hogmaw Posted October 23, 2007 Share Posted October 23, 2007 Like the title says. I have always wondered why auto cars have gears 1 & 2 then D. WHy not 1, 2, 3 & 4, all in a nice n easy straight line? Don't blind me with techy answers please Quote Link to comment Share on other sites More sharing options...
jamesmark Posted October 23, 2007 Share Posted October 23, 2007 O/D is known as a cruising gear, so 1, 2, D is for urban driving and O/D (4th) is for long drives. Or with the Supra it could mean something different. Quote Link to comment Share on other sites More sharing options...
dangerous brain Posted October 23, 2007 Share Posted October 23, 2007 Isn't O/D where the gearing is more than 1.00 to 1?? I always thought that on most auto's it wasn't an extra gear just something strapped onto the last gear to change the ratio a bit. Quote Link to comment Share on other sites More sharing options...
Scoboblio Posted October 23, 2007 Share Posted October 23, 2007 Bit of a techy explanation, but I don't think you can explain all the workings of an automatic gearbox without getting a bit technical! http://auto.howstuffworks.com/automatic-transmission3.htm Quote Link to comment Share on other sites More sharing options...
hogmaw Posted October 23, 2007 Author Share Posted October 23, 2007 Hmmm I got lost after the first sentence Quote Link to comment Share on other sites More sharing options...
Animal Posted October 23, 2007 Share Posted October 23, 2007 That's further than I got. Our IT department don't want us to know about the arcane & mysterious science of automatic transmissions... Quote Link to comment Share on other sites More sharing options...
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