Chevy Gear-Splitting Unit - Rev It Up And Go

Underdrive And Overdrive Your Factory Transmission With Some Help From Gear Vendors

Mike Harrington Jun 1, 2008 0 Comment(s)
Sucp_0806_20_z 1956_chevy_gear_splitting_unit Installation 1/21

No, this little gizmo is not part of the Gear Vendors unit. It's a decibel meter reader. We took this along for a ride on the highway. When cruising at about 65-70 mph with the overdrive unit off, the rear gears were screaming and crying to the tune of about 87 dB in the cockpit. When the overdrive was turned on and the rpm dropped 22 percent, the dB reader measured in at 78 dB, almost a 10-point drop. Of course, with a drop in rpm comes a gain in fuel economy.

As a side note, might we also add that installing the Gear Vendors unit was really a piece of cake. It only took a couple of hours from start to finish. Perhaps the hardest part was finding a place to shorten the driveshaft, and that wasn't difficult either. The Gear Vendors unit also comes with a two-year unlimited mileage and 1,000- plus-horsepower warranty. The rub is the price. At about $2,300, it can put a ding in your wallet. But once it's on the vehicle, its performance lasts a lifetime.

Sources

Gear Vendors
El Cajon, CA 92020
800-999-9555
www.gearvendors.com

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