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04-30-2007, 05:55 PM #1
- Join Date
- Apr 2007
- Location
- Owasso Oklahoma
- Posts
- 15
Black- 2002 Camaro SS
Stock Waterpump Vs Electric waterpump
Which doe you prefer? And also does anyone know how many gallons per minute a stocker flows?
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05-01-2007, 05:39 AM #2
I've never found exactly what gmp stock LS1 water pumps flow. Aftermarket belt driven LS1 water pumps like EMP Stewart Components claim flow as high as 140 gpm (without a thermostat). Most electric water pumps flow 35-55 gpm, depending on what brand you look at, and run $400-800. They claim to be 20% faster than stock, which would put stock somewhere around 25-30 (I assume). Electric water pumps free up some HP by reducing drag, but are too co$tly for most.
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05-01-2007, 07:49 PM #3
- Join Date
- Apr 2006
- Location
- Chowchilla CA
- Age
- 70
- Posts
- 287
White- 2001 Z28
The electric water pump is a good addition when running an underdrive. The underdrive slows down the stock water pump. The other good idea is a constant pump speed in city traffic. It really does help keep your motor cool. Here in Central California that is important.
If nothing else it looks great under the hood!
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05-01-2007, 08:18 PM #4
- Join Date
- Aug 1999
- Location
- Arizona
- Posts
- 51,377
Black- 383 Procharged & N20 Vert
I run one so I can cool down the car fast at the track.
Black 1999 Blown Convertible A4
Forged 383 | ATI D-1SC
NX MAF Kit | 222/226 .585 115
AS Stage II 6.0L FI Heads
Moser 9" | 3.70 | Wavetrac | 35 Spline | Vigilante 3600
548.0 RWHP - 563.8 RWTQ - 10# - D1
666.0 RWHP - 734.2 RWTQ - 125 Shot - P1
Black 2009 Escalade Hybrid 4WD
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05-02-2007, 08:27 PM #5
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