Water Pump Selection Opinion or Recommendation
Drifting
Joined: Feb 2002
Posts: 1,987
Likes: 3
From: Manchester, Dead Center in the Middle of TN 25 miles to Jack Daniels,10 miles to Geo Dickle, and .8 mile from the Liquor Store at I-24 Exit 114
St. Jude Donor '05
Re: Water Pump Selection Opinion or Recommendation (Got79Fever)
Rick I have a NOS GM water pump that I bought to go on my '80. I was going to upgrade my engine. I had already painted it the correct blue so it would be seasoned by the time I installed it.
Instead I bought the 385 Fastburn and a GM Aluminum Water Pump. So I have no use for the New GM Cast Iron Pump that is still in the box. I'll take $25 & shipping for it if you want it. JIM
Instead I bought the 385 Fastburn and a GM Aluminum Water Pump. So I have no use for the New GM Cast Iron Pump that is still in the box. I'll take $25 & shipping for it if you want it. JIM
Pro
Joined: Nov 2000
Posts: 594
Likes: 0
From: Tucson AZ
Re: Water Pump Selection Opinion or Recommendation (Rick Church)
Quote:
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A higher coolant flow is not necessary a good thing. You want the coolant to flow through the rad at the correct speed....too fast and it doesn't have enough time to dissipate it's heat (which will show up at speed). I agree with Mike Ward and your parts guy. I'd get the plain old orange pump. There are other areas in the engine compartment you can dress up if that's the way you want to go.
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Rick,
gq82 has a good point. I don't refute the flow specs from aftermarket pump suppliers but do question the effectiveness of a higher flow. The fluid needs to remain in the radiator long enough for the heat exchange process to take place. I would think that a larger, high flow radiator would be needed to take advantage of a high flow pump. I live in Tucson, AZ and have driven my car in 115 degree heat and the temp never went above 189. I am using a copper replacement radiator and a stock pump. My car is a non air car and has a small radiator. A car with air uses a larger radiator thus allowing the fluid to stay in the radiator longer and have more of the heat energy pulled from it. I would use a new stock pump (not rebuilt) and make sure your radiator is clean and flowing well. Worked for the factory :cheers:
Craig
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A higher coolant flow is not necessary a good thing. You want the coolant to flow through the rad at the correct speed....too fast and it doesn't have enough time to dissipate it's heat (which will show up at speed). I agree with Mike Ward and your parts guy. I'd get the plain old orange pump. There are other areas in the engine compartment you can dress up if that's the way you want to go.
________
Rick,
gq82 has a good point. I don't refute the flow specs from aftermarket pump suppliers but do question the effectiveness of a higher flow. The fluid needs to remain in the radiator long enough for the heat exchange process to take place. I would think that a larger, high flow radiator would be needed to take advantage of a high flow pump. I live in Tucson, AZ and have driven my car in 115 degree heat and the temp never went above 189. I am using a copper replacement radiator and a stock pump. My car is a non air car and has a small radiator. A car with air uses a larger radiator thus allowing the fluid to stay in the radiator longer and have more of the heat energy pulled from it. I would use a new stock pump (not rebuilt) and make sure your radiator is clean and flowing well. Worked for the factory :cheers:
Craig
