Re: B or BN

Posted by Red Dave on September 16, 2004 at 05:11:10 from (24.104.94.34):

In Reply to: B or BN posted by JT on September 15, 2004 at 15:06:15:

The difference between a B and a BN is the length of the left and right side differential Shaft Housings. As gene b said below, a B differential shaft housing is 22" & a BN is 18".
Early BN's had the FAB serial number prefix, later ones have FABN.
Both side differential shaft housings were the same length from the factory. Anything could have been changed and/or substituted over the years however.

Easy way to tell the difference between the two is to look at the seat mounting. If there is about 4" between the right-hand seat bracket and the right side fender, it's a B. If the seat mount is against the fender, it's a BN.

Follow the link to a picture of my B seat mounting. Look at the way it mounts to the top of the differential shaft housing. If yours is not like this, you may have a BN.

• Differential housing measurment

Follow Ups:

• Re: B or BN JT 16:35:39 09/16/04 (4)
  • Re: B or BN Red Dave 06:28:14 09/17/04 (3)
    • Re: B or BN JT 07:52:20 09/17/04 (2)
      • Re: B or BN Red Dave 08:29:27 09/17/04 (1)
        • Re: B or BN JT 08:56:19 09/17/04 (0)
• Re: B or BN JT 08:26:44 09/16/04 (0)

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