Summit racing has some decent pumps. Look up pumps that replace water pumps but are universal.
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That's a much better pump than the bilge pump crap you were gonna use lol.
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Before I buy the exchangers, do I need anything fancy? How big/how many pass radiator do you think would be needed per turbo/cooler circuit? If I can save 200 bucks on heat exchangers I'll mess my pants.
I would say as big as they will fit in the space you have.
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What are you doing to control the flow rate through the system? Other threads on the topic don't seem to address this either iirc.
Higher heat latency in the air charge will mean you need to slow the flow rate at the exchanger to allow it time to function at a similar rate to when it isn't heat laden. I guess consistent liquid inlet temp at the cooler(s) is what I am trying to say.
Have you got a way to monitor the coolant inlet and outlet temps?
Monkey Fist Rage
yes- a bus booster pump for the rear heater works wonderful - I ran them with my DD water setup. Uses 1" heater hose
I also used a bus rear seat heater as the cooling rad as it is compact yet large in surface area - we hung it under the bed using its own mounts
I had it plumbed with a heat exchanger in an ice box as well so you could up the ante, should you wish to go pulling
so not so different than using two rads
Precision recommended 60gpm to me for these coolers and said the more flow the better however, I have a friend that's running a big W2A with two big rule pumps feeding it and there is some doubt floating around that he may be feeding it too much.. he's talking about taking one pump off for next season, I'll have to wait and see the results
It's necessary and beneficial to have as turbulent flow as possible through the cooler to cool the water. Turbulent flow happens at increased speeds. I would pump as fast as possible through them. Turbulence allows each molecule of water to touch the actual radiator and be cooled instead of flowing through the middle of it and not gaining contact.
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This is to eliminate the laminar flow that lowers exchange efficiency.
That isn't what I'm talking about.
If you have no flow regulation, you are either too hot or too cool on a non maximum effort run. I know this depends on the btu capacity, but on a system that is closely matched due to packaging, it needs regulation to maintain any level of consistency.
I'm curious about the performance market thought regarding this vs OE where target inlet temp is the goal.
Monkey Fist Rage