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  Soarer Central * Celsior Chat * Fitting 20's * Archive through March 27, 2008 Previous Previous    Next Next  

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Adam Sanders
TryHard
NSW
V8

Posts: 162
Reg: 07-2005

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Tuesday, May 09, 2006 - 05:38 am, by:  Adam Sanders (Abz) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have just bought some Second hand HP design 20 inch wheels.

They are 42 offet and 8.5 inch wide all round wearing 245/35/20 rubber.

The back seems to fit fine but on full lock the front wheels rub the front inner guard.

Has anyone played around with this before and have a good fix?
Matthew Sharpe
DieHard
North Island
3.0 GT

Posts: 904
Reg: 10-2005

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Tuesday, May 09, 2006 - 06:45 am, by:  Matthew Sharpe (Madmatt) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Three options perhaps - spacers (yech), modify inner guard (depending on where its rubbing, may be difficult) or lower profile tyres (lower than 35 - ouch) - none are ideal I guess.
Steve Petkos
Tinkerer
Vic
Celsior V8

Posts: 58
Reg: 02-2006

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Tuesday, May 09, 2006 - 07:02 am, by:  Steve Petkos (Vipimp) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

easyest fix = dont go all the way to full lock
Adam Sanders
TryHard
NSW
V8

Posts: 163
Reg: 07-2005

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Tuesday, May 09, 2006 - 07:23 am, by:  Adam Sanders (Abz) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

It doesnt rub on the top it rubs at the front of the wheel arch.

I will get the guards lipped today and see how it goes
Adam Sanders
TryHard
NSW
V8

Posts: 164
Reg: 07-2005

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Tuesday, May 09, 2006 - 01:29 pm, by:  Adam Sanders (Abz) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

so to get these to fit i have to relocate all the wires i guess. Anything else to look out for
Adam Sanders
TryHard
NSW
V8

Posts: 167
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Thursday, May 11, 2006 - 07:20 am, by:  Adam Sanders (Abz) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

After fitting the wheels I noticed where the wheels sit there is some kind of control arm coming off the air bags.

This controller sits about 2cms above my wheels. Can I drive like this because i assume on bumps my wheels will smack up and hit this
Patrick Chan
TryHard
Victoria
Soarer TT

Posts: 144
Reg: 08-2005

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Thursday, May 11, 2006 - 05:13 pm, by:  Patrick Chan (Kittz) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Get coilovers this should sort out the problem.
Adam Sanders
TryHard
NSW
V8

Posts: 168
Reg: 07-2005

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Friday, May 12, 2006 - 01:15 pm, by:  Adam Sanders (Abz) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I fit the wheels fine however I had to take out the plastic splash guards.

Besides my broken alarm is anything going to suffer ?
Andrew Smith
Tinkerer
vic
v8

Posts: 75
Reg: 03-2007

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Monday, March 24, 2008 - 08:00 pm, by:  Andrew Smith (Bt1323) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

you have changed the rolling diameter of the wheel that is why
Sam Avery
TryHard
south australia
celsior v8

Posts: 171
Reg: 10-2006

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Monday, March 24, 2008 - 10:12 pm, by:  Sam Avery (Samavery) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

what do you mean by that andrew?
the car and 20's in question are owned by me now...
Andrew Ferres
DieHard
WA
'90 C-F Celsior V8, '84 Soarer V8, '91 Supra V8

Posts: 792
Reg: 07-2005

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Tuesday, March 25, 2008 - 11:33 am, by:  Andrew Ferres (Peewee) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

From factory the car has 205/65/15's.
This gives a rolling diameter of 647mm.

Legally you can only increase by 15mm - 662mm.

245/35/20's have a rolling diameter of 679mm, well above the legal limit.

If you want 245's on 20's to be legal, they need to run a profile of 30.

215's are the widest you can legally go in 35 profile 20's.
Sam Avery
TryHard
south australia
celsior v8

Posts: 173
Reg: 10-2006

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Tuesday, March 25, 2008 - 06:35 pm, by:  Sam Avery (Samavery) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

well what tyres should i run on said 20's?
do i need to get 225/30's to be legal?

will the tyres eliminate the guard rubbing problem?
Andrew Ferres
DieHard
WA
'90 C-F Celsior V8, '84 Soarer V8, '91 Supra V8

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Tuesday, March 25, 2008 - 07:00 pm, by:  Andrew Ferres (Peewee) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Depends on your state rules.

In WA (and any state under NCOP legislation) the 225/30/20 is perfectly legal without any certificates or inspections.
I'm not sure about SA though, I hear they enjoy anally raping those who try to use 20's ?

225/30/20 will eliminate rubbing as long as the offset is around the +40 to +50 mark.

Best place a phone call to Trans Dept Tech Section and see what they say about larger rims.
Sam Avery
TryHard
south australia
celsior v8

Posts: 175
Reg: 10-2006

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Tuesday, March 25, 2008 - 07:12 pm, by:  Sam Avery (Samavery) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

well these rims are 42offset so i guess that will be ok.

hrm, well i might look into 225/30's
i had the guy at the tyre shop tell me i needed a 245/30 and then it needed to be engineered, i guess that was just him being a typical salesman.
Andrew Ferres
DieHard
WA
'90 C-F Celsior V8, '84 Soarer V8, '91 Supra V8

Posts: 794
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Tuesday, March 25, 2008 - 07:27 pm, by:  Andrew Ferres (Peewee) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

245/30 is legal, but is slightly bigger than stock (rolling diameter wise), so it may cause issues.

225/30 is slightly smaller rolling diameter wise, so will not cause any issues.


Remember that with traction control you need to keep the rolling diameter of the front and the rear within a few % of each other, otherwise the traction computer will think you are losing traction.
Sam Avery
TryHard
south australia
celsior v8

Posts: 177
Reg: 10-2006

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Tuesday, March 25, 2008 - 07:37 pm, by:  Sam Avery (Samavery) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

ill keep the front and back the same.
the other thing he was going on about was load rating or something? is there a specific load rating i need to adhere to..?
Andrew Ferres
DieHard
WA
'90 C-F Celsior V8, '84 Soarer V8, '91 Supra V8

Posts: 795
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Tuesday, March 25, 2008 - 07:53 pm, by:  Andrew Ferres (Peewee) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I'd be worried if a tyre these days is of lower speed or load rating than factory.

http://www.tyrepower.com.au/tyre_load.aspx

But have a look at that.
Sam Avery
TryHard
south australia
celsior v8

Posts: 178
Reg: 10-2006

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Tuesday, March 25, 2008 - 08:16 pm, by:  Sam Avery (Samavery) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

ahh ok.
looks like 225/30s are the go.
how much does a c-f spec celsior weigh?
Andrew Ferres
DieHard
WA
'90 C-F Celsior V8, '84 Soarer V8, '91 Supra V8

Posts: 796
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Tuesday, March 25, 2008 - 08:31 pm, by:  Andrew Ferres (Peewee) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I'd say about 1800kg, but I'd be surprised if you'll find 20's with a load rating less than 90.
Sam Avery
TryHard
south australia
celsior v8

Posts: 179
Reg: 10-2006

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Tuesday, March 25, 2008 - 08:47 pm, by:  Sam Avery (Samavery) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&Item=330220963571&Category=66471&_trksid=p3907.m29

they are 85...

i guess 85 is still ok...
Andrew Ferres
DieHard
WA
'90 C-F Celsior V8, '84 Soarer V8, '91 Supra V8

Posts: 797
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Tuesday, March 25, 2008 - 08:53 pm, by:  Andrew Ferres (Peewee) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

It will be worth checking the factory ratings, as I'm not sure what the factory came with, and if you are allowed to go less than that.

If the factory is 85 or lower, you are fine.
If the factory is higher than 85, make a few calls.
Sam Avery
TryHard
south australia
celsior v8

Posts: 182
Reg: 10-2006

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Wednesday, March 26, 2008 - 05:21 pm, by:  Sam Avery (Samavery) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

ahh buggery.
the factory load rating is 89, and it seems that a 225/30/20 tyre with a load rating of 89 or higher is non-existent(unless someone can prove me wrong, in that case ill buy them)

i have found 245/30/20 with a 95 load rating so i may have to get those and modify the guard to eliminate the rubbing.
Andrew Ferres
DieHard
WA
'90 C-F Celsior V8, '84 Soarer V8, '91 Supra V8

Posts: 798
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Wednesday, March 26, 2008 - 05:41 pm, by:  Andrew Ferres (Peewee) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

245/30's should fit without rubbing.
If it does rub, it should be minimal.
Sam Avery
TryHard
south australia
celsior v8

Posts: 184
Reg: 10-2006

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Wednesday, March 26, 2008 - 06:03 pm, by:  Sam Avery (Samavery) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

wonderful, i found a seller on ebay who does 245/30 for 225each. so for under a grand ill have 4 new tyres.
how much is a tyre shop likely to charge me to fit tyres to the rims?
Simon Martin
TryHard
Queensland
Celsoir UCF11

Posts: 127
Reg: 06-2007

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Thursday, March 27, 2008 - 09:47 am, by:  Simon Martin (Commander) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ok I'll talk from experience since no one else will. When i bought my celsior it had 20s on it. +40 offset 225s running 245/35 rubber. At full lock they rubbed on one side just on the inner guard as you say. Wasn't too major but they weren't new tyres and had already been rubbing for a while, nearly through to the wires actually... Plus they had spacers on them which i'm not sure if they helped matters of fitting under guards or not. That said I had no traction control issues (still lost traction occasionally tho hehe) and they rode very fine and smooth, and my speedo was quite accurate from memory, when i went to 18s it put the speedo out.

anyhows. 245/30s should JUST clear the inside plastic guard, but i found it was also the width of the tyre that contributed, so you could probably run a 225/35 and it would still work. But be warned. 20's are bad for celsior suspension, too hard on it, believe me I know. I went back to a set of 18" forged jap racing wheels and they looked better, rode better, LIGHTER, were cheaper and better wearing on tyres and no one thought i was a wannabe gangsta.

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