[Healeys] Overdrive issues.

John Spaur jmsdarch at sbcglobal.net
Mon Sep 6 23:29:25 MDT 2021

I installed a lighter flywheel but lighting the flywheel is a double edged sword. The lighter the flywheel the faster engine revs will rise and fall but you will lose momentum on a hill more quickly. In other words, it is good for racing on flatland but not so good for pulling the car up a hill -- Read more at: https://www.torquecars.co.uk/tuning/flywheel-lightening - (c) TorqueCars


I saved my stock flywheel and may reinstall it if I ever pull out the transmission.





From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Harold Manifold via Healeys
Sent: Monday, September 6, 2021 7:34 PM
To: simon.lachlan at alexarevel.plus.com; Healeys <healeys at autox.team.net>
Subject: Re: [Healeys] Overdrive issues.


Have you thought of turning your Healey saga into a reality television program?


Now you have the flywheel out it would be a good time to considered lightening and balancing the flywheel. And you thought this was a simple OD fix!




From: Simon Lachlan via Healeys <mailto:healeys at autox.team.net> 
Sent: Monday, September 6, 2021 11:19 AM
To: Healeys <mailto:healeys at autox.team.net> 
Subject: [Healeys] Overdrive issues.


To, hopefully, bring you up to date and hopefully put this thing to bed……

I took the overdrive up to OD Spares and explained what was going on. They stripped it down and discovered:-

        The pump plunger wouldn’t go all the way up because the casing was “b*gg***d. At some stage it had been scored and then repaired with something like JB Weld.

Plastic Padding or Plastic Metal are our equivalents. I suspect OD Spares had done it when they rebuilt the servo back in +/- ’04. They seemed very knowledgeable about the stuff, saying it “takes 24 hours to go off”. Plastic Metal goes off as soon as you turn your back on it. Anyhow, they put in a brand new front casing and a new clutch. Tested, the OD ran at 500psi++.

While they were doing that, 08:30 to 12:30, I was able to go to AH Spares and get a clutch kit and various other bits. First time there. Bit surprised by the member of staff who said “We’re not mechanics. We just sell this stuff”. So, the clutch will be the next discussion…..



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