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MG parts spares and accessories are available for MG T Series (TA, MG TB, MG TC, MG TD, MG TF), Magnette, MGA, Twin cam, MGB, MGBGT, MGC, MGC GT, MG Midget, Sprite and other MG models from British car spares company LBCarCo.

MG TD TF 1500 - Silicone Sealants - Permatex

Tom L recommends Permatex Ultra Copper RTV Hi-Temp silicone for his Roadster valve cover and tappet chest gaskets so that's what I'll use. The first place I went didn't have it so I got P-text Hi-Temp Red RTV silicone and P-text Form-A-Gasket. I suspect this topic has been fully hashed out in other threads but are there any places I should use Red or Form-A-GSket in preference to Ultra Copper?

Also, is using a smear of the Ultra Copper to hold the copper washer in place on the oil drain plug during reinsertion a good idea?

Thanks. Jud
J K Chapin

Jud, Thread sealant on the plug threads makes the copper washer function moot. Regards, Tom
tm peterson

Thanks. I'll go back and get a tube of the thread sealant. Jud
J K Chapin

Jud, I have never used a sealant on the oil drain plug. BTW, the correct washer is not solid copper. Bud
Bud Krueger

Bud, give me a hint :-). Is it crush washer? A copper steel composite? Fiber? Something exotic? I've got 50 cents invested in the flat copper washer but I can raid the cookie jar if necessary to get the correct washer. Jud
J K Chapin

Mine is just a fiber washer and it doesn't leak. PJ
Paul S Jennings

The OEM is a crush washer. Nothing exotic. Bud
Bud Krueger

Thanks Bud. It will be interesting to see what Moss (LBC) sends as 324-800. Jud
J K Chapin

This thread was discussed between 26/09/2014 and 27/09/2014

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