How crack checking and REM polishing can make a gearbox track-ready

J.G.
By J.G. Pasterjak
Mar 17, 2024 | Chevrolet, Corvette, transmission, GearFX | Posted in Shop Work , Drivetrain | From the June 2020 issue | Never miss an article

Photography by J.G. Pasterjak

[Editor's note: This article originally appeared in the June 2020 issue of Grassroots Motorsports.]

What if you could stave off a transmission failure long before it happens? That’s where crack checking comes in. 

Both the constant and instant load stresses applied to a transmission’s shafts and gears can lead to cracks. “These are not issues that will ever get any better, or …

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