well, GMC's generally were positive ground back then, but no tellin about Maple Leafs - I think actually they were "heavy" Chevy's, in which case they'd be neg ground
for plug wires, any auto parts store should be able to come close enuff - any early GM I6 wires will work - what engine's in it? been changed or original?
the
Reynolds Alberta Museum in Wetaskiwin may have some info, if yer not tooo far from there
Bill
