 section width, and the shorter overall diameter relative to the 225/17). Can't really go wrong with any of the available options. Shame you missed the Bridgestone rebate by a hair.

Blaise
Blaise New Reader
5/5/17 12:06 p.m.

How about the 949 6ULs? I run em on my miata (as does everybody else).

carczar_84
carczar_84 Reader
5/5/17 12:42 p.m.

In reply to Blaise:

I looked into those, but they don't make a 17x7

Toebra
Toebra HalfDork
5/5/17 12:46 p.m.

I think the NC Miata is 5 x 114 anyway

How about take offs from car that has the right pattern and off set. VW/Audi maybe?

JBasham
JBasham Reader
5/5/17 1:40 p.m.

Too bad they don't have anything for you in the TRMotorsport line. I have been running them as track wheels for three years. Light, cheap, and tough enough to track. First wheels ever to beat the old "pick any two" rule.

codrus
codrus GRM+ Memberand SuperDork
5/5/17 1:51 p.m.
Toebra wrote: I think the NC Miata is 5 x 114 anyway How about take offs from car that has the right pattern and off set. VW/Audi maybe?

There's a 5x100 6UL size, but yes, they're not available in 17x7 (8 through 10 only)

Vracer111
Vracer111 Reader
5/5/17 9:15 p.m.

If you want a fairly comprehesive list of wheels for the FR-S this is a good link to look through:

FR-S / BRZ Wheel Directory

In the OEM section the Saab 9-2X aero wheels looks good on it, 17x7 +55... Scion tC wheels have better offset at +45mm though...

Appleseed
Appleseed MegaDork
5/5/17 9:44 p.m.

My FR-S' unicorn is the STi BBS gold wheels from 2004. Those things are tits.

rande
rande New Reader
5/5/17 9:46 p.m.
Vracer111 wrote: If you want a fairly comprehesive list of wheels for the FR-S this is a good link to look through: FR-S / BRZ Wheel Directory In the OEM section the Saab 9-2X aero wheels looks good on it, 17x7 +55... Scion tC wheels have better offset at +45mm though...

Scion tC wheels are a 54.1mm centerbore. The FRS is 56.1mm.

carczar_84
carczar_84 Reader
5/8/17 3:29 p.m.

So I spend a quiet Sunday afternoon and shopped the directory over at FT86Club, but it pretty much led me back the same spot. My options are :

-Second set of oem wheels (can be picked up for cheap, +48 offset ~20lbs)

-Enkei RPF1 ($242/wheel, +42 offset, ~ 14.8lbs)

-Kosei K4R ($200/wheel, +50 offset, ~14.0lbs)

-Motegi MR131 ($129/wheel, +45 offset, ~16.7)

-Misc. unobtanium BBS or OZ wheels that are out of productions

The Motegi's seem like the best sense from a cost/weight standpoint, but I can't figure out if the spokes curve so much they stick out from the rim face. I can't find good photos of them anywhere.

Decisions, Decisions, Decisions. . .

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