engine oil

modelman · Post by **modelman** » Sun Sep 06, 2015 2:09 pm

All I can find about the engine oil is 'SAE 30', is this still available?

I have a gallon of Castrol 30-40 semi-synth, can I use this, or will it screw up the clutch?

Or what's the modern equivalent.

R100 · Post by **R100** » Sun Sep 06, 2015 2:30 pm

Straight non-detergent SAE 30 is available. Probably better than it was in the 60's.

roadrunner · Post by **roadrunner** » Sun Sep 06, 2015 8:18 pm

modelman wrote:All I can find about the engine oil is 'SAE 30', is this still available?

I have a gallon of Castrol 30-40 semi-synth, can I use this, or will it screw up the clutch?

Or what's the modern equivalent.

roadrunner · Post by **roadrunner** » Sun Sep 06, 2015 9:45 pm

I read on the internet that 10/40 is being used.i haven't tried it yet but i'm going to try it.

modelman · Post by **modelman** » Mon Sep 07, 2015 6:09 am

Thanks, just found & bought '20-40 for classic engines' & filled her up, no leaks.............yet!!

roadrunner · Post by **roadrunner** » Mon Sep 07, 2015 8:42 am

where did you find 20/40 i could realy use that,the summers here in Bullhead city Az. get in the 120's.

modelman · Post by **modelman** » Mon Sep 07, 2015 12:21 pm

I made a mistake, its actually 20-50, but I think it will be OK.

this is the stuff, I don't think its anything special.

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