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TECH: When You’re Ready for Life In The Fast Lane

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GEAR VENDORS: When You’re Ready for Life In The Fast Lane

Picture this if you dare. A vintage big block Mopar B-Body in the slow lane on the Interstate that sounds like it’s wound way too tight while doing little more than the double nickel. Adding insult to injury is the space cadet in a Toyota Prius passing this mighty Mopar at 75 while talking on a cell phone. It’s enough to make a grown man cry.

If this sounds like you and your car, then it’s time for you bolt on the one product that will enable you to live life in the fast lane where you belong. What you need is an overdrive. Sure, the A-833 four speed or 727 Torqueflite you’ve got backing up that Street Hemi or 440 Six Pack is plenty stout, but neither transmission was offered by Ma Mopar with an overdrive. And if you’re running any kind of a gear, the situation only gets worse. Like you, there was a time when I got really fed up with riding along in formation with eighteen wheelers. The thing is, I really like my A-833 four speed. It’s an extremely strong transmission, rowing the Hurst Competition Plus is great fun, and the trans had absolutely no problem handling the power from the 440 Six Pack.

When we restored the A12 inspired Six Pack Wagon, we made sure that everything in the driveline was Mopar. And while I really wanted an overdrive, I did not want to change the trans out for a late model Tremec five or six speed. The answer was simple; just add a Gear Vendors Under / Overdrive to the back of the transmission and pick up an instant 22 percent overdrive. Adding a Gear Vendors to the big Plymouth would provide us with the perfect final drive ratio so we could cruise the California freeways at the same speed the cars in the fast lane were running without feeling like we were beating the snot out of the 440.

Among the advantages of a Gear Vendor is reduced engine rpm and increased fuel economy, while a side benefit is reduced pollution. Yeah, I know that many of you could care less about what’s coming of out your tail pipes, but it is nice to know that instead of being branded as part the problem you can look the green weenies in the eye and tell them that you and your ride are actually part of the solution! Wanna see their jaw drop? Just lay it on how your 70 AAR Cuda is really an environmentally respected member of society. And don’t miss the look on their face when they realize you that you are more knowledgeable about reducing emissions on vintage engines than they are.

Another great virtue of a Gear Vendors is that it is an extremely robust unit. It’s rated at 1200 horsepower and can be found in dragsters that run two speed Powerglides like Jim Luttrell’s, who holds the Super Eliminator Record at 204.80 mph. Another excellent example is Edward Miller’s 1970 Plymouth Duster that ran 8.63 @ 155.97 mph to win the Pro Street Naturally Aspirated Category in the 2013 Hot Rod Magazine Drag Week Competition. Not only did the Duster win its class in competition, but it also completed the grueling 1054 miles between racing events. These examples speak volumes about the durability of the Gear Vendors Under / Overdrive.

The Gear Vendors is easy to install, and if you start in the morning, your favorite Mopar can be back on the road the same day. Follow along with us as we install a Gear Vendors unit in the 1968 Plymouth 440 Six Pack Wagon. Once you experience the thrill of a Gear Vendors in your vintage muscle car, you’ll never be able to drive without one again.

Oh, and the brain dead driver in the Prius with the cell phone; the next time this mental midget tries to pass you, just push the button and engage the Gear Vendors. Now you can put the moves on ‘em that’ll let them see and hear what a Mopar is capable of while you drive past like they’re chained to a telephone pole. Bet they didn’t see that coming…..

Photo 2

Checking angle of transmission…

 

Checking the distance from the back of bell housing to the driveshaft, which indicates the length of new, shorter driveshaft that will accommodate the extra length added by the gear splitter.

Checking the distance from the back of bell housing to the driveshaft, which indicates the length of new, shorter driveshaft that will accommodate the extra length added by the gear splitter.

Marking the arms of the Hurst shifter to ensure that they are reinstalled on the correct transmission shifter fork arms

Marking the arms of the Hurst shifter to ensure that they are reinstalled on the correct transmission shifter fork arms

Unbolting the U-Joint Cap bolts

Unbolting the U-Joint Cap bolts

Removing the driveshaft

Removing the driveshaft

Removing bolts from transmission mount

Removing bolts from transmission mount

Using Gear Vendors templates to determine clearance in tunnel for gear splitter.

Using Gear Vendors templates to determine clearance in tunnel for gear splitter.

Hurst shifter arms unbolted from transmission

Hurst shifter arms unbolted from transmission

Removing the transmission cross- member bolts

Removing the transmission cross- member bolts

Unbolting head pipes

Unbolting head pipes

Removing the transmission crossmember

Removing the transmission crossmember

Removing drain plug from transmission

Removing drain plug from transmission

Unbolting transmission from bellhousing

Unbolting transmission from bellhousing

Draining transmission oil

Draining transmission oil

Removing speedometer gear

Removing speedometer gear

Removing transmission from vehicle

Removing transmission from vehicle

Photo 21

Transmission without tailshaft housing

A833 4-speed transmission with new Gear Vendors tail housing loosely attached, and ready to be bolted up

A833 4-speed transmission with new Gear Vendors tail housing loosely attached, and ready to be bolted up

Tightening the tail housing bolts

Tightening the tail housing bolts

Transmission tunnel needed to be slightly dimpled to accomodate the Gear Vendors unit

Transmission tunnel needed to be slightly dimpled to accommodate the Gear Vendors unit

Transmission reinstalled in vehicle with new Gear Vendors tailshaft housing, prior to installation of Gear Vendors. The slight dimpling marks are visible above the flange

Transmission reinstalled in vehicle with new Gear Vendors tailshaft housing, prior to installation of Gear Vendors. The slight dimpling marks are visible above the flange

Splined coupling that mates transmission output shaft to Gear Vendors input shaft

Splined coupling that mates transmission output shaft to Gear Vendors input shaft

Gear Vendors unit prior to installation

Gear Vendors unit prior to installation

Measuring for shimming to ensure correct fitment of Gear Vendors input shaft

Measuring for shimming to ensure correct fitment of Gear Vendors input shaft

Installing nuts on Gear Vendors mounting bolts where it attaches to the new GV transmission tailshaft.

Installing nuts on Gear Vendors mounting bolts where it attaches to the new GV transmission tailshaft.

Transmission and Gear Vendors unit reinstalled in vehicle

Transmission and Gear Vendors unit reinstalled in vehicle

New GV speedometer drive is mounted on Gear Vendors unit

New GV speedometer drive is mounted on Gear Vendors unit

The GV speedometer drive mates the factory speedometer cable to Gear Vendors cable. This device also sends speed signal to GV in car computer.

The GV speedometer drive mates the factory speedometer cable to Gear Vendors cable. This device also sends speed signal to GV in car computer.

Install the new shorter driveshaft

Install the new shorter driveshaft

Head pipes reinstalled

Head pipes reinstalled

Photo showing driveline installation completed

Photo showing driveline installation completed

Routing of Gear Vendors speedometer drive, along with wiring that connects to GV computer mounted inside vehicle

Routing of Gear Vendors speedometer drive, along with wiring that connects to GV computer mounted inside vehicle

Plymouth on display in Gear Vendors Exhibit at Hurst Show

 

A very special thank to our friend Larry Weiner for this contribution…

…of both words and images to Cars Illustrated Magazine. 

thanks Larry, the Janitor

 

 

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