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Kinda OT: What does overdrive mean?
The most basic definition is: any gearset in the transmission that is less than 1:1 ratio. (e.g. 0.95:1)
For instance, one of my cars has a 6-speed and both 5th and 6th are 'overdriven' or less than 1:1. Fourth, however IS 1:1.
Because the rear end (differential) ratio is far greater than 1:1 ( 3.45:1, in my case) the engine still rotates at a greater rpm than the rear axle, even in overdrive.
Larry
----- Original Message -----
From: Kervin Ridgley
To: scirocco-l@scirocco.org
Sent: Monday, February 02, 2004 9:11 AM
Subject: Kinda OT: What does overdrive mean?
I had someone ask me what overdrive means in a transmission, but I don't know. Can someone explain it to me? Thanks
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