Michael,
I have the Mocal spin on adaptor fitted to my GT6, 2000 & 2500s, without
the slightest leak on any of them. I wonder if there has been a dodgy
production run?.
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> From: Michael D. Porter <mdporter@rt66.com>
> To: triumphs@autox.team.net
> Subject: Spin-on filter adapter
> Date: 07 September 1997 07:15
>
> I put a spin-on filter on the GT6 today (TR6 engine), and my experience
> with it confirms what others have recently said about fit. It doesn't.
>
> The outer flange is simply too deep. If the adapter were installed
> without the outer seal ring, the inner o-ring might contact the inner
> land. However, that would accomplish little, since even with sealant,
> the outer seal would leak under pressure. Further, a new outer seal ring
> is included with the adapter, so one would presume it is to be used.
>
> I had to put the adapter in the lathe and turn off almost 1/8" from the
> outer lip before the inner oil-ring contacted the inner land
> sufficiently for me to feel comfortable with it.
>
> The part is clearly improperly made. The one I bought has a maker's mark
> on it as "Flowtech" and "Made in UK."
>
> BTW, if one is contemplating fitting one of these items, a reasonably
> simple way to check if the inner o-ring is seating is to grease the
> o-ring fairly liberally (this also helps keep it in place while the
> adapter is being fitted), and if it is in contact with the land, grease
> will be squeezed away from the area of contact.
>
> The general advice is not to buy this item unless one has the machine
> tools necessary to modify the adapter, and as well, to let the supplier
> know that one is considering the purchase, but won't purchase unless
> guarantees are made that the unit fits properly. After all, it's about
> $50 through most suppliers--why should one pay $50 for something which
> can potentially ruin an engine if installed as is?
>
> Cheers.
>
> --
> My other Triumph runs, but....
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