Chris, I was told during a visit to the factory at Abingdon in the early 70s
that the purpose was to stop oil from creeping out through the cast iron by
sealing the casting porosity. I've seen some engines that were "boiled" really
well at some past rebuild, not repainted, and that would literally "ooze" oil
through the sides in the area where the crank threw the most oil! I always used
that armature paint in the shop since that visit, and would recommend that every
rebuild includes the paint.
best, Jarl
*********************
"Nowlan, Chris" wrote:
> Further to an earlier posting about paint on the inside of T-series
> cyl. blocks, They were painted on the inside with a red oxide paint to seal
> the pores and minimize sludge buildup. The same is true of T-type
> gearbox's.
> I use an aerosol product that I pick up from the local industrial
> supply store. I believe it's called electrical armature paint and works
> really well. I've pulled oil pans after many years and the oil simply runs
> off the painted surfaces. It's also the same dull red and is self priming.
> It seems to me that I've also seen it on the inside of MMM engines but would
> not swear to this.
>
> Regards,
>
> Chris Nowlan
> Product Development
> Moss Motors, Ltd.
> (805) 681-3400 x3212
> (805) 692-2510 - Fax
> nowlanc@mossmotors.com
>
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