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Old 09-12-2003, 12:53 PM
STORMINORMAN STORMINORMAN is offline
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Join Date: May 2002
Location: West Linn, Or
Posts: 341
Thumbs up diff lube change

The mechanic @ the MB shop wondered why I would "even bother @ ONLY 120K miles..."

I gave him a couple quarts of 100% synthetic 75W-90, he put in a quart and a half, my wife's commuter mileage went up almost a full 1 mpg with no other changes.

He bought another quart and changed the diff lube in his 560SEC and saw an almost identical rise in his mpg.

He now believes...
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'91 420 SEL @ 199K, '92 SVX @ 181K, '93 SC400 @ 86K, '93 Kaw ZX-11 @ 30K, '87 F250 @ 181K , 2001 Valkyrie Interstate @ 6K, Y2K Honda NightHawk 250 with 1.5K, '88 420SEL I.@ 179K & the 2nd latest, an '88 420SEL II.@ 210K runnin' parts car, '85 F150 300/NP435
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