Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Thinner differential oil for RWD car? ('06 Miata)

regency · 10-05-2011, 09:34 PM

Depends on the gears really, and how the were setup, also how much backlash they have at time of oil change.

If mines starts to make noise i will go back to 80w-90 and consider it a flush of the old fluid

10-05-2011, 09:34 PM	#8 (permalink)
regency EcoModding Lurker Join Date: Sep 2011 Location: Alexandria, LA Posts: 25 Regency - '94 Chevrolet S10 LS 90 day: 29.2 mpg (US) Thanks: 0 Thanked 1 Time in 1 Post	Depends on the gears really, and how the were setup, also how much backlash they have at time of oil change. If mines starts to make noise i will go back to 80w-90 and consider it a flush of the old fluid __________________