[Healeys] 100 piston rings- Moss

[Michael Salter]

I have gone through all my TSBs but couldn't find the 1 that I was looking
for.
As I recall there was one, I seem to remember that I was applicable to the
100/6 engine, that said to delete the bottom ring during rebuilds.

M

On Fri., Apr. 29, 2022, 9:22 a.m. S and T Miller via Healeys, <
healeys at autox.team.net> wrote:

> Hoping to validate my decision before buttoning things up on my 100
> engine. Ordered .020 over standard (not 100M) piston set from Moss. Piston
> is a 4 ring piston, but came with 5 rings. They were identified where each
> ring should be fitted #1-5, with #4 (3 piece oil control ring), and #5 (one
> piece oil control ring). Obviously not a groove for #5. Ring set was marked
> 100/100M, so I'm assuming they send the same set for both and you just
> leave off the #5 (one piece oil control ring) on the 100 pistons. This is
> what I decided to do. Now Moss's 4 ring set on the website shows the three
> upper rings and the #4 ring being the 3 piece oil control ring reinforcing
> the thought that the #5 (one piece ring) should be disregarded.
>
> Called Moss Tech support and after a week they got back to me and said
> that he didn't know the answer, and they would get back to me. That was
> another week ago and still no answer.  Also nothing is indicated in the
> piston directions.  Thought I would check to see if anyone on the list ran
> across this?
> TY, Shawn
>
> The Millers
>
> "Always drive them, but remember each drive in an antique car is a test
> drive."
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