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Perhaps this question has already been asked and answered, but on the pre-1999 7.3 powerstroke's, can you do a good flush and replace the coolant with the newer coolant that does NOT require the anti-cavitation additive? Has this been done before? Thanks in advance.
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1997 F350 XLT Crew Cab Dually, 7.3 Powerstroke, 4:10 gears
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