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Re: Marvel Mystery Oil in Z-S dashpots

To: "Shane F. Ingate" <ingate@shiseis.com>
Subject: Re: Marvel Mystery Oil in Z-S dashpots
From: James Charles Ruwaldt <jruwaldt@indiana.edu>
Date: Fri, 21 Mar 1997 09:20:31 -0500 (EST)
Cc: triumphs@Autox.Team.Net
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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