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coolant question

Posted: Mar 8th, '08, 20:35
by Bfenske
Do you guys use coolant of a regular 50/50 standard anti freeze/distilled water only or do any of you use a coolant with rust inhibitors added? Just want to know because i'll probably change out the coolant soon on the two volvo diesels on the b31 and was wondering if I should keep it the same as it is currently (no rust inhibitor) or do something different. Just bought the boat so that is why i'm asking.

Posted: Mar 8th, '08, 21:04
by Charlie J
i use straight anti freeze from cat

Posted: Mar 8th, '08, 23:29
by Rawleigh
Use diesel truck antifreeze that has SCA in it to prevent cavitation erosion to the piston liners.