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DOT 5 200 1987

posted by  Volvodad on  Mon Jul 26 11:22 CST 2004
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last visit: Thu Oct 23 16:18 CST 2014
[RELATED]

Looking at replies so far I see no mention of seal compatibility issues with the silicon DOT-5 fluid. But on the MGB board a while ago there was a big debate which ended with a post of a quote from AP Lockheed engineers advising strongly against changing over to DOT-5 due to seal swelling potential. I recall they stated that if you insisted on using DOT-5, a complete change of all rubber seals in the braking system was required.

Maybe it's a British thing? The natural rubber they used in the seals, or...?

Anyone know for sure if DOT-5 is totally compatible with the 240 braking system?

Certainly both clbolt and skip make very good points, and as for the Castrol LMA (DOT-4) mentioned by Cody, the "LMA" supposedly is an acronym for "Low Moisture Affinity" or something like that.
--
Bob (son's 81-244GL B21F, dtr's 83-244DL B23F, 'my' 94-944 B230FD; plus grocery-getter Dodge minivan, hobbycar MGB, and numerous old motorcycles)






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