[TR] TR2-3-4 Engine and Rad Taps

[Cliff Hansen]

Brian,

I replaced the tap with a standard ½-20 oil drain plug with nylon gasket. Its important that the plug have straight, not pipe, thread. No leaks. Easy to remove when I need to drain the block.

Cliff

Oil Drain Plug Standard 1/2-20, Head Size 7/8 In. NOE 7041918 | Buy Online - NAPA Auto Parts (napaonline.com)<https://www.napaonline.com/en/p/NDP7041918>


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From: Brian Thomas<mailto:thomasb at queensu.ca>
Sent: Sunday, May 2, 2021 10:15 AM
To: triumphs at autox.team.net<mailto:triumphs at autox.team.net>
Cc: Brad Smith (britspcars at gmail.com)<mailto: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).

[cid:image001.png at 01D73F4C.382FA570]

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<mailto:Brian.Thomas at QueensU.Ca>
92 Wyona Lane                          Phone:  613-385-1947
Wolfe Island,  Ontario                Toys:  54 TR2,  56 TR3,  67 TR4A,
Canada  K0H 2Y0                                   01 XKR,  75 John Deere 920


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