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Join Date: Nov 2012
Location: Yuba City
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if it were me, I would change these fluids:
1. coolant fluid:
- don't do a chemical flush unless your prepared to replace a clogged oil and or egr cooler, just drain and refill the system with appropriate coolant/distilled water ratio
2. rear differential fluid
- limited slip re-ends require a friction modifier and/or full synthetic fluid
3. transmission fluid:
*transmission flush with a machine is never reccomended don't listen to ford guys...
-just drain the pan, drop pan and replace filters, reinstall pan and refill with appropriate amount and kind of fluid.
all these you can do very easily too.
I do trans, dif, and coolant at 40-60k and oil at 5k and fuel at 10k. granted im a 6.0 but im sure they're not that different from a 6.4
currently-1999 F250 SBRB 4X4 7.3, 6.0 trans cooler, 08 mirrors, AIS Intake, Hydra, Level kit, 33s, JW Vbody.
-2004 F350 CCLB 4x4: Sinister Race solutions kit, CAT ELC Edge CS, SCT SF3, PHP Ficm programmer, Procomp, Rough country, and Nitto goodies.
-2004 excursion, banks exhaust, 03 turbo, aem intake. 4in lift, 35in kumhos
-2006 f350 king ranch, aem intake, 10 in fabtech, 40in tires, sct tunes.
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