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Search took 0.01 seconds. Search: Posts Made By: JFP in PA

Forum: Performance and Technical Chat

06-27-2010, 01:47 PM

Replies: 60

Underdrive pulley recommendations?

Views: 8,373

Posted By JFP in PA

While it may seem counter intuitive, slowing down...

While it may seem counter intuitive, slowing down the water pump can actually produce lower coolant temperatures (within limits). In any cooling system, there is an “ideal” coolant flow rate, at...

Forum: Performance and Technical Chat

12-06-2009, 07:05 AM

Replies: 60

Underdrive pulley recommendations?

Views: 8,373

Posted By JFP in PA

The only problem is that a better system would...

The only problem is that a better system would cost the OEM five cents more than the one they gave you....................and there is no "sex appeal" in cooling systems.

Forum: Performance and Technical Chat

12-05-2009, 01:09 PM

Replies: 60

Underdrive pulley recommendations?

Views: 8,373

Posted By JFP in PA

Not quite: If an electrically driven, constant...

Not quite: If an electrically driven, constant speed water pump was available, which it currently not the case, the M96 in your street-driven Boxster would run cooler, as would the oil; would make...

Forum: Performance and Technical Chat

12-05-2009, 11:31 AM

Replies: 60

Underdrive pulley recommendations?

Views: 8,373

Posted By JFP in PA

That is quite obvious. 1. You still have...

That is quite obvious.

1. You still have mechanical drag, just at the alternator instead of the WP, plus inefficiencies of conversion.

Many electric pump applications (racing apps) do not use...

Forum: Performance and Technical Chat

12-05-2009, 08:38 AM

Replies: 60

Underdrive pulley recommendations?

Views: 8,373

Posted By JFP in PA

There are significant advantages to an...

There are significant advantages to an electrically driven water pump:

1. Reduced mechanical drag on the engine (frees up HP); the higher the engine revs, the more power is saved (drag goes up...

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