[TR] 4 vs 6 vane water pump impellor

[Pete Arakelian <arakelianp@mossmotors.com>]

>From my old VW days, when there were a number of oil pump options including
high pressure and high volume.
As I remember the high pressure had more vanes, the high volume had longer
vanes.
And, I believe, Melling, the choice for VW oil pumps, no longer supplies the
high pressure, only the high volume.

Peter Arakelian - 1971 TR6

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