[Healeys] Overdrive accumulator piston with rings

[Michael Salter]

Years ago I made an accumulator piston to use an O ring.
The result was an abject failure as tiny chunks of the O ring were sliced
off each time it passed over the pressure relief drillings in the housing.
Any clue as to how that has been overcome?

M

On Thu., Jun. 22, 2023, 9:41 a.m. 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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