[TR] [EXTERNAL] FW: TR2-3-4 Engine and Rad Taps

[David Friedlander]

How can one tell when the two parts are correctly and sufficiently lapped?
Do we need to reassemble the parts, re-mount it to the block each time?



On Mon, May 3, 2021 at 2:22 PM Reihing, Randall S. <
Randall.Reihing at utoledo.edu> wrote:

> Stan has the solution but in place of toothpaste the Clover Lapping
> Compound might be faster. Try 800 grit and finer.
>
> Randall Reihing
> 1959 TR3A
> ------------------------------
> *From:* Triumphs <triumphs-bounces at autox.team.net> on behalf of Stan
> Foster <stan at redtr6.com>
> *Sent:* Sunday, May 2, 2021 10:50 PM
> *To:* Triumphs <triumphs at autox.team.net>
> *Subject:* [EXTERNAL] [TR] FW: TR2-3-4 Engine and Rad Taps
>
>
> The new engine drain tap leaked when I rebuilt my TR3 engine. I took the
> tap apart and lapped the tapers together with toothpaste until all surfaces
> looked even. It did not take long. No leaks in 6 years and the engine still
> has that minty fresh smell.
>
>
>
> Stan
>
>
>
> *From:* Triumphs <triumphs-bounces at autox.team.net> * On Behalf Of *Brian
> Thomas
> *Sent:* Sunday, May 2, 2021 12:11 PM
> *To:* triumphs at autox.team.net
> *Cc:* Brad Smith (britspcars at gmail.com) <britspcars at gmail.com>
> *Subject:* [TR] TR2-3-4 Engine and Rad Taps
>
>
>
> Hi,
>
>
>
> I’m having great difficulty getting either of the drain taps in the TR2 to
> stop leaking.  I’ve tried various used taps from my 45+ year “collection”
> without any success.  The taps leak mostly out the drain hole but some also
> where screwed into the block/rad.
>
>
>
> I recently ordered a pair of new replacements from Rimmer with high hopes
> but after install, both leak from the side opposite the lever – see pic.
> This is with antifreeze in, rad cap off and no pressurization.  I’ve asked
> Rimmer for comment, but they are closed until Tuesday (bank holiday Monday).
>
>
>
>
>
> The pic is shows the engine install with the spring portion “up” – that’s
> what it tightened to.
>
>
>
> Has anyone had success with current offerings from the various vendors?  I
> see Moss also offers them – others?  TRF doesn’t currently have them.
>
>
>
> I’m about to give up and try the Don Elliot solution sealing the taps
> where they thread into the block/rad.
>
>
>
> Appreciate any suggestions.
>
>
>
> Stay well and cheers,
>
>
>
> Brian
>
> _____________________________________________________
>
> Brian Thomas                            E-Mail:  Brian.Thomas at QueensU.Ca
>
> 92 Wyona Lane
> <https://www.google.com/maps/search/92+Wyona+Lane?entry=gmail&source=g>
> Phone:  613-385-1947
>
> Wolfe Island,  Ontario                Toys:  54 TR2,  56 TR3,  67 TR4A,
>
> Canada  K0H 2Y0                                   01 XKR,  75 John Deere
> 920
>
>
> ** triumphs at autox.team.net **
>
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