Who's making the move to STU?

Zewerr · 02-07-2021, 01:20 AM

So, I'm trying to decide on a good 18x11 option. The waaaay cheaper option, but still a good quality lightweight wheel is the Konig Hypergram, but I'm worried about a +15 offset. Many of you here are saying this should be fine, but math shows that these will stick out 14 mm further than my 19x10.5 +23 that I'm coming from which fit perfectly flush on the front with -3.2 degrees of camber. It would seem that running around a +25 would be best. Wheels available there would essentially double or triple the price over the Konigs, though. Anyone have good picts of 11's at around a +15?

Hotrodz · 02-07-2021, 09:45 AM

Quote:

Originally Posted by Zewerr

So, I'm trying to decide on a good 18x11 option. The waaaay cheaper option, but still a good quality lightweight wheel is the Konig Hypergram, but I'm worried about a +15 offset. Many of you here are saying this should be fine, but math shows that these will stick out 14 mm further than my 19x10.5 +23 that I'm coming from which fit perfectly flush on the front with -3.2 degrees of camber. It would seem that running around a +25 would be best. Wheels available there would essentially double or triple the price over the Konigs, though. Anyone have good picts of 11's at around a +15?

There may not be enough back spacing to run a +22. I run +18 and it is really close.

Sent from my SM-G965U using Tapatalk

Zewerr · 02-07-2021, 07:24 PM

Quote:

Originally Posted by Hotrodz

There may not be enough back spacing to run a +22. I run +18 and it is really close.

Sent from my SM-G965U using Tapatalk

Is it the steering knuckle I have to worry about? Currently, I have about 3/4" of clearance, I'm estimating. Going down an inch in diameter will move the wheel slightly closer to the knuckle. I'm guessing it'll give me another 1/2" to work with. Total guesses, though, without actually measuring.

ConekillerZ34 · 02-17-2021, 11:05 PM

I think I'll be taking a bit of a plunge on behalf of the current thread topic. Looks like I'll be picking up a set of 18x11 square Forgestar F14s (or Gramlight 57T, haven't decided yet).

Probably going with a 18x11 +25 all the way around, with a few different sets of spacers to give me options. Per the math, I need +21 to match my current fitment and would expect that to give me about 7.5mm clearance inside at the narrowest point to the arm, depending on how the 315 tire itself sits out from the lip. That's based on a rough measurement, so I'm trying not to get down to the millimeter on the inside.

I figure if a spacer is necessary, with a 5mm spacer I'll be only millimeter off of my current setup in the front, and even with the extra tire meet it won't be looking like a formula car. If I have to run even more spacer, well I'm already rocking #44 so maybe it'll just be another silver Mercedes.

On the rear it's obviously not as much of a concern, and 10-15mm of spacer will probably get the aesthetics handled.

Fingers crossed. I've been talking to Brendan, but if anyone else has measurements that make me crazy, speak now or forever hold your peace.

Wigjiggy · 02-07-2021, 04:06 PM

Quote:

Originally Posted by Zewerr

So, I'm trying to decide on a good 18x11 option. The waaaay cheaper option, but still a good quality lightweight wheel is the Konig Hypergram, but I'm worried about a +15 offset. Many of you here are saying this should be fine, but math shows that these will stick out 14 mm further than my 19x10.5 +23 that I'm coming from which fit perfectly flush on the front with -3.2 degrees of camber. It would seem that running around a +25 would be best. Wheels available there would essentially double or triple the price over the Konigs, though. Anyone have good picts of 11's at around a +15?

Don’t know if this is helpful. But this is a pic showing flush at the top with -3% camber. Theses are:
Enkei NT03-M 18x10.5 +30mm offset (relatively cheap)
With 295/30/18 Toyo RR‘s
And 5mm spacer

02-17-2021, 11:05 PM	#4 (permalink)
ConekillerZ34 Base Member Join Date: Jan 2020 Location: DC Posts: 26 Drives: 2016 370Z Nismo Tech Rep Power: 11	I think I'll be taking a bit of a plunge on behalf of the current thread topic. Looks like I'll be picking up a set of 18x11 square Forgestar F14s (or Gramlight 57T, haven't decided yet). Probably going with a 18x11 +25 all the way around, with a few different sets of spacers to give me options. Per the math, I need +21 to match my current fitment and would expect that to give me about 7.5mm clearance inside at the narrowest point to the arm, depending on how the 315 tire itself sits out from the lip. That's based on a rough measurement, so I'm trying not to get down to the millimeter on the inside. I figure if a spacer is necessary, with a 5mm spacer I'll be only millimeter off of my current setup in the front, and even with the extra tire meet it won't be looking like a formula car. If I have to run even more spacer, well I'm already rocking #44 so maybe it'll just be another silver Mercedes. On the rear it's obviously not as much of a concern, and 10-15mm of spacer will probably get the aesthetics handled. Fingers crossed. I've been talking to Brendan, but if anyone else has measurements that make me crazy, speak now or forever hold your peace. __________________ 2016 Nismo 370Z \| SCCA STU Autocross Build WIP 2015 GT-R Black Edition \| Sold 2006 350Z SCCA STU prepped \| Sold

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02-07-2021, 01:20 AM	#1 (permalink)
Zewerr Base Member Join Date: Jan 2019 Location: Tacoma, WA Posts: 45 Drives: 11 370Z 82/182 STU Rep Power: 8	So, I'm trying to decide on a good 18x11 option. The waaaay cheaper option, but still a good quality lightweight wheel is the Konig Hypergram, but I'm worried about a +15 offset. Many of you here are saying this should be fine, but math shows that these will stick out 14 mm further than my 19x10.5 +23 that I'm coming from which fit perfectly flush on the front with -3.2 degrees of camber. It would seem that running around a +25 would be best. Wheels available there would essentially double or triple the price over the Konigs, though. Anyone have good picts of 11's at around a +15?