An overdrive will give you an additional gear above the normal high gear in a transmission. Its most common application is to reduce engine RPM on the highway, allowing less wear and tear, noise and improved fuel mileage. Available for Mopar and GM vehicles.
WANT GREAT GAS MILEAGE FROM YOUR MOPAR?
GET THE OVERDRIVE CONVERSATION FOR YOUR TORQUEFLITE BIG-BLOCK!
YOUR ADVANTAGES WILL BE:
Lower RPM's = Increase of 25-30% In Fuel Economy.
Less Wear & Tear on Engine = More Miles Between Rebuilds
Lower Engine Temperature
Easy Cruising to any Mopar Show