Wheel offsets
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Angry
JZS147 Noobie


Joined: 10 Jul 2007
Posts: 33

PostPosted: Tue Jul 10, 2007 8:54 pm    Post subject: Wheel offsets Reply with quote

Where to start really?

What fits the aristo?

ive seen 19x9 19x10s on Mr2jz's fit pretty nicely with some lipping.

how much further can we go?
i seen some big rims on chickitas car..... but thats getting right out there .. maybe too hardcore..

what does everyone else have . .or seen?

im looking at buying an aristo soon..... and have some rims on my radar

19x9.5 +7 19x10 -7 Luftbahn rims....

or 18x8 18x9 +25 Euroline DH's

Pics would be great

perhaps we can make a database on offsets for future reference for newbies.

Matt
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thommo
'Ex Aristo Owner'


Joined: 16 Apr 2007
Posts: 2010
Location: Forrestfield, Perth

PostPosted: Tue Jul 10, 2007 9:01 pm    Post subject: Reply with quote

ive got 18x10 and 18x9 on the front with +24 offset


loooks in members rides "thommos black jzs147"


they slightly stick out of the guards
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Angry
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PostPosted: Tue Jul 10, 2007 9:39 pm    Post subject: Reply with quote

I like it alot thommo

i have eurolines on my r31 coupe .. same offsets.... bleeding theyre not multistudded.

but sounds like the go .. 10s and 9s +20 to +30 area

yours have 265 rear? 235 or 225 front?
i wasnt totally convinced at 18s looking big enough on an aristo .but they look pretty sweet to me .. same style of rim im lookin at buying.
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thommo
'Ex Aristo Owner'


Joined: 16 Apr 2007
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Location: Forrestfield, Perth

PostPosted: Tue Jul 10, 2007 10:02 pm    Post subject: Reply with quote

very stretched 235s on the rear n stretched 225s on the front
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arist-oh!
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Joined: 08 May 2007
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Location: adelaide

PostPosted: Sat Jul 14, 2007 3:25 pm    Post subject: Reply with quote

hey I`m looking at buying a set of 20x8.5 +20 offset rims for the front and 20x10 +25 offset for the rear of my aristo. Anyone know if these will fit? with or without rolling the guards? thanks for your help.
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Angry
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PostPosted: Sat Jul 14, 2007 6:31 pm    Post subject: Reply with quote

use thommos offsets as your base.

http://marksink.com/tire_wheel_offset/offset.html

plug your width and offset values against his.. u'll get an idea of where they'll be going by he's pics he posted of he's ride. in members rides
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arist-oh!
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Location: adelaide

PostPosted: Sun Jul 15, 2007 3:52 am    Post subject: Reply with quote

thanks mate!
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razmrtwo
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Joined: 17 Dec 2007
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PostPosted: Wed Apr 16, 2008 12:15 pm    Post subject: Reply with quote

Guys, what are the correct offset for 18x8 front and 18x9 rear?
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Chickita
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Joined: 12 Apr 2007
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PostPosted: Wed Apr 16, 2008 12:19 pm    Post subject: Reply with quote

'Slain' on these forums has

265 35 18 on 12 inch rear
235 35 18 on 11 inch front

not sure about offsets though..
similar rims to mine - but a bit different!
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razmrtwo
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PostPosted: Wed Apr 16, 2008 12:25 pm    Post subject: Reply with quote

I was again offered another set of wheel from a R34 Skyline GT-T, with 235/45/18 front and 265/35/18 rear. I am wondering if it has the same offset with Aristo
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Chickita
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PostPosted: Wed Apr 16, 2008 12:28 pm    Post subject: Reply with quote

thats the tyre sizes - so what were the rim sizes?
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razmrtwo
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PostPosted: Wed Apr 16, 2008 12:28 pm    Post subject: Reply with quote

Chickita wrote:
thats the tyre sizes - so what were the rim sizes?


18x8 front and 18x9 rear
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asweetdude
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Joined: 13 Jan 2008
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Location: Sydney NSW

PostPosted: Wed Apr 16, 2008 9:18 pm    Post subject: Reply with quote

I know some skylines have wacky like 45p offset and stuf so would prob stay away from those rims... Personally, 19x8.5 front with 235s, 19x9.5 rear with 245s 15p offset on the rear, cant remember what the front offset is but its different and i cant be assed measuring theres photos on here under members rides.. think my post has got 'looking good' in the title.. andyea, no lipping required, they tuck under the guards nicely.
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xscape
'Ex Aristo Owner'


Joined: 14 Apr 2007
Posts: 1148
Location: melb, aus.

PostPosted: Wed Apr 16, 2008 9:29 pm    Post subject: Reply with quote

i started a thread on offset on another site. here is an exert:


Offset - what is it? The offset of a wheel is the distance from its hub mounting surface to the centerline of the wheel, measured in millimetres.



A zero offset, +0, means that the mounting surface is in the direct centre of the wheel. A positive offset, as per the picture above, moves the mounting surface towards the outside of the car (meaning a larger percentage of the wheel will be under the guards). A negative offset does the reverse, moving the wheels further towards the outside of the car. The measurement of offset is almost always in millimetres.

The jzs147 comes with 16x7.5 +50 wheels standard (please correct me if im wrong).


Calculations
I would suggest using the following online calculator: http://www.1010tires.com/WheelOffsetCalculator.asp


Or you could just do the maths yourself! Lets assume you currently have a 16x7.5 +50 wheel, and are considering a set of 19x10 +35s.

Without even looking at the offsets, you can see that you're going to need an extra 2.5" (62.5 odd mm) of clearance - the offset will determine which side of the mounting face you find the extra space.

current distance between hub and outer face of wheel (half width less offset): (187.5/2 - 50) = 43.6mm.

new distance between hub and outer face of wheel (half width less offset): (250/2 - 35) = 90mm.

old distance less new distance: (43.6mm-90mm) = -46.4mm.
This means that the wheel will stick out 46.4mm further than the old set.

There is also the issue of space on the inside of the wheel, towards the strut tower. There is 2.5" (62.5mm) difference in the width of the wheels, and we now know that 46.4mm of the difference will be on the outside, which leaves 16.1mm of additional clearance required on the inside.


NOTES:
There are a few factors which will change the fitment of the wheel - tyre sizes, ride height, spacers, suspension setup (coilovers usually give more inside clearance), negative camber, etc.

Most of these can be used to your advantage to get the exact look you're after. I would suggest its better to buy a wheel with a slightly more positive offset, as a spacer is a cheap and easy way to fix fitment issues.
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2jcya
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Joined: 10 Aug 2007
Posts: 573
Location: adelaide

PostPosted: Wed Apr 16, 2008 10:36 pm    Post subject: Reply with quote

18 by 10 work emotion CRs , 255 35 18 tyres look flush(ish), little small for rim...gtr offset stick out the guards by about a cm rear and about 2 or so front.


http://i191.photobucket.com/albums/z285/benhosking10/P4130259.jpg
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rob_85
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Joined: 15 Apr 2007
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Location: Perth, WA

PostPosted: Wed Apr 16, 2008 11:15 pm    Post subject: Reply with quote

work emotions....shit hot
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razmrtwo
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Joined: 17 Dec 2007
Posts: 78

PostPosted: Wed Apr 16, 2008 11:25 pm    Post subject: Reply with quote

asweetdude wrote:
I know some skylines have wacky like 45p offset and stuf so would prob stay away from those rims... Personally, 19x8.5 front with 235s, 19x9.5 rear with 245s 15p offset on the rear, cant remember what the front offset is but its different and i cant be assed measuring theres photos on here under members rides.. think my post has got 'looking good' in the title.. andyea, no lipping required, they tuck under the guards nicely.


Noted, thanks for the info Bewdy
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aristo_tt
'Ex Aristo Owner'


Joined: 20 May 2007
Posts: 1100
Location: Adelaide, Woodcroft

PostPosted: Sat May 17, 2008 2:07 am    Post subject: Reply with quote

ok guys need a quick answer im not good with wheels and offsets etc. lol but anyway i want these rims that end in 10 hours and i need to know what the pcd is for the aristo?

you know how some are like 114. .. 120. .. etc lol


cheers Jeff Smile
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gta_1024
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Joined: 21 Nov 2007
Posts: 60

PostPosted: Sat May 17, 2008 1:01 pm    Post subject: Reply with quote

Aristo's pcd is 114.3x5
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ant_jzs160
'Ex Aristo Owner'


Joined: 19 May 2008
Posts: 656
Location: Perth - SOR

PostPosted: Mon May 19, 2008 11:05 pm    Post subject: Reply with quote

camber/ride height has a hell of a lot to do with it and also tyre size. and it is also relative to what you as a person call flush and what look you want.

it is possible for a car to have one set of rims in say 9+30 10+30 and the owner say theyre level with the guards. but this car may only mildly lowered, have almost zero camber, and have square-edged tyres.

the same car could be lowered heavily, run some slightly undersize tyres, and get natural camber due to extra lowering front and rear thus giving -2 front and say -3 rear. The wheels he then had will be WELL inside the guards.

then some people like their rears to 'tuck under'. many of the modern jap vip demo cars i see browsing the net run say 19s front and 20s rear so as to acheive tuck at the back.

it is impossible to say what is the "correct" offset. With my S13 i went through numerous guard mods, 3 sets of wheels, and 3 sets of spacers before buying brand new from Japan having done all my sums.

the best thing to try and do is to set up your car in every other way apart from the wheels, and then take measurements as best you can. that is what i intend to do.
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