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Gtir Motorsport club » General Discusion » Gtir related Discussion » Whats the spline size on the gtir ?

Whats the spline size on the gtir ?

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1 Whats the spline size on the gtir ? on 12th November 2014, 10:21 pm

mikewazowski

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Hi guys im going to be putting spacers on my R and i'll be putting longer wheel studs. Just wondering if anyone knows what is the spline size on the R? thanks!

2 Re: Whats the spline size on the gtir ? on 12th November 2014, 10:57 pm

Gostek

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Events Organiser
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Thread size is M12x1.50


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3 Re: Whats the spline size on the gtir ? on 12th November 2014, 11:03 pm

johnny gtir

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moderator
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I think he means spline not thread size. Spline is the oppersit end

4 Re: Whats the spline size on the gtir ? on 12th November 2014, 11:07 pm

gtir_woody

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Diameter of spline is 14.3mm I'm pretty sure

5 Re: Whats the spline size on the gtir ? on 12th November 2014, 11:43 pm

mikewazowski

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thread is 12x1.25, spline is the part that sits in the hub itself and secures the wheel stud

in place.

6 Re: Whats the spline size on the gtir ? on 12th November 2014, 11:46 pm

Gostek

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Oh my bad duh How thick spacers are you planning??


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7 Re: Whats the spline size on the gtir ? on 12th November 2014, 11:49 pm

mikewazowski

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I currently have a set of four 20mm ready to be fitted but i might go 30mm on the back and 15mm at the front. The 20mm all round will only be a temp thing Smile

8 Re: Whats the spline size on the gtir ? on 13th November 2014, 12:40 am

gtirnick


a lot of ppl in north america use the arp wrx studs

i bought a set of these from these guys
http://www.sr20-forum.com/tdmimports-kuo-s-garage/63013-tdmimports-extend-wheel-studs.html

9 Re: Whats the spline size on the gtir ? on 13th November 2014, 5:14 pm

Bones

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the two star club
the two star club
Doesn't this kill wheel bearings?

10 Re: Whats the spline size on the gtir ? on 13th November 2014, 5:39 pm

Gostek

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I've got friend who got porsche wheels on new beatle (don't ask why lol) and bearings are ok although her spacers bolt on to hub and wheel bolts to spacer to me that would be more solid fitment than extended studs I wold be worried that stud would snap


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11 Re: Whats the spline size on the gtir ? on 13th November 2014, 5:41 pm

Gostek

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http://www.ebay.com/itm/4-WHEEL-SPACERS-ADAPTERS-4x100-to-4x114-3-1-THICK-4-LUG-4x100-to-4x4-5-/271217862403

that sort of spacers I'm on about

12 Re: Whats the spline size on the gtir ? on 13th November 2014, 9:11 pm

mikewazowski

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ive got a set like that which bolts on to the hub first but id rather have extended studs then one bolting into another.

technically speaking there shouldnt be much weight on the studs because you have to use spigot rings for the weight to be supported by the hub not the studs. If i was just to put spacers on without putting any spigot rings then they could possibly snap. I guess theres only one way to check Very Happy

13 Re: Whats the spline size on the gtir ? on 4th December 2014, 12:24 am

Juggs


Don't know how much, if any use this is but I recently brought a set of Greyston extended wheel studs, M12x1.25 with the 14.3 spline which they list for nissan & they 100% do not fit, the spline pitch is different to the stock ones so they won't seat in the hub correctly

14 Re: Whats the spline size on the gtir ? on 4th December 2014, 12:17 pm

Mr B

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gtir technician
gtir technician
Spline is 14.3 on nissan.
Buy very high quality only & for nissan subaru fitment & chance of issues is minimal.

15 Re: Whats the spline size on the gtir ? on 5th December 2014, 2:36 pm

mikewazowski

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I was thinking of going to m12x1.5 because i already have a set of really good wheel nuts in that size. 100% positive that its 14.3mm? Im about to order a full set and theres no returns haha Very Happy

16 Re: Whats the spline size on the gtir ? on 5th December 2014, 3:01 pm

Mr B

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gtir technician
gtir technician
I used 14.3 myself with no issue.
It was short collar spline & flat shoulder as in image below.
Was subaru or nissan fitment, pressed in hub perfect.

17 Re: Whats the spline size on the gtir ? on 5th December 2014, 3:02 pm

mikewazowski

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where did you get yours from? are they good quality?

18 Re: Whats the spline size on the gtir ? on 5th December 2014, 3:15 pm

Mr B

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gtir technician
gtir technician
I got mine from Ratchada pitstop&race which a tuning & accessory parts store. used same studs on Subaru too & had no issues to date.
Mine had NEO packaging for brand.
Looked identical to Grayston style stud.
Grayston are uk based & a big supplier of specialist studs & I believe their stuff gets rebranded under quite a few labels.
Few motorsport shops use grayston so probably decent choice.

19 Re: Whats the spline size on the gtir ? on 5th December 2014, 3:16 pm

Mr B

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gtir technician
gtir technician
throw a link up of what you considering ...

20 Re: Whats the spline size on the gtir ? on 25th March 2017, 10:21 am

burrows1980

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I bought these this week for 20mm rear spacers I'm fitting:

https://www.ebay.co.uk/itm/371021933053

But having a nightmare fitting them, there's more splines than standard studs. Ive tightened a nut up against a socket to pull the stud though but can't get the last 3mm through into hub.

I've machined a bit of the spline off as these ones are a few mm longer than standard ones, if I could get it all the way in I didn't want it fouling the disc, pushing it out etc



As you can see it's mauling the splines trying to get it in  Mad

Gaz

21 Re: Whats the spline size on the gtir ? on 25th March 2017, 10:45 am

gtir_woody

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moderator
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That's no good, certainly seems some is off with them. Out of curiosity what were you using to tighten them up rattle gun or ratchet?

22 Re: Whats the spline size on the gtir ? on 25th March 2017, 12:01 pm

burrows1980

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Long extension bar mate, machining the splines to same as stock ones I managed to get them in



Lowered car down moved it back and forwards to settle tyres, noticed wheel seems to kick out at top slightly, guessing moving wheel out 20mm I need to adjust the camber, boo. Whole car needs 4 wheel alignment anyway.

23 Re: Whats the spline size on the gtir ? on 25th March 2017, 12:26 pm

gtir_woody

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moderator
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That's good you got them to fit mate, just abit of mucking around.

24 Re: Whats the spline size on the gtir ? on 25th March 2017, 12:43 pm

Mr B

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gtir technician
gtir technician
Lucky you got lathe, was it mainly spline length or also spline diameter a bit tight !
What was actual spline diameter before tweaking .
ones I used fitted as easy as oem, only real visual difference on mine was splines had a tiny machined taper at back so act as gap catch any fitting debris, does seem like some differ in dimensions or it a tolerance issue ! as recall few people having stud fitment issues over the years.

25 Re: Whats the spline size on the gtir ? on 25th March 2017, 8:58 pm

johnny gtir

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moderator
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Mine were tight but went long socket and long nut so it did not strip it or stud and few hits from behind

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