Okay, gonna get my exhaust hopefully installed within a couple weeks, my timing bumped to 16* and valves adj end of April & KDP. Next will start acquiring tranny parts for the rebuild which will take some time.
Will I endanger the current stock tranny to go ahead and install the "free" GSK washers ?

 

It will be fine with the gsk

 

Do it! GSK is one of the best mods to be made. No harm done to the tranny, either.

 

If your tranny is fine

with the current mods, then it will be fine overall with the GSK, the gsk simply better distributes the power that you already have....

Rick

 

Go ahead and do it. It shouldnt hurt your truck at all. It will probably make your tranny shift a little better too.