That's an interesting thing. I just use motor oil, since that's what the
Haynes manual recommends. My question is, should the oil disappear like
it does, or does that indicate a leak somewhere?
Jim Ruwaldt
'72 TR6 (being restored, but will be drivable when the transmission's
back in)
On Thu, 20 Mar 1997, Shane F. Ingate wrote:
> All,
>
> Marvel Mystery Oil (MMO) has been suggested several times
> on this list for use in Stromberg dashpots. I've always wondered
> why we should use MMO instead of the relatively heavier engine oil.
>
> I've been debugging my 175's (74 TR6) over the past few months,
> and the only outstanding problem is worn throttle shafts (Ken Streeter
> gave me the hint to spray carb cleaner on the shafts and lo, the revs
> rose by 200!)
>
> I spoke with a talented local carb rebuilder here in San Diego,
> Rick Walker, about rebushing the carbs. It isnt easy. As an interim
> measure, he suggested MMO. Why? His reason was that the wear on the
> throttle shafts allow a flutter (in the butterfly - no pun intended),
> and that going to MMO would allow the dampener to react more quickly to
> compensate for the flutter than if I stuck with the heavier engine oil.
> Not a 100% solution, but he said I should notice an improvement (my
> biggest problem is popping on a trailing throttle).
>
> I'll let you know how it goes....
>
> Shane Ingate in San Diego
>
>
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