“Nov 17, 2017 · 2019 ZR1 Features a TREMEC TR-6070 7-speed manual transmission with Rev Match. USA Today / Nathan Borney / Nov.”... cant verify personally....footnote.. I believe even the LT-4 actually makes more torque than the 6070 was rated for but had heard the tranny is significantly under rated.

Bob.. answer to your query should come from someone who knows what they are talking about..haha.. like Weapon X or somebody who has torn the ZR1 apart to see for sure.

Agree. Thanks

Just for what its worth, I called Tremec... talked to the “tech guy” (Thats who he claimed to be anyway). He didnt know if the TR-6070 is the the same in a Z06 and a ZR1... seemed baffled when I stated Tremec’s torque rating was 635 and the Z06 was higher than that. GM’s spec info does show the gear ratios the same in Z06 and ZR1 TR6070’s from what I found.

thanks