Closed cooling for engines over1000hp
#2
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Joined: Aug 2017
Posts: 54
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From: Osaka, Japan
Perfprotech used to have a kit that Monitor products provided the heat exchanger and most components.
https://www.perfprotech.com/high-per...product/242843
https://www.perfprotech.com/store/ap...erformance.pdf
https://www.perfprotech.com/high-per...product/242843
https://www.perfprotech.com/store/ap...erformance.pdf
#3
PM park35.
He's got big motors with closed cooling. I'll say my 800's (which are never run to that level to be fair) are closed cooled with the CP performance kit and the temps sit at 150 all the time with 140 starts. It's uncanny. Even after 25 minutes of running when oil has climbed to 230-240 the temps haven't moved. It's a wonderful upgrade......
He's got big motors with closed cooling. I'll say my 800's (which are never run to that level to be fair) are closed cooled with the CP performance kit and the temps sit at 150 all the time with 140 starts. It's uncanny. Even after 25 minutes of running when oil has climbed to 230-240 the temps haven't moved. It's a wonderful upgrade......
#6
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Joined: Dec 2010
Posts: 723
Likes: 71
From: longisland ny
I'll chime in here....I converted to closed cooling....almost 1100hp...first...what is the water temp in the lake or ocean that u boat in.....?? Next need a 3stage water pump...min water pressure at wide open 45 lbs....i run maybe 3 to 4 minutes wfo...still holds 120 temp water temp is 60-75 degs...there is more to making it work..but it can be done
#8
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Joined: Mar 2020
Posts: 65
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Thanks for the help. Will be in South Florida Atlantic. Summer water temps 85 degree water temps. I'm just thinking if I throw big money in big horsepower motors I don't want my heads intake getting trashed by the salt to early
#9
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Joined: Mar 2020
Posts: 65
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Park35...... Is there just not a lot of guys running big blower numbers with no closed cooling? Seems some big money motors like Sterling's they would want to protect their investment. Or maybe people have that much money they don't care salt eats aluminum very quick even with flushing motors after each outing
r
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#10
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Joined: Jan 2010
Posts: 346
Likes: 872
From: Finland
I made heat exchanger to my diesel Fountain project. It have 50m 8mm copper tube, cut to 70 tubes, if my calculation go right, its ok to 3000hp engine power. Maybe 2000hp to gasoline engine because efficiency is so poor. 3 way thermostat and full flow inside circuit and good air bleed is must. Very simple system.




