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Title: What's the Diff. Post by: griffo on November 10, 2004, 04:07:05 AM Could someone tell me how to identify the Diff size & the rear running gear set up?
I'm not as smart as your average Bear. Griffo. Title: Re: What's the Diff. Post by: RET on November 10, 2004, 09:48:59 PM Presuming it's an early Holden style diff, the ratio is engraved on the edge of the crown wheel, as well as a part number. If you cannot find a number, it's a 3.89 diff. Why? Until Holden introduced a different ratio diff in '62 there was no need to put any identifying marks on them, they were all the same :)
cheers RET Title: Re: What's the Diff. Post by: fccool59 on November 11, 2004, 10:50:12 AM from a quick glance under the car you can identify a high from a low ratio by the length of the bottom bolts too. The 2.78 and 3.08 have two longer bolts than the 3.36, 3.55 and 3.89.
Title: Re: What's the Diff. Post by: griffo on November 11, 2004, 11:05:52 PM Ret,
Thanks for the reply, I had a look at the diff and it has M I 3 9 stamped on it, on the top between bolts . Can you tell what diff it is ? I also measured over the brake drums approx. 1435 mm. griffo. |