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18's On The Front, 19's On The Rear

puke22

By puke22,
in Exterior & Interior Styling

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jake33 Experienced

jake33

Posted
Posted (edited)

well if you have 19s on a 33 it can be defectable as 18s are the biggest you can go. im pretty sure different size rolling diameter is illegal too. whatever state you in, check the on the state roads website for the rules and regs.

my moneys on defect. but hey... every mods pretty much a defect nowadays. :)

Edited by jake33
adam-__- Grand Master

adam-__-

Posted
Posted

There shouldn't be a big difference in rolling diameter if you're using the correct tyres.

I'd say that they're illegal. I remember someone saying something about if you've got 225mm tyres all round, you can't go larger in the rear and not the fronts. They must stay the same width (all four 235, 205, etc), but if they came with 255's in the rear and 235's in the front, then you can go what ever you like in the rear and front (doesn't matter if they're not the same). I would say that it's the same for rim diameter. If your car came with 16's in the rear and 15's in the front then it would be legal. I'm not saying that this is the law, it could be complete bullshit (I think it is), just thinking out loud.

POLICE Mentor

POLICE

Posted
Posted

you'd be dumb to put it on an AWD

there was a topic bout a ferrari with 20" front and 22" back a while ago

unless you got adjustable suspension your car'll look like it just got anal probed

eddieeeee-ro Proficient

eddieeeee-ro

Posted
Posted
you'd be dumb to put it on an AWD

there was a topic bout a ferrari with 20" front and 22" back a while ago

unless you got adjustable suspension your car'll look like it just got anal probed

he has a gts-t...

if he got the right tyre profiles should sit evenly i think.

Yo-Yo Grand Master

Yo-Yo

Posted
Posted (edited)

not sure if it helps, but a chrysler crossfire has bigger rear wheels from factory,

I think 18" front and 19" rear

I think the rule in NSW is that you can't go 1" bigger than factory and something to do with the width of the rim

Edited by Yo-Yo
candy33 Experienced

candy33

Posted
Posted

Why not just go 18's all round? or 19's all round. Would probably be cheaper aswell.

Most ppl only do the 'smaller at the back, bigger at the front' So they can lower the car heaps and still be able to turn the front wheels yet fill out the guards.

But ive yet to see anyone do it with 18's as its too small to fill out the guards to the extent of rubbing.

puke22 Contributor

puke22

Posted
  • Author
Posted

i was just pondering the idea, i saw a few pics of a s15 with 18's on the front and 19's on the back and it looked really good. also theres some mags i like, except the 18" one only come in 8" width, but the 19"'s come in 8" and 9.5". so i was thinking maybe 18" by 8" on the front and 19" by 9.5" on the rear. just checking out all my options before i buy :D

adam-__- Grand Master

adam-__-

Posted
Posted

Most people get smaller wheels out back because of cheaper tyre costs and larger wheels at front to clear their massive brakes. Usually see 17's out back and 18's up front.

If you get the right profile tyres, nothing/not much should happen to the speedo. Having 19's at the back and 18's up the front is no different to having 19's all round or 18's all round if you've got the right profile tyres.

datt0man Collaborator

datt0man

Posted
Posted

It will depend what state you are in. Check with the transport department & get it in writing if you can, so you can proove your innocence when you get pulled up.

thats my advice.

Bliksem Veteran

Bliksem

Posted
Posted

There was an MR2 with 19's on the rear and 18's on the front. I think it was in one of the Video Option dvd's... Looked pretty good.

I doubt it's a legal requirement to have all wheels the same including the spare. Think of all the cars with space savers.... including Skylines...

In saying that. check first.

candy33 Experienced

candy33

Posted
Posted

I reckon you could easily get away with it, as only 1 inch difference would be hard to spot by the authorities. My R33 has been running around on 19x10's and 20's for around 2 years, and yet to have a problem with the coppers..but i guess as with most things these days its the risk you take..

adam-__- Grand Master

adam-__-

Posted
Posted

If you want to go 19's in the rear and 18's up front, just do it. Chances are you'll probably get dicked for having tyres that are too wide or you increased your track by more than the legal limit anyway.

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