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Lawrence Helfand

Gear Vendors Overdrive Install photos on 41 Century

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Here's a couple of pics of a Gear Vendors Overdrive I just had installed on my 41 Century. It is smooth and quiet and is like having a fourth gear. You use the clutch like any gear shift actuating the unit with a push pull switch. Mines mounted on the column. Its not inexpensive but what a joy to use even around town at 50 mph and up.  No issues at all with clearance. As you can see the emergency brake line pass's beneath.

20190502_112106.jpg

overdrive.jpg

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How much RPM (%)  reduction do you get with the Gear Vendor ?  

  Does  it operate via a centrifugal  governor of some kind ( as does the Borg Warner unit) ?

 

Jack Worstell

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59 minutes ago, Jack Worstell said:

How much RPM (%)  reduction do you get with the Gear Vendor ?  

  Does  it operate via a centrifugal  governor of some kind ( as does the Borg Warner unit) ?

 

Jack Worstell

Hi Jack, You get a 22 percent reduction. Not like the BW unit at all. Does not free wheel or self destruct in reverse if you forget. Has an internal hydraulic pump and is actuated with a solenoid. Does need rpm to build hydraulic pressure so not recommended to use from a standstill but it will do it . Built to handle drag racer hp so extremely robust. They have a website with more info.

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Larry

 

BW units "kick in"    at about   28MPH.       Do Gear Vendor units have  a  "kick in"  MPH  ??

 

Jack

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14 hours ago, Jack Worstell said:

Larry

 

BW units "kick in"    at about   28MPH.       Do Gear Vendor units have  a  "kick in"  MPH  ??

 

Jack

Hi Jack, The GV has no kick in and can be engaged only with the switch. It will operate in any gear at any speed but it is best not to leave in engaged from a dead stop. It will work but is hard on the unit. It is like a fourth gear that you shift and clutch exactly as if it was on the tree except its a push pull switch. Let off the gas a little for upshifts or increase for downshifts as you would for the first 3 gears. 

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5 hours ago, Jack Worstell said:

So when shifting in and out of fourth gear { OD }     you have to  use the clutch  ??

 

Jack Worstell

Hi Jack, yes you do use the clutch if you want to avoid a ka klunk from the OD. Just like having a 4th gear 

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