electric water pump - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 6 (permalink) Old 02-28-2008, 08:24 PM Thread Starter
 
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electric water pump

who sells an electric water pump for the 12v?
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post #2 of 6 (permalink) Old 02-29-2008, 04:45 AM
 
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post #3 of 6 (permalink) Old 02-29-2008, 11:52 AM
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i've heard of great advantages on drag cars, but is there a realistic advantage on a cummins, er any diesel for that matter? :shrug:

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post #4 of 6 (permalink) Old 02-29-2008, 04:40 PM
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The only advantage I can see would be faster warm-up cause you could have it off and not circulating the coolant......you could block off the bypass hose and drill a small pressure relief hole int he T-stat and that would aid in warming up. I see no other use on a street truck....on a full race motor same would apply as with a drag car....lees accessories driven off the crank will make more power....but it's a minimal gain and only if you are searching for that last increment of HP would I do it on a street driven motor. I have a friend with a Stroker 340 that did a rear wheel dyno test with only the WP swap....there was a 5hp difference at the rear wheels vs the crank driven pump.

-Phil-
98 2500 4x4,12V,47RE Suncoast Billet input shaft, Suncoast H/D Extreme Trans kit, Goerend Triple disc converter, FASS 150/90, FASS Suction tube, Amsoil Ea air and pre-filter, 100 plate, 4K GSK, 370's, AFC Mods, CoolerTubz intake, straight piped 4" DP to 5" stacks, BD-SBS, Autometer Z-series Pyro/Boost/Trans/FP, Amsoil Bypass system and Amsoil fluids bumper to bumper.
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post #5 of 6 (permalink) Old 02-29-2008, 05:05 PM
 
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I would never stop the coolant from circulating at least a little, it seems like that would lead to hot spots around the cylinders not by the thremostat.

A few other advantages to the electric pumps are that they won't blow freeze plugs form over spinning the water pump at high rpm and they allow you to leave the pump on to circulate coolant and allow the engine to continue to cool after the engine has been shut down. This works exceptionally well with electric fans.
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post #6 of 6 (permalink) Old 02-29-2008, 05:16 PM
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I gues I should have said that differently......about blocking off the bypass hose....I meant o make it smaller so it doesn't flow as much. For a drag or pulling truck I can understand it but for a street truck......I don't think it's needed.

-Phil-
98 2500 4x4,12V,47RE Suncoast Billet input shaft, Suncoast H/D Extreme Trans kit, Goerend Triple disc converter, FASS 150/90, FASS Suction tube, Amsoil Ea air and pre-filter, 100 plate, 4K GSK, 370's, AFC Mods, CoolerTubz intake, straight piped 4" DP to 5" stacks, BD-SBS, Autometer Z-series Pyro/Boost/Trans/FP, Amsoil Bypass system and Amsoil fluids bumper to bumper.
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