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 Post subject: Diff / axle info needed.
PostPosted: Mon Jul 08, 2013 5:12 pm 
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Joined: Mon Jul 30, 2012 4:36 pm
Posts: 336
Location: Coarsegold California (around fresno)
I have a 1976 corolla with a 2 pinion, 6.38" diff. 4:10 ratio (stock). I want to know if a 1981 4 pinion, 6.38" diff with a 3:583 ratio will fit.
Are the axle shaft splines the same?

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See my 76 Corolla build: http://japanesenostalgiccar.com/forum/viewtopic.php?f=9&t=19630


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 Post subject: Re: Diff / axle info needed.
PostPosted: Mon Jul 08, 2013 9:19 pm 
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Joined: Fri Aug 03, 2012 6:48 am
Posts: 103
Location: Montreal, Canada
All 8 bolt S type 6.38 use the same axle spline number and dia. It'll bolt on like stock no problem... only question I have is why? Why go from a nice 4.1 to a sloppy 3.58?

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1977 Toyota Corolla TE31 (traded)
1974 Toyota Corolla KE20 (Project)
2003 Toyota Celica ZZT230 (Daily)


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 Post subject: Re: Diff / axle info needed.
PostPosted: Tue Jul 09, 2013 11:46 am 
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Joined: Mon Jul 30, 2012 4:36 pm
Posts: 336
Location: Coarsegold California (around fresno)
Currently I have a A40 auto in the place that my t50 will eventually fit. Freeway speeds on 185/60r14's revs a bit high for my liking. After I get the 5 speed in ill probably go back to the low ratio or something in between. Thanks for the info.

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See my 76 Corolla build: http://japanesenostalgiccar.com/forum/viewtopic.php?f=9&t=19630


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 Post subject: Re: Diff / axle info needed.
PostPosted: Tue Jul 09, 2013 9:31 pm 

Joined: Sun Jan 11, 2009 2:45 am
Posts: 71
Location: Mauka
Pumpkin will fit but driveshaft flange may differ. Bolt up kitty corner with only two bolts (I have seen people race with slicks with only two bolts) or you can drill the other two holes. I drill my pumpkin flange with the driveshaft on and never had any problems. You might be lucky and it will match, I forget the year that it changed over.


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