<VV> Corvair Tall Tales ~ Is 'straight weight' oil better ?

[Matt Nall]

As I remember, Corvairs required 'straight weight' oil, 30W or 40W, and
multi-grade was taboo?

Was it an 'urban legend' or was it true that, when 'generic' mechanics put
multi-grade oil in Corvairs, that the engine heat would break the oil down
and cause lack of lubrication and overheating ?

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Cheeze chaz!!  Haven't you ever read an owner's manual?  gg


Matt Nall
Charleston, Oregon
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