wouldn't of thought so but you never know
dose it have 3 or 6 cells to the battery
3 cells 6 volt - 6 cells 12 volt
could be that a prev owner wanted a faster spinning starter and used a 6 volt to do it ( a very bad way to do it )
A forum community dedicated to Opel GT owners and enthusiasts. Come join the discussion about restorations, engine swaps, modifications, classifieds, troubleshooting, maintenance, and more!