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Largest wheels specificed by nissan/datsun for s30's


zedevan

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I'm wondering if there is any offical documentation that anyone has a link to or could scan that states the largest wheels specificed by nissan for our cars.

Having just recieved my new wheels after waiting ages i thought i should get some documentation so if i ever have an issue with authorites i'm not under a huge stress to try to find it!

Here is a link to state the laws i have to follow in the state i am in.

http://www.vicroads.vic.gov.au/NR/rdonlyres/CC48FC10-4D57-4F04-82E1-3BD72EF88340/0/VSI8.pdf

in short i'm not ment to have a wheel thats 25mm wider than the widest specified by nissan or 25mm wider in track.

My search's have come up with nothing although i remember previously asking the same question and someone replied stating that the widest wheels 240z's were allowed to race with in aus was 11"? I guess up to now i've just assumed that these wheels must fit within those laws as why else would nissan bother having flares on the cars from the factory? but that answer may not satisfy the police...so it would be great to have something i could print out and have in my car with me!

Thanks in advance

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Why don't you jus type up an Officil looking statement on you computer, cut and paste a couple of Black & White nissan datsun logos and print it out then stuff in your service manual in your glove box.

I seriously doubt they would check to see if it's legitimate or not :laugh: LOL

~Z~

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Pretty stringent requirements there. I can't speak for the S30 offerings in Oz, but here in the states the largest S30 rim was a 14x6 alloy. Which would limit you to a 7" wide wheel. Obviously, some of the JDM offerings had wider than that, but they may or may not apply to the Oz market, so I don't know if your state would recognize them as legit.

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thanks for that, i'm not going to forge a document coz then i'm screwed if they aren't happy with it...my thoughts are it states

"the widest wheel speicified by the vechicle manufacturer for that model or vechicles series"

so there's nothing there about it only being an australian released car, and a 240zg is part of the series!

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240zg came with cookie cutters too...

Race cars running 11"+ wide rears don't come into the picture with this law I understand.

Unfortunately we're screwed in this case.

I don't know of any wider than 6" for any model.

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Maybe the best documentation you could obtain is the Homolgation Papers for the S-30?

You can purchase them from CAMS, might be a bit pricey though.

Personally, I would just do what you want to do and worry about the consequences later. Very few people in Vicroads would even know what a zed is.

mu2/5 c worth.

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Personally I would be more worried about if - heaven forbid - you were in an accident. If your car is deemed "unroadworthy" your lovely insurance company may refuse to pay up.

I believe you can get them "engineered" for roadworthiness though?

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my insurance company knows about the wheels and said they didn't care what size they were, although i know this means nothing as they can easily change their mind, but yeah since i already have the rims i am not that worried and it will take a few defects before i get sick of them i'm guessing!

did u ever have a problem with your wheels alfadog? or any of your car for that matter? i guess it looks so period correct they'd have trouble argueing with you

my nice 240zg model has only stock rims on it, so i assumed wrongly about them actually putting the flares on for a reason from the factory?

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........ I can't speak for the S30 offerings in Oz, but here in the states the largest S30 rim was a 14x6 alloy....

Actually, here in the states, the S30 alloy is 14x5.5. They're on my car. They didn't become 14x6 until the 280zx. Doesn't answer zedevan's question but I wanted to clear up that point.

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Actually, here in the states, the S30 alloy is 14x5.5. They're on my car. They didn't become 14x6 until the 280zx. Doesn't answer zedevan's question but I wanted to clear up that point.
Thanks for the clarification, Stephen. I know the S30 alloys were 5.5", but that fact always seems to slip my mind when I need it most.

Which reminds me that there was even a factory 5.5" steel wheel (for hubcaps) offered as a dealer-option clear back at the start, or at least by 1971. It was part number 40300-E4600, and the list price in 1971 was $13.50 per rim.

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thanks for that, i'm not going to forge a document coz then i'm screwed if they aren't happy with it...my thoughts are it states

"the widest wheel speicified by the vechicle manufacturer for that model or vechicles series"

so there's nothing there about it only being an australian released car, and a 240zg is part of the series!

LOLROFL

Smart Man :laugh:

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did u ever have a problem with your wheels alfadog? or any of your car for that matter? i guess it looks so period correct they'd have trouble argueing with you

Nope. I was pulled over a couple of times but I just told them what they needed to hear. The thing was much too loud too, but the "its an old car" seemed to work. Might not be so effective down in draconia victoria.

my nice 240zg model has only stock rims on it, so i assumed wrongly about them actually putting the flares on for a reason from the factory?

I'm sure Alan will correct me if I'm wrong, but hte 240ZG was a homoglation model. The flares were there so they were eligible to race with flares. But why not put wider wheels on the ZG? I have heard that the reason was Nissan figured enthusiasts would put their own choice of wheels on anyway. Not sure how true that story is but it sounds good.

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Zedevan

Could you please tell us the size and style of rim you have purchased for your car?

I have just ordered a new set of 15x7 Superlites to be fitted with 205/60R 15 Michellin Energy MXV8 tyres. This is all fairly conservative, with the same (close enough) overall diameter as the tyres fitted to the standard rims.

I first enquired about this combination 3 1/2 years ago, so it has taken me a fair while to get around to doing it!!! I was expecting to stay as close to original as possible, but I have moved away from that idea and I am more keen to end up with a neat, clean, reliable car that I am happy to drive anywhere anytime.

All I have got to do is finish all this work and get driving!!

Regards, Jack

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yeah if i had your car i'd have issues modifying it also! i was going to get superlites but thought i may as well pay the extra and get exactly what i want - the same rims as sulio (toecutter) but with black centres, and i waited over 150 days for them! i'll get some pictures up when i'm around in daylight to actully take some of them, and i can find a camera...i need to do something about the drums on the rear thats for sure!

they are 17x8.5 - 6 and 17x9.5 -19 from memory, so u can see why i'm thinking it might b cop attention and definately larger than what was stock on my car, although the rolling diameter is basically identical. I hear alot of people talking about a 2" larger in diameter rule but i can't find this anywhere on the vicroads website

so i'm hoping that somewhere in the world there is documentation of an s30 coming with 15x8.5's on the back! if not i'll hope that what cams certifies counts for something...or something like that!

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zedevan,

The straight answer to your original question is:

10k x 14 rear and 8j x 14 front.

In Japan, you could order a new car ( initially a Fairlady Z432 or Z432-R - but subsequently any of the L-series engined Fairladies too ) and choose some special parts from both the 'normal' dealer options list, and also the 'Sports Option' lists. The above wheels were on the 'Sports Options' lists for S30-series Z models. This is all documented and proveable.

But - as Alfadog has pointed out - this will most likely be of little use against the power of an insurance company's lawyers, should you ever find yourself in a situation where you need to call on your 'proof'. Watch out that it doesn't come back and bite you on the arse after you have forgotten about it ( been there, done that........ :ermm: ).

Alan T.

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thats very interesting, is there any more to that one sheet perhaps something like the front page with reference to the S30 / 240 / 260? Sorry to be a pain but that page could have been pulled out from anywhere if you pull it out of the car when pulled over.

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thankyou alan, i was hoping you would see this thread :D i was going to pm you this weekend! although i do follow you regarding insurance company lawyers. i actully forgot to pay my insurance so received a letter saying i was no longer covered and hadn't been for a couple of weeks, so called them up saying it was a mistake etc and they told me it was a hollow threat and if i did have a crash they would of covered me still, but i think they are pulling my leg!

now there's just the issue of the "rule" that heaps of people go on about refering to 2" larger in diameter as those sizes don't help me diameter wise, although i think this rule must just be an easy way to interperate one of the other laws we're ment to follow and since most new cars dont come with as high a profile tyre the largest wheel diameter change they can normally handle is 2", or mayb its something that is in the "tyre and rim standards manual" that is refered to. if the 2" law is serious i might look into watanabes at some stage :D

do the Sports Options Catalog's come up for sale often on ebay? i agree with toecutter that more than a sheet that could of been pulled out of a wheel catalog etc is probably needed.

thanks for the information once again alan, having something to show a possibly stupid cop is what i was after! and knowing it wasn't a wishful lie!

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sulio after searching around for a bit i've found complete pages that alan has scanned, although they aren't the highest resolutions!

http://www.classiczcars.com/forums/showthread.php?t=8402&page=2&highlight=Sports+Options+Catalog

it even has the flare pictures in there which should help with any arguement on them. i think we need to find outselves a copy!

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zedevan and toecutter,

PM me with your direct e-mail addresses and I'll ping off a full scan of the November 1971 'Sports Option' leaflet for the HS30 model to you both.

Might take me a few days to chuck a couple of shovelfulls of coal in the back of the scanner and get it up to steam, but I will eventually get around to it.

Alan T.

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