Motive 4.10's a success!
07-20-2006, 02:32 PM
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4th Gear Member
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Join Date: Jun 2006
Location: New York
Posts: 1,178
Motive 4.10's a success!
Bought the RPMoutlet tuner and gearset option. The tuner is great and made additional power I could feel which is not the norm with me.
Got the car back yesterday from the shop. There is a slight whine/whistle at 40MPH but not much at all. The box said break in required and the mechanic said the ring gear mating surface had a bit of a crown so perhaps it will eventually be totally silent. I used MOBIL 1 75W-90 instead of the 80W-140 that is the new weight called for and that may have made them quieter being thicker oil. Time will tell. Thanks to all who helped me with these 2 mods. Mark
Got the car back yesterday from the shop. There is a slight whine/whistle at 40MPH but not much at all. The box said break in required and the mechanic said the ring gear mating surface had a bit of a crown so perhaps it will eventually be totally silent. I used MOBIL 1 75W-90 instead of the 80W-140 that is the new weight called for and that may have made them quieter being thicker oil. Time will tell. Thanks to all who helped me with these 2 mods. Mark
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