Driveshaft size help


terribleoness

terribleoness

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Joined
Feb 4, 2016
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Hi there, new here.

I'm currently preparing to swap a B16A2 into my EJ9, along with swapping the brakes out for a 282/262 setup.

I've got the majority of the bits I need already, but uprights/front hubs are my next port of call. The issue I've ran into is that I'm relatively sure EK9/98 spec DC2 front uprights have a 32mm spline bore. I've just measured the driveshafts I got with the A2 engine and I'm getting 28mm spline O.D. Obviously I know the driveshaft spline O.D is going to measure different to the spline bore I.D, but that still doesn't really help me work out my problem.

Is there any front upright that'll take a 282mm disc, and also work with the driveshafts I've got? Or will EK9/98 spec DC2 ones work?

If I'm being a fool here, please let me know!
 
Hubs from an Ek4 will take a 282 disc unless you wanted to be 5 stud? Although saying that, I'm sure it's just the 98 spec Jdm integras that had the thicker splines, I used regular Ek4 driveshafts on my Ek9 with no issues.
 
Yeah sorry should've said, I'd ideally like to get a pair of 5 stud front hubs as I've already got a pair of 5 stud RTA's.

But that's interesting, because the stuff I've found listed for sale suggests both UKDM 98 spec Integra's and EK9's are 32mm? And what I've got is 4mm smaller than that, meaning they won't fit properly.
 
I've just had a more thorough search through the internet and haven't found anything about any Honda driveshaft's being 28mm spline diameter, so I assume I'm being an idiot.

Can anyone tell me where that 32mm measurement on EK9 hubs comes from?
 
I've just had to have another search myself to jog my memory but it's only the 98 spec integra that have a larger size hub spline, the ek9s came with the same size hub splines as all other B series cars.
 
As above is my understanding, only JDM 98spec dc2 have the larger spline on the hub side.
 
As above the JDM 98 spec is the odd one in the family. If you get UK DC2 teg or ek9 hubs then the usual b series shafts will fit. I needed a drive flange for my 9 and got one from a ukdm teg no issues at all.
 
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