I just completed a 4 speed sideshift conversion to a BN1. You are correct, the
transmission mounts has to be cut out and replaced with the later style. The
mechanical clutch can be retained with a BN2 bellhousing, otherwise you will
have to convert to a hydraulic clutch.
I was able to modify the aluminium gearboxes cover to fit ( the shift lever
hole is in a different position) and the BN1 carpet can be used with
modification around the old shift position. Basically you cover the hole from
the 3 speed.
Laurie Wilford
Sent from my Galaxy Tab? A
-------- Original message --------
From: James Richmond <jkrich at gvtc.com>
Date: 2017-07-30 8:18 PM (GMT-05:00)
To: healeys at autox.team.net, gmcharris at hotmail.com
Subject: [Healeys] Four speed gear box for a BN1
George,
I don?t believe a 4 speed from a later model Healey will fit a BN 1 without
relocating the mounting points and changing the gear box covers. The carpets
will need to be modified.
Jim
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