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Old 08-03-2013, 07:07 AM   #1
Alemenara
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Legality of 5stud to 4stud conversion

^ Just as the title suggests I'm looking at possibly buying a V6 Astina however i'm put off only by the fact it runs 5 stud hubs as my wheels are 4 stud and i'd prefer not to buy another set of wheels for it right off the bat. So i was curious as to if it was legal/safe to put the hubs from my I4 onto a V6, i'd have to get my rotors drilled for 4 stud holes as i asume the v6 uses a different brake setup?

Any clarification on this would be great. Thanks!
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Old 08-03-2013, 09:06 AM   #2
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Im sure their have been a few people here that have done it, but with 4 stud to 5 stud, so i guess you can reverse them to 5 stud to 4 stud, but by memory you have to change the hub assembly as well, so you dont need to drill anything, basically like a swap over.

Personally i'd keep the 5 stud as it has the bigger brake set-up, and sell the wheels you have that are 4 stud and slowly save up for 5 stud, there is alot of cheap wheels on the ebay, gumtree.
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Old 08-03-2013, 10:53 AM   #3
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As above. 5 stud rims are 100x easier to find and are generally cheaper/cooler than the 4stud options.

Source: I have 4stud =(
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Old 08-03-2013, 11:24 AM   #4
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dont buy a V6 BA, problem solved.
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Old 08-03-2013, 12:56 PM   #5
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I swapped from 4 to5 stud as a performance upgrade (thanks clean cookie). The v6 uses a larger rotor calliper combo on the front.
There is some interchangability of the hubs and such but i'd suggest the money spent on getting rotors drilled etc be sent rupes way (free plug) for a set of 5 studders instead.
If im getting you correctly... I dont think it'd be legal or wise to go to a smaller rotor or calliper. If your'e in there chuck a set of new pads in. As suggested up there 5 studs open up way more possibilities.


Edit:it seems i did misunderstand. Your'e suggesting whacking your hubs alone into the larger rotor calliper setup? It will work but i'd recommend against it. That big lump of v6 would probably need an extra stud per wheel to deal with the extra torque/weight etc. I cant see it being legal.

Last edited by ghetto3; 08-03-2013 at 01:28 PM.
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Old 08-03-2013, 01:10 PM   #6
Alemenara
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To Clarify what im asking is that i will be using what cash i have available to me to buy the car and there won't be money left to buy another set of wheels.

I'm simply asking is it legal to take off the 5 stud hubs, take off the front rotors and have them re-drilled so i can also fit them on a 4 stud hub, put the 5 stud caliper on the redrilled rotor and fit the car up with my 4 stud wheels and hubs. Getting the rotors re-drilled will cost me next to nothing as i have to go down to west sydney in a few weeks and theres an RDA joint down that way, can have the rotors re-drilled real quick whilst i wait.

It will save me having to find $1200+ for tyres and wheels at the same time of purchase. It would only be used as a temporary solution. I haven't bought the car yet, so i'd like to know before i commit and put down a deposit.

This BA is the cleanest BA i've ever laid my eyes on, comes with sunroof and full options and not only that it has 64,000 genuine KMs (little old lady owner from new), i'm going to see it later this afternoon and i'd like to know before i go.
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Old 08-03-2013, 01:47 PM   #7
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Buy a 4cyl. Time and time again for me proven to be quicker, more reliable. More fuel effecient.
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Old 08-03-2013, 02:04 PM   #8
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why do you have to put wheels on it?

can't you just run with stockies for the time being seems like a lot of effort to just be able to put wheels on it IMO. or does it not come with wheels?
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Old 08-03-2013, 02:06 PM   #9
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I have a set of factory v6 alloys with almost brand new tyres
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Old 08-03-2013, 02:09 PM   #10
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Quote:
Originally Posted by HAIGHIE View Post
why do you have to put wheels on it?

can't you just run with stockies for the time being seems like a lot of effort to just be able to put wheels on it IMO. or does it not come with wheels?
Quote:
Originally Posted by Clean_Cookie View Post
I have a set of factory v6 alloys with almost brand new tyres
It comes with stock wheels, the tyres seem to be alright but i won't know till i see it in person. I'd just rather run my 17s on it as soon as i can if its legal to do so, if not i'll wait. I just want a straight answer if its legal or its not legal.
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Old 08-03-2013, 02:38 PM   #11
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Quote:
Originally Posted by Alemenara View Post
It comes with stock wheels, the tyres seem to be alright but i won't know till i see it in person. I'd just rather run my 17s on it as soon as i can if its legal to do so, if not i'll wait. I just want a straight answer if its legal or its not legal.
Re drilling brake rotors... then asking about legality should not be put in the same sentence.
lol

No its not legal lol.

Also, (at least here in NSW) down grading to the 4 stud when the car was designed for 5 stud would definitely be illegal (unless engineered... in which case... the engineer wouldn't pass it anyway).

4stud to 5 stud is legal. 5 stud to 4 stud is illegal.
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Old 08-03-2013, 02:44 PM   #12
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Cheers for that.
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Old 08-03-2013, 02:47 PM   #13
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What they said! if it is bang tidy and low k get it, be happy its yours and wheels etc can be in the future. Jump at it if you've the cash.
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Old 08-03-2013, 02:53 PM   #14
BG1.8sp
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No worries,
Basically for any Modification...

If it is deemed to be a downgrade = Not legal
If it compromises structural integrity in anyway = not legal
If it is a upgrade was not a factory option/ variant on your chasis = illegal (unless proven otherwise... i.e. Engineered)
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Old 08-03-2013, 04:52 PM   #15
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so mines legal ?? YAY
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Old 08-03-2013, 05:11 PM   #16
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maybe take a look at some 4 to 5 stud spacers?

http://www.gktech.com/products/#38
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Old 08-03-2013, 05:25 PM   #17
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illegal mod and is pretty dumb....
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Old 08-03-2013, 05:58 PM   #18
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Use the 4 stud hubs, get some blank V6 rotors drilled to 4 stud. Done.
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Old 08-03-2013, 06:52 PM   #19
Alemenara
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Quote:
Originally Posted by Rupewrecht View Post
Use the 4 stud hubs, get some blank V6 rotors drilled to 4 stud. Done.
Is that legal?
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Old 08-03-2013, 07:10 PM   #20
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Keeping same brake size...
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