[Healeys] Oil Pumps

[Kees Oudesluijs]

Absolutely correct. There may be theoretically a tiny difference, 
immeasurable probably, caused by the efficiency of the various pumps.

Kees Oudesluijs

Op 1-1-2020 om 19:24 schreef Bob Spidell:
>
> I'm not a fluid dynamicist, but wouldn't, say, 45psi from either a 
> vane/rotor type pump put the same load on the cam gear and driveshaft 
> as 45psi from a gear-type pump, all other factors--oil viscosity, 
> etc.--being equal?  Or, is there some other factor(s) at play?  Do the 
> gear-type pumps produce lower pressure (seems to me that's the only 
> way they'd reduce the load on the gears and the cam thrust plate)?
>
> Bob