I agree with you. The high revs cause cavitation in any pump. Your
experienced reduces temperatures with the bigger pulley is due to the
elimination of cavitation inthe pump, therefore more flow.
----- Original Message -----
From <Daniel1312 at aol.com>
To: <KansaR@diebold.com>; <gjbranch@mediaone.net>
Cc: <spridgets@autox.team.net>
Sent: Sunday, September 30, 2001 8:20 AM
Subject: Lets get this straight - Re: "Oil Pressure" & "old" overheating
problem
> Its all very well saying what won't work but honestly how many people have
> actually tested a big pulley back to back at 3-4000 rpm? I bet very few
of
> you have. I rarely make a statement that isn't based on experience. I
> tested pulley sizes back to back and the big pulley showed a difference I
> could read on my temperature gauge.
>
> Also I would love to hear an explanation as to why BL cars went to the
> trouble of designing, tooling and manufacturing a big water pump pulley
for a
> road going production car that had an rpm limit of about 6,000 rpm?
Because
> lets not forget the big water pump pulley was developed for and fitted to
the
> BL MG Metro and some of the other A-series Metro engines and NOT for any
> racing application.
>
> Daniel1312
>
> In a message dated 28/09/01 06:31:27 Pacific Daylight Time,
> KansaR@diebold.com writes:
>
> << he big pully theory will only work for cars that are kept in high rev
> situations for extended amounts of time..as in racing..and we are talking
> 6-8+k rpm...not 5-... >>
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