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3.7 or 3.9 difference
https://www.auszookers.com/forum/viewtopic.php?f=5&t=3618
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Author:  shep [ Mon Dec 22, 2008 6:26 pm ]
Post subject:  3.7 or 3.9 difference

how can i tell the difference between a 3.7 and a 3.9 pinion gear. i have two diff centers in bits in a box, one a 3.7 and the other a 3.9
i have counted the teeth and they both have 11 teeth but i am unsure which one is for the 3.9 ring gear.

Author:  joeblow [ Mon Dec 22, 2008 11:43 pm ]
Post subject:  Re: 3.7 or 3.9 difference

look for engraved markings on both. ring and pinions should have a matching number...for example b340....etc.

Author:  shep [ Tue Dec 23, 2008 1:03 am ]
Post subject:  Re: 3.7 or 3.9 difference

thanks mate

Author:  shep [ Tue Dec 23, 2008 2:45 am ]
Post subject:  Re: 3.7 or 3.9 difference

just realised that it would have been easier to look at the flange, cos one is a wt and the other is a nt. :roll:

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