1990 DT466 coolant question
Iím trying to figure out what type of coolant to put into my Dt466 engine. Iíve looked elsewhere for manuals but itís only post 1993 mine is a 1990
I lost a bit of coolant when I removed the heater, and Iím looking to top it off, I just donít know with what. Should I just go with whatís already in there which is green coolant as long as it reads Navistar* B1 type 1?
Also what are you guys using in your DT466? I read the Peak fleetcharge stuff is great, is it worth flushing and refilling it with that instead of what I have even though itís pink? Also, I understand that these green coolant engines need additives to prevent cavitation which would you recommend? Iíve been at this for weeks and I ask the people at Napa and they look at me weird asking them about coolant additives and PH testing strips. -_____-
My bus specs are 1990 International 3800 w/DT466 with MD436 tranny. I love this bus and I want to have it as up to spec as possible, but I donít want to break it with a dumb move like putting in the wrong coolant.
I hope I was as detailed as possible, thanks in advance you guys!