2010 Camaro L99 4L80e Transmission Swap

After having a Whipple and a stealthy cam installed for a couple of years, our customer’s stock 6L80e was waving the white flag. Wanting to give him something to better withstand the abuse, we went with a Level 5 4L80e transmission from RPM Transmissions.

We paired the transmission with a Precision Industries Triple Disk torque converter, and a TCI flexplate. Also on the list was an upgraded one piece driveshaft from the Driveshaft Shop, and a set of 1000hp axles as well.

To control the transmission, we used our 6L80e to 4L80e swap harness. Our plug and play harness makes quick work of the tuning as well, utilizing a GM controller means it interfaces perfectly with HP Tuners or your other tuning software, making for a seamless transition.

With no other mods, the car showed the same power as it did a couple years ago with the 6L80e!

The transmission tunnel of the Camaro is too narrow to readily accept the 4L80e, so we add a little clearance by welding in a “pocket’. The photo on the right shows it doing its job!

 

 

 

 

 

 

 

 

Everything in place, and a photo of the converter before the dust shield went on:

 

 

 

 

 

 

 

 


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