Adrian Dix-Dyer wrote:
> Opinion on Mobil 1 in a TR6.
>
> Don't do it. Apart from the price (the packaging should wear a bandit mask)
> Mobil 1 was developed for modern engines using closer tolerances.
>
> The six pot Triumph engine was originally designed and introduced as a
> 1600/2000cc unit in the very early sixties (certainly designed in the late
> fifties) when we were hardly used to using multigrade oils ie 20/50.
>
> For what its worth I would not even use semi-synthetic oil in this engine
> either.
>
> I would stick to standard 20/50 and if you want a little extra protection
> perhaps a tin of STP or Wynns but that is another story not everyone likes
> additives.
>
> Adrian Dix-Dyer
> TR4A CT64306
> (Using Morris' Oils Servol 20/50 no additives £3.00 ($4.5) for 5 litres)
I just overhauled my TR6 engine last winter. I use 20W-50 semi-synthetic in it
and it works just fine, giving the advantages of easy starting, good oil
pressure when hot, and outstanding wear protection as evidenced by my race
engine teardowns.
--
TR6 -- 29 and still running
TR4 -- 39 and being rebuilt
uncle jack -- down but not out
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