Coolant Additive

[Powerestroker2000rt]

Hey guys
getting ready to do a coolant change on my rig just so i know its been done. now it seems to me that there is some kind of additive that im supposed to use so ive been told. Any help is appreciated.

2000 f250 4x4 7.3 PSD Straight Pipe, 4inch lift, Automatic, Eagle Alloys, 33's

[Brian]

ford carries it. its motorcraft diesel cooling system additive
comes in a 1 pint bottle, and you need 1 1/4 bottles to do the job.

i beleive that your truck is going to need the green coolant also.

[Tx_Atty]

check your manual on the number of pint bottles you need. Mine took 4 bottles.