The best location for an electric water pump SBC V8 conversion, The best location for an electric water pump SBC V8 conversion |
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The best location for an electric water pump SBC V8 conversion, The best location for an electric water pump SBC V8 conversion |
BRAVE_HELIOS |
Apr 22 2017, 10:06 AM
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#1
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"Knowledge speaks, wisdom listens" Group: Members Posts: 295 Joined: 25-September 06 From: The Land Of ID! Member No.: 6,920 Region Association: Pacific Northwest |
Hey all,
Inching closer to going electric on my V8 conversion car. Right now; going through the process of cleaning out radiator and water passages/block with ThermoCure, then Prestone citric acid flush. Assuming I get a really clean system but not fix the run hot situation; I will go electric. Where is the best place to mount the electric pump? It would seem that the easiest way to go in my case is with this: http://www.jegs.com/i/JEGS-Performance-Pro.../50930/10002/-1 It a 50 GPM unit that should bolt right up to the Renegade remote water pump housing already in place in my car on the lower left hand side of the engine... that is assuming there is enough clearance between the water pump and the firewall. Would this work? I have heard stories going back and forth about mounting the pump by the radiator or by the engine. |
914GT |
Apr 22 2017, 05:51 PM
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#2
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Senior Member Group: Members Posts: 1,100 Joined: 11-October 04 From: Tucson Member No.: 2,923 Region Association: Southwest Region |
It's not clear to me where the radiator pressure cap is. I guess the Passat tank looks more like a coolant recovery tank to me. None of the remote water pumps, electric or mechanical, are going to have a bypass like the stock pump has. You'd need a pump that mates to the holes on the block, which means modifying the firewall for clearance to the pump. I have an external bypass incorporated into my heater hose connections to give some coolant flow when the thermostat is closed. I found that the bypass keeps the engine cooler because it allows coolant to circulate in the block and heads until the thermostat needs to open up.
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BRAVE_HELIOS |
Apr 22 2017, 06:15 PM
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#3
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"Knowledge speaks, wisdom listens" Group: Members Posts: 295 Joined: 25-September 06 From: The Land Of ID! Member No.: 6,920 Region Association: Pacific Northwest |
It's not clear to me where the radiator pressure cap is. I guess the Passat tank looks more like a coolant recovery tank to me. None of the remote water pumps, electric or mechanical, are going to have a bypass like the stock pump has. You'd need a pump that mates to the holes on the block, which means modifying the firewall for clearance to the pump. I have an external bypass incorporated into my heater hose connections to give some coolant flow when the thermostat is closed. I found that the bypass keeps the engine cooler because it allows coolant to circulate in the block and heads until the thermostat needs to open up. Yes, the VW expansion tanks utilize a pressure cap, although they are a bit problematic especially when trying to connect a pressurizing tool like the ones you can rent from your local FLAPS. I had to make an adapter in order to be able to use it. |
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