"D" or "OD"?
04-17-2006, 11:07 AM
#2
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OD is usually where the tq converter will lockup for extended cruising. If you're racing, it's unlikely to lock up anyways as it'll be under load, but it wouldn't hurt to leave it down into D to play it safe. Also towing I would not use OD. What trans, 4l60E?
04-17-2006, 11:28 AM
#3
I leave it in OD for my Z28 all the time, unless I'm going crazy around a backroad or at the strip where it doesn't need to shift into OD.
In some of the other POS cars I've driven I'll leave it in D going around town because it'll shift into OD, then back into D when you get on the gas because it doesn't have any power. Keeps the tranny from going beserk and shifting all the time.
In some of the other POS cars I've driven I'll leave it in D going around town because it'll shift into OD, then back into D when you get on the gas because it doesn't have any power. Keeps the tranny from going beserk and shifting all the time.
04-17-2006, 11:41 AM
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04-17-2006, 07:08 PM
#15
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OD= daily driving, it's the most conservative setting the tranny has, for people who leave it there.
D= quicker shifts, stays in gear longer, drops down in less time, basically the performance aspect.
the 4l60e is a 3 gear transmission with an extra gear for cruising.
D= quicker shifts, stays in gear longer, drops down in less time, basically the performance aspect.
the 4l60e is a 3 gear transmission with an extra gear for cruising.
04-17-2006, 07:22 PM
#16
Leave it in D unless you have problems hitting the limiter. Then try OD. If that doesn't work, it's probably time for a rebuild 
Not true (on the car 4L60's at least).
Originally Posted by Nine Ball
no difference. It won't go into OD at wide open throttle anyways.
