On American cars that I know of, type of trans doesn't matter. Most GMs require you to get the upgraded suspensions and tires also. My Z-28 doesn't have it, but then, it is a Z-28 with top of line, for stock, suspensions system and tires and is a manual. It can go above speedometer reading but available torque limits it to around 4200 rpms in 5th gear (approx 155) (prior to exhaust upgrade). When I looked at newer ones, suspension/tire options not trans options governed it. My 06 Monte Carlo SS with the V-8 and an auto didn't have it. Or if it did, it was set above 145.