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Changing diff ratio on open centre na6 diff
Posted: Fri Sep 16, 2011 6:22 pm
by cobby
Before everyone torches me for thinking about messing with an OC diff, my crown wheel just shat a tooth and I'm wanting the cheapest way out because I'm still in debt with mum and dad.
I had in mind to change up to 4.6s but I'm doing research first, obviously. The things I want to know are:
Has this ever been done before?
What's the current p&a on parts for a 4.6 conversion?
What's involved parts wise?
Hope someone can help out here, and this isn't a necessary upgrade because I can just get another open diff from a wrecker or something. Just thought now would be the best time to do it.
Cheers,
Nick.
Re: Changing diff ratio on open centre na6 diff
Posted: Sat Sep 17, 2011 12:02 am
by sailaholic
AS you said, Cheapest way out is another stock open diff .....
There its 4.6 diffs on ebay buy I assume they are for the 1.8 diff.
Sent from my GT-I9100 using Tapatalk
Re: Changing diff ratio on open centre na6 diff
Posted: Sat Sep 17, 2011 12:39 am
by cobby
Thanks for that dude. It doesn't actually worry me keeping the open centre diff for the time being, just thought it would be a good time to upgrade if I could.
I've just been scratching around the forums over the last hour or so, finding a little bit of info regarding Kia sportage diffs. Any chance I could use the crown wheel and pinion off one of those? If so, which diff would I be chasing them for? and off what year model?
Thanks guys.
Re: Changing diff ratio on open centre na6 diff
Posted: Sat Sep 17, 2011 2:26 am
by Steampunk
Is this for a road-going car?
If so, you need the appropriate speedo-sender on the gearbox or else your gauge will be out.
Changing diff ratio on open centre na6 diff
Posted: Sat Sep 17, 2011 7:36 am
by cobby
Yea it is but i've got a gps so I'm not worried bout the speedo.
Re: Changing diff ratio on open centre na6 diff
Posted: Sat Sep 17, 2011 11:10 am
by 93_Clubman
cobby wrote:I've just been scratching around the forums over the last hour or so, finding a little bit of info regarding Kia sportage diffs. Any chance I could use the crown wheel and pinion off one of those? If so, which diff would I be chasing them for? and off what year model?
This should tell you:
http://www.solomiata.com/Drivetrain.htmlhttp://www.solomiata.com/RingandPinion.html
Re: Changing diff ratio on open centre na6 diff
Posted: Sat Sep 17, 2011 3:02 pm
by cobby
Yeah I was on that last night. As far as I can see, the only other crown wheel that's gonna fit the stock diff is a 4.875:1. Trouble is finding it haha. oh well, I've gotta get money first so I've got a bit of a hunt ahead.
Re: Changing diff ratio on open centre na6 diff
Posted: Sat Sep 17, 2011 4:45 pm
by 7Hazi
Re: Changing diff ratio on open centre na6 diff
Posted: Sat Sep 17, 2011 5:48 pm
by cobby
That's definitely helped me realise that I'm not going to be upgrading any time soon, haha. Stock ratios this time around.
Thanks for your help.