APEX | 17" 4-Lug ARC-8 Pre Group-Buy Discussion Thread

[Nick's e30]

Do you think 225 up front would solve the rubbing on hard turns? I know someone stated that 215 are fine.

Pics wouldn't load for me. :/

"Stand tall and shake the heaven."

Yeah, I said 215/235 40 staggered is good from a fit perspective. 225/40's don't exist in 17. Otherwise they'd be a nice square compromise.

[CaliDazze]

Was wondering about this i have an rx7 kit not yet installed and was hoping it would required less than an 18 mm spacer to fit concaves...any pics? I feel like my concaves already stick out alot past the fender with 5 mm spacers to clear front brakes. Was considering running the 8" wheels to clear the brakes not sure how it would look

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Yes, Ive also test fit and need 18-20mm spacers to get the concaves to clear the Rx7/Corrado set up.

Im partial to the to concaves(they look so good) so Im deciding between flares and other BBK options(im lookin at you massive;D)

Also Im pretty sure the Rx7 calipers are ginormous even compared to other BBKs, so there may be a need for spacers even with the flat faces. (just speculation)

[HotelLima95]

Do you think 225 up front would solve the rubbing on hard turns? I know someone stated that 215 are fine.

The issue isn't the width being 235, the issue is the profile being 45. A profile of 40 should be fine under hard turns.

[E30xium]

This is my E30 with the standard 17x8 et25 wrapped in 235/45R17 as well as the stud kit (90mm) that was an option at the same time.

This is standard suspension and brakes and yes, it does scrub under hard turns at the front (even with the plastic inner guards removed) and decent bumps in the rear. I only went with these tyres as I got them for $55 a tyre and I will get some 235/45R17's when my funds are refreshed. With some rolling even these tyres wouldn't scrub except for the hard turns required in a car park. The '45' series is 23.5mm larger in overall diameter then the '40' series so the car does sit higher and it looks ridiculous, but I have coilovers here now to go in.

[IMG]hotellima95.smugmug.com/E30-Photos/i-zmVpBM3/A[/IMG]

Do you think 225 up front would solve the rubbing on hard turns? I know someone stated that 215 are fine.

Pics wouldn't load for me. :/

"Stand tall and shake the heaven."

[HotelLima95]

This is my E30 with the standard 17x8 et25 (flat faced) wrapped in 235/45R17 as well as the stud kit (90mm) that was an option at the same time.

This is standard suspension and brakes and yes, it does scrub under hard turns at the front (even with the plastic inner guards removed) and decent bumps in the rear. I only went with these tyres as I got them for $55 a tyre and I will get some 235/45R17's when my funds are refreshed. With some rolling even these tyres wouldn't scrub except for the hard turns required in a car park. The '45' series is 23.5mm larger in overall diameter then the '40' series so the car does sit higher and it looks ridiculous, but I have coilovers here now to go in.

[f4tj0n]

What size spacers are needed for the concave to clear stock calipers?

Anyone running 245s?

I used 5mm and it cleared. 3mm might be a little close.

[robgoesvroom]

What size spacers are needed for the concave to clear stock calipers?

Anyone running 245s?

[Massive Lee]

Can't wait for Zac to give us a feedback. ;-)

[Nick's e30]

If someone wants to swap their concaves for some flat faces I might consider it.

[sofa KING euro]

Got my 235/40s mounted on my Arc-8 concaves. The wheels did not end up clearing my Rx-7 budget BBK without a large (18mm) spacer which put the tire out past the fender. I got in touch with Massive and will be running his street kit to clear the wheels. Pictures coming this week after I bolt it all on!

Was wondering about this i have an rx7 kit not yet installed and was hoping it would required less than an 18 mm spacer to fit concaves...any pics? I feel like my concaves already stick out alot past the fender with 5 mm spacers to clear front brakes. Was considering running the 8" wheels to clear the brakes not sure how it would look

Sent from my SAMSUNG-SM-G920A using Tapatalk

[Zacm829]

Got my 235/40s mounted on my Arc-8 concaves. The wheels did not end up clearing my Rx-7 budget BBK without a large (18mm) spacer which put the tire out past the fender. I got in touch with Massive and will be running his street kit to clear the wheels. Pictures coming this week after I bolt it all on!

[Nick's e30]

Got my 8's a couple weeks ago.

Cool, but not at all my question. I'm sure everyone has the wheels by now.


So does anyone have tires on them yet?

[Massive Lee]

8" rims might be preferable for street duty. The reason being that as the width is reduced, it allows tires to have a rounder shoulder, which is softer than straight shoulders. Basically, running 235.40.17 on 8" rims is more comfortable than on 8.5"... But on the track, the round shoulders will have more flex and will make the tire less precise. Pick your poison. They each have their advantage.

BTW On my e30 M3 I was running e36 17"x9" rims on 235.40.17 and the tires were a bit stretched. 8.5" is therefore perfect for track duty. and the concave face is sooooo nice ;-)

[iliad]

Anyone get tires on their 8's yet?

Got my 8's a couple weeks ago.

[Nick's e30]

Anyone get tires on their 8's yet?