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Old 04-23-2003, 08:04 PM
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gsxr gsxr is offline
Join Date: Aug 2001
Location: USA
Posts: 7,903
Synthetics really do offer advantages, I wouldn't avoid them like that. Just don't change them as often or you're wasting money. Anyway don't forget about the power steering fluid & filter (yes, there's a filter in there).

diff fluid...... Mobil-1, Amsoil, or Red Line
trans fluid.... Mobil-1 ATF
brake fluid.... Valvoline SynPower (best bang for the buck) or ATE Super blue (even better, costs more though)
radiator fluid... Mercedes anti-freeze ONLY!
power steering... MB fluid, Mobil-1 ATF, or Valvoline SynPower (I used Valvoline)

I find that the tranny fluid & filter needs replacing by 25-30kmi, and I can usually feel a difference by 20-25kmi, and the improvement is very obvious when I do change it (that's with dino ATF, not synthetic - haven't reached the next change interval yet to switch to M1! Another 4kmi... )

Dave M.
Boise, ID

1997 E420 - 148kmi (Bugeyes)
1994 E420 - 136kmi (Blondie)
1994 E500 - 116kmi (Q-ship)
1992 500E - 179kmi (Mach 5)
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