[Healeys] Diff Numbers

BJ8Healeys sbyers at ec.rr.com
Wed May 22 04:33:25 MDT 2019

Having seen a similar number on a BN1 rear axle recently, I would say it is the serial number of the rear axle.  The stamping is a bit messed up, but it appears the axle housing was manufactured before the BN2s came out, and so was intended for a BN1 (I read it as BN1 4638).  BJ8 rear axles (some of them) have a serial number on the axle housing that looks much like your photo, except the serial number is not preceded by "BJ8".  The number to the right (10/41) is the rear axle gear ratio:  10 pinion teeth to 41 crown wheel teeth gives ratio (usually taken as 41/10) of 4.10


Steve Byers


BJ8 Registry

AHCA Delegate at Large

Havelock, NC  

TARHEELY license plate


From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Michael MacLean
Sent: Wednesday, May 22, 2019 2:43 AM
To: Healeys
Subject: [Healeys] Diff Numbers


Can anyone decipher these numbers on my BN2 rear axle?

Mike MacLean

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