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Old 05-24-2004, 04:19 PM   #1
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Question cavitation in Isuzu engines

Does anyone know if cavitation (pitting of the piston interior wall) occurs in Isuzu engines if coolant additive is not used. Cavitation is a known problem in the 7.3 IDI engine in my Ford truck, which is why I ask.
Thanks for any info.
Eugenie
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Old 05-24-2004, 04:22 PM   #2
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Are you specifically talking about the Duramax?
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Old 05-24-2004, 05:08 PM   #3
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Cavitation is an issue in ALL diesel engines. Best cure is prevention. Change your coolant every year if possible, or at least every 2 years, minimum. There are additives, but regular coolant changes are the best.

One friend of mine had to replace his John Deere tractor engine block, because of cavitation. Another a piston liner in his '89 Ford 7.3L.
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Old 05-31-2004, 11:22 AM   #4
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Cooloant additive

I paid a bunch to replace the non turbo Isuzu engine, in my 1981 Excella, with a new Isuzu turbo Diesel so when it was finished I did everything possible to upgrade the cooling system. A Super Cool radiator, high quality electric pusher fan, Shellzone coolant and Redline Water Wetter additive. The claim by surfactant additive manufacturers is that they eliminate cavitation.
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