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Hi Folks,
I have a 1994 7.3 idi and was wondering if I can use Fleetwood DCA2 coolant additive?
I just checked the coolant with a test strip and for now it seems to been in good shape and was wondering if DCA2 is ok to use instead of DCA4?
( If everyone swears by Motorcraft additive at NAPA, i can go that route too)
Yes, you can, some will say only use DCA2. Im running DCA4 in my new engine, the general agreement is not to mix the two. As i understand it, DCA2 has to be measured and replenished, whereas DCA4 does not, during the life of the coolant.
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