[greywuuf]

AGGGGGG! just lost a huge post about the differences of these old trucks, to summarize,

I have one with a manual engine shut down one with key operated ( key on also activates something AIR but I don't know what yet ) i have bottom pivoted air brake pedals but have seen top in video I have seen at least 3 dash/gauge configurations and also door panels and Not.... can any one talk about why there are so many differences and if they were options or packages or year/model specific... or even engine driveline driven ? just want to know more about these old monsters. Thanks