quik questions

JayYoon · 08-18-2010, 02:14 AM

Hey guys~~~

I have a base 370z... so it comes with 18" alloy wheels...
they are staggered 18x8.5 and 18x9.5...
now i was gonna get new set of rims with new wheels... like 19" but i just didnt want to spent 2 much money for now...
so i m just gonna get staggered 18" rims... that are the same size as the current rims...

so my main question is... can i use the current stock tires on my new 18x8.5 and 18x9.5 rims? they are most likely gonna be xxr... but the point is they are same size... as in 18x8.5 in the front and 18x9.5 and the rear...

lmk!!!

thanks!!!

OMGWTFBBQ · 08-18-2010, 02:16 AM

If they're the same diameter and same width, I don't see why you wouldn't be able to use your stock tires on your new setup.

[/thread]

Jamaica · 08-18-2010, 02:28 AM

you can use your stock tires on 18's. Dont believe you can use them on 19's. If you get wider 18's you can always stretch the tires.

JayYoon · 08-18-2010, 04:03 AM

well my current rims are 18x8.5 in the front and 18x9.5 in the rear...
the new rims that i am going to order are exact same size... so it should be fine right?!

ClemsonWill · 08-18-2010, 07:20 AM

You will be fine with the stock tires. I'm assuming the offsets are the same, too.

JayYoon · 08-18-2010, 01:55 PM

Quote:

Originally Posted by ClemsonWill

You will be fine with the stock tires. I'm assuming the offsets are the same, too.

offsets are +35 on the new rims...
anyone know the offsets for the stock base 370z with 18" rims?

WarmAndSCSI · 08-18-2010, 01:59 PM

Stock is actually 18x8.0 +43 front and 18x9.0 +15 (from my searching, that's what I read) rear.

Stretching the tires just a bit over a 8.5 and 9.5" wheels should be fine.

Big J · 08-18-2010, 02:08 PM

Quote:

Originally Posted by WarmAndSCSI

Stock is actually 18x8.0 +43 front and 18x9.0 +15 (from my searching, that's what I read) rear.

Stretching the tires just a bit over a 8.5 and 9.5" wheels should be fine.

Are you sure the rears are +15?

ClemsonWill · 08-18-2010, 03:07 PM

Quote:

Originally Posted by Big J

Are you sure the rears are +15?

+15 does seem a but low. I did a quick search and didn't come up with anything. Can you any confirm this?

WarmAndSCSI · 08-18-2010, 08:42 PM

Quote:

Originally Posted by ClemsonWill

+15 does seem a but low. I did a quick search and didn't come up with anything. Can you any confirm this?

I originally read it on here, from a post that linked a table from some doc, but I just checked the service manual and it says this for the 18" wheels:

Front: 18 × 8J Aluminum/43 (1.69)
Rear: 18 × 9J Aluminum/15 (0.59)

They are definitely +15 offset - the rear sport wheels are +30.

kenchan · 08-18-2010, 02:39 PM

are you sure you want some XXR wheel? how about you get some wheel spacers for your stock wheels and push them out a little?

or just save up and get the 19's you really want.

wishihadnav · 08-18-2010, 03:31 PM

Quote:

Originally Posted by kenchan

are you sure you want some XXR wheel? how about you get some wheel spacers for your stock wheels and push them out a little?

or just save up and get the 19's you really want.

^^this.

Waiz · 08-18-2010, 11:18 PM

Dude your fronts are going to be hellasunk approved.

Get a lower offset please since I can't convince you not to get those XXR's.

JayYoon · 08-18-2010, 11:59 PM

well i just called xxr... they said it should be fine...

SE · 08-19-2010, 12:20 AM

OP, have you looked into the price of RPF1? They have way better offsets and sizing. I have a set here in flat black.

18x9.5 18x10.5 both +15 offset

08-18-2010, 02:14 AM	#1 (permalink)
JayYoon Enthusiast Member Join Date: Jul 2010 Location: san diego Posts: 452 Drives: 2010 370z Rep Power: 15	quik questions Hey guys~~~ I have a base 370z... so it comes with 18" alloy wheels... they are staggered 18x8.5 and 18x9.5... now i was gonna get new set of rims with new wheels... like 19" but i just didnt want to spent 2 much money for now... so i m just gonna get staggered 18" rims... that are the same size as the current rims... so my main question is... can i use the current stock tires on my new 18x8.5 and 18x9.5 rims? they are most likely gonna be xxr... but the point is they are same size... as in 18x8.5 in the front and 18x9.5 and the rear... lmk!!! thanks!!!

08-18-2010, 07:20 AM	#5 (permalink)
ClemsonWill A True Z Fanatic Join Date: Jul 2010 Location: Charleston, SC Posts: 12,045 Drives: a Civic VP! Rep Power: 445	You will be fine with the stock tires. I'm assuming the offsets are the same, too. __________________ Slightly modded

08-18-2010, 01:59 PM	#7 (permalink)
WarmAndSCSI A True Z Fanatic Join Date: May 2010 Location: SLC, UT Posts: 1,671 Drives: '08 Evo X \| '10 370Z Rep Power: 18	Stock is actually 18x8.0 +43 front and 18x9.0 +15 (from my searching, that's what I read) rear. Stretching the tires just a bit over a 8.5 and 9.5" wheels should be fine. __________________ '10 PW 370Z 7AT - wife's car - Project Raspberry Cheesecake '08 Evo X - built motor+trans \| BB-X @ 32 psi \| CH3OH \| self-built+tuned - ??? WHP '01 Galant V6 - built motor \| GT35R \| self-built+tuned - 550+ WHP (retired)

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08-18-2010, 02:16 AM	#2 (permalink)
OMGWTFBBQ A True Z Fanatic Join Date: Jan 2009 Location: the OC Posts: 1,886 Drives: 08 SGM IS350 Rep Power: 4550	If they're the same diameter and same width, I don't see why you wouldn't be able to use your stock tires on your new setup. [/thread]

08-18-2010, 02:28 AM	#3 (permalink)
Jamaica A True Z Fanatic Join Date: Mar 2010 Location: SoCal Posts: 15,362 Drives: Under boost Rep Power: 74	you can use your stock tires on 18's. Dont believe you can use them on 19's. If you get wider 18's you can always stretch the tires.

08-18-2010, 04:03 AM	#4 (permalink)
JayYoon Enthusiast Member Join Date: Jul 2010 Location: san diego Posts: 452 Drives: 2010 370z Rep Power: 15	well my current rims are 18x8.5 in the front and 18x9.5 in the rear... the new rims that i am going to order are exact same size... so it should be fine right?!

08-18-2010, 02:39 PM	#11 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141521	are you sure you want some XXR wheel? how about you get some wheel spacers for your stock wheels and push them out a little? or just save up and get the 19's you really want.

08-18-2010, 11:18 PM	#13 (permalink)
Waiz A True Z Fanatic Join Date: Apr 2010 Location: SoCal Posts: 9,262 Drives: Z33 & GE8 Rep Power: 459	Dude your fronts are going to be hellasunk approved. Get a lower offset please since I can't convince you not to get those XXR's.

08-18-2010, 11:59 PM	#14 (permalink)
JayYoon Enthusiast Member Join Date: Jul 2010 Location: san diego Posts: 452 Drives: 2010 370z Rep Power: 15	well i just called xxr... they said it should be fine...

08-19-2010, 12:20 AM	#15 (permalink)
SE A True Z Fanatic Join Date: Jan 2010 Location: San Jose, CA Posts: 4,236 Drives: 370z/STI/EVO X/IS-F Rep Power: 24	OP, have you looked into the price of RPF1? They have way better offsets and sizing. I have a set here in flat black. 18x9.5 18x10.5 both +15 offset