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Old 02-28-2010, 06:31 PM
useless useless is offline
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Join Date: Feb 2010
Location: New Jersey
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Vehicle: 2006 Ram 1500 QC
Trim Level: SLT
Color: Grey
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
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Quote:
Originally Posted by aggie View Post
Have stock gears for 3.7L V6 single cab short bed Dodge Ram, and the overdrive gear is just about useless on the highway. You need a level road with absolutely zero wind in order for it to keep a constant speed. Otherwise, it will always lose speed. I end up just turning overdrive off while on the highway. What can I do to fix this? Gear swap? Programming? I have a K&N CAI, Jet chip, and aftermarket 22" chrome wheels w/ low pro tires. If gear swap would do it, which one should I get?

My 05 Durango with the 4.7 was exactly the same way. Drove me crazy just driving cruising speed and it would just bounce in and out of overdrive all the time regardless of the conditions (hills wind etc.).

Only cost effective way to go is to change the gears. you are not going to get enough power out of bolt ons to make a difference unless you SC it or turbo it.
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