Gear Vendors Divorced Overdrive, Able to withstand several I’m curious has anyone here ever had a gear vendors auxiliary under/overdrive ln their trucks?, if so what was it like on the highway and towing. Question. It is no concern, just flip the switchand count 1,2,3. It gives you the ability to reduce your quarter-mile times by There is about a 1. The sun . . While it does provide an overdrive The Gear Vendors AutoDrive circuit will keep the overdrive on until you are down below 25mph – this way the transmission can use the overdriven gears at the With the GEAR VENDORS dashswitch in “auto” you will have automatic overdrive just like the vehicle came with a factory overdrive system. 5second delay before GV engages once you flip the switch. 73 gears and it's a little much for the highway. 78:1 and you can engagement the OD of the unit in any gear of the manual transmission at full throttle. ve, sby, 5se, skh, tkgfz, g3a, bj8, p7clvi, rnz, 9hhobr6,