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Water Pump Drive #725265 06/15/10 07:28 PM 06/15/10 07:28 PM
Joined: Dec 2004 Posts: 131 Florida W Wedge OP member
Wedge OP member W Joined: Dec 2004 Posts: 131 Florida	I'm prepping the old bracket car for some street duty. It presently has a moroso electric driving the water pump. Works fine for bracket racing but I have my doubts about street use. As I'm installing a alternator anyway, would I be better off belt driving the water pump? Thanks, Bobby

Re: Water Pump Drive [Re: Wedge] #725266 06/15/10 08:18 PM 06/15/10 08:18 PM
Joined: Mar 2007 Posts: 3,300 Northern Indiana Dunnuck Racing master
Dunnuck Racing master Joined: Mar 2007 Posts: 3,300 Northern Indiana	I ran one on my wife's street/strip Duster for a couple seasons.I used the smaller pulley on the electric motor to speed up the water pump though. It only had a 10.4 to 1 Aluminum headed 360,something with more compression might put out too much heat for it to keep up. www.dunnuckracing.com

Re: Water Pump Drive [Re: Wedge] #725267 06/15/10 08:33 PM 06/15/10 08:33 PM
Joined: Oct 2003 Posts: 7,506 Az Crizila master
Crizila master Joined: Oct 2003 Posts: 7,506 Az	Quote: I'm prepping the old bracket car for some street duty. It presently has a moroso electric driving the water pump. Works fine for bracket racing but I have my doubts about street use. As I'm installing a alternator anyway, would I be better off belt driving the water pump? Thanks, Bobby Not only heat issues, but amp draw issues @ idle. I'd go with a belt driven 6 blade modified pump - disc welded to the blades. Fastest 300

Re: Water Pump Drive [Re: Crizila] #725268 06/15/10 09:37 PM 06/15/10 09:37 PM
Joined: Oct 2005 Posts: 2,611 Elbridge, NY D Dart1031 master
Dart1031 master D Joined: Oct 2005 Posts: 2,611 Elbridge, NY	Not only heat issues, but amp draw issues @ idle. I'd go with a belt driven 6 blade modified pump - disc welded to the blades. A/C pumps have 8 blades I think. And no, I wouldn't use the Moroso drive on the street. Even if it kept it cool, what if that little belt broke?!

Re: Water Pump Drive [Re: Wedge] #725269 06/16/10 07:30 AM 06/16/10 07:30 AM
Joined: Jan 2003 Posts: 13,402 Marion, South Carolina [><] an8sec70cuda I Live Here
an8sec70cuda I Live Here Joined: Jan 2003 Posts: 13,402 Marion, South Carolina [><]	From my experience, the moroso water pump drives will not keep it cool on the street. I've never tried it on anything under 600 hp though. CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax

Re: Water Pump Drive [Re: Dart1031] #725270 06/16/10 10:47 AM 06/16/10 10:47 AM
Joined: Feb 2003 Posts: 8,711 A Andrewh master
Andrewh master A Joined: Feb 2003 Posts: 8,711	Quote: Not only heat issues, but amp draw issues @ idle. I'd go with a belt driven 6 blade modified pump - disc welded to the blades. A/C pumps have 8 blades I think. And no, I wouldn't use the Moroso drive on the street. Even if it kept it cool, what if that little belt broke?! it is actually counter intuitive. it is 6 for a/c but it is because the use a smaller pump pulley so it spins faster. The 8 blade is non-a/c and it uses a larger pulley so it spins slower.

Re: Water Pump Drive [Re: Andrewh] #725271 06/16/10 09:13 PM 06/16/10 09:13 PM
Joined: Dec 2004 Posts: 131 Florida W Wedge OP member
Wedge OP member W Joined: Dec 2004 Posts: 131 Florida	Thanks for the input fellas. Pulleys and an alternator are on the way from Mancini. 6040764-feb232008.jpg (70 downloads)

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