Quote:
Originally Posted by Mountain
Tip: whatever fluid you are wanting to switch to, pay attention to the specs kinematic viscosity - you do NOT want to go to anything much thicker than a Dex III ATF. Why? The syncros are NOT designed to work correctly with a thicker fluid. The only exception is if you are purely tracking the car; even then, you shouldn’t need it as the coolers do a good job at controlling temperatures.
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GM does not use ATF in their manual transmissions in the Camaro or Corvette at this time. They use a specific syncromesh manual transmission fluid.
Personally the Royal Purple Syncromax fluid works great in these transmissions, shifting feel is greatly improved over the OEM fluid especially at really low temps.