Ok I bought this 75 truck for the engine, The engine runs great. The guy said he had the c6 transmission rebuilt in 2001? and had put about 40k miles on it sense.

he said 2nd gear just stopped working one day ,a few weeks ago. Anyone know what this might be?

 

improper adjustment turned a precisely shaped steel alloy into a fog.

OR

bad modulator maybe it was shifting late? or a few other things including adjustment

-Gun