MGB Register Forum

I’m still a bit confused, the overdrive switch mounted on the dash works fine it’s just that the overdrive operates in gears 2,3 and 4. Not sure about first. As above mine is a D type. Does this mean the switch which inhibits o/d in reverse is bypassed? Is there an easy test without trying to revers...

Mine is a 1965 MGB with 4 speed gear box. 2-4 are synchromesh. The O/D definitely operates in 2-4, not sure about 1st. So if I left the switch on by mistake would I smash the O/D in R? The manual does not show an inhibit switch for gears other than 3rd and 4th.

Hi, I have a 1965 Mk1 MGB. The overdrive appears not to be a Laycock type, from what I understand it is a "D Type". The OD will operate in all four forward gears. My questios are; does this type of OD usually have a lock out switch for low gears? If inadvertently left in OD while reversing...