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Re: [Healeys] Overdrive and RPM

To: Michael Salter <michaelsalter@gmail.com>
Subject: Re: [Healeys] Overdrive and RPM
From: john spaur <jmsdarch@sbcglobal.net> mail.com>
Date: Mon, 19 Aug 2013 16:13:44 -0700
Cc: "healeys@autox.team.net" <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <6.2.3.4.2.20130817193351.020719c8@pop.att.yahoo.com> <CAB3i7LKhh0D8z77tU2ztqvi19EG9LHw8x-CRA7QxsT6XQgh6BQ@mail.gmail.com>
At 3100 RPM when I flip the OD switch it does not seem like the OD 
engages until after I back off on the accelerator. It seems like I 
need to accelerate and decelerate to get it to engage. Once I know it 
is engaged it seems to stay engaged until I turn it off and then 
punch the accelerator. Then I can feel it disengage. The difference 
in RPM's is not a lot because I have a 3.54 diff.

John Spaur

At 01:40 PM 8/19/2013 -0400, Michael Salter wrote:
>Hi John,
>For good diagnosis we need one more piece of information..
>When the overdrive is engaged and you are doing 3100 RPM is the 
>speed of the car higher than when the overdrive is not engaged at 3100 RPM.
>I suspect not and that the overdrive is not actually "engaging" 
>until you lift off the throttle.
>If that is the case then the cause can be as simple as maladjustment 
>of the overdrive operating valve or as complex as low oil pressure 
>in the overdrive or even worn cone clutch linings.
>
>Michael S
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