I also own a '31 Ford Model A, and this oil vs. grease
issue applies to the steering gear box (a
worm-and-sector type). It is supposed to be filled
with extra-thick oil, but over the years people would
put grease in it instead (probably because the oil
kept leaking out), and this is said to be very bad for
it, since the grease would get wiped off the worm and
would not flow back.
Possibly something similar could happen to the Spit
trunnions.
Doug
--- "Clark W. Nicholls" <clarkfot@cwnicholls.net>
wrote:
> I've used grease in my trunnions for over 30 years,
> never had a problem.
> I use synthetic now.
> Of course I'm lucky to drive 1000 miles a year in
> recent years...
> Clark
> 74 Spitfire
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