[Healeys] OD in 2nd gear

[Len and/or Marge Hartnett]

I got tired of the large gap between 2nd and 3rd gear years ago.  My 
solution was to add one switch to the gearbox cover opposite the overdrive 
switch.  I bypassed the OD switch which allowed engagement of 1st, 2nd, and 
incidentally, reverse.  Being that engaging reverse could be a disastrous 
no-no, I installed the other switch, a normally closed switch, to bypass my 
bypass.  Since the shifting mechanism offers the same type of contact 
surface on that side as is located on the OD switch side, it could be 
adjusted to prevent the overdrive from engaging when shifted into reverse.

See attached photos (taken in 2007)

(The Other) Len
Fairfield, CA, USA
1967 AH 3000 MkIII, HBJ8L39031.
       still 221,444 darn it


----- Original Message ----- 
From: "Bob Spidell" <bspidell at comcast.net>
To: <healeys at autox.team.net>
Sent: Monday, January 25, 2021 12:16 PM
Subject: Re: [Healeys] OD in 2nd gear


> Nice engineering! 2nd/OD would be great; I'm always over-revving in 2nd 
> trying to get 'off the line' (note I have a 3.54 rear end).
>
> On 1/24/2021 5:36 PM, Roger Grace wrote:
>> For interest, see enclosed my Winter project to install interlocks using 
>> proximity sensors to enable OD on 2nd.gear. Now road tested and works OK.
>> See some notes about the project and also photos embedded in the dox.
>> rg
>>
>
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