[Healeys] Fwd: Overdrive accumulator piston with rings

[Roger Grace]

---------- Forwarded message ---------
From: Roger Grace <roggrace at telus.net>
Date: Thu, Jun 22, 2023 at 8:01 AM
Subject: Re: [Healeys] Overdrive accumulator piston with rings
To: Bob Spidell <bspidell at comcast.net>


Yes - IMO the O ring version one is much more durable. BTW it is slightly
larger diameter too so you have to replace the accumulator and piston as a
set. Every older OD that I have seen has scored accumulator and pistons ...
Also good idea to replace the main pressure spring as well if you are deep
into it. This will probably up the pressure too.
I get all my OD bits from OD Spares in Rugby UK = knowledgeable and helpful.
rg

On Thu, Jun 22, 2023 at 6:57 AM Bob Spidell <bspidell at comcast.net> wrote:

> I have the DWM 'uprated' accumulator set; the housing has an O-ring and
> the piston has four equally-sized metal rings. Don't recall any others, but
> don't think it was any different than the OEM one I took out.
>
> Too late now, but had I known of it I might have bought the AH Spares
> version with O-ring(s?) on the piston instead of metal rings. The metal
> rings will score the accumulator bore eventually.
>
>
>
> On 6/21/2023 7:35 PM, John Spaur via Healeys wrote:
>
> I am replacing the accumulator housing, piston and rings. When I opened
> the piston box, there was only one wide ring with two narrow rings.
> Shouldn’t there be two wide rings and four narrow to make up two ring sets
> for the piston?
>
>
>
> John Spaur
>
> ’62 BT7
>
>
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