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janvos39 · 09-01-2009, 02:44 PM

Diesel John.
Gears in a gearbox can be of the same material. The lubrication of the gearbox is the separator between the contacts on the teeth. In dry condition indeed to choose different materials is best to avoid fretting corrosion.

09-01-2009, 02:44 PM	#8 (permalink)
janvos39 EcoModding Apprentice Join Date: Jan 2009 Location: Belgium Posts: 140 FKB - '03 Focus DAW/FFDA1/5PFDMW 90 day: 45.7 mpg (US) Thanks: 12 Thanked 33 Times in 24 Posts	Diesel John. Gears in a gearbox can be of the same material. The lubrication of the gearbox is the separator between the contacts on the teeth. In dry condition indeed to choose different materials is best to avoid fretting corrosion.