I'm on my 2nd one of these. Simple basic easy to use and they last forever. I am a car dealer so it gets used a lot.
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Current Pontiacs -
1973 Formula SD455 - #'s auto orig paint
1972 Trans Am - 4 speed orig paint
1966 2+2 convertible - 421 4bbl automatic
1967 Grand Prix - 4 speed orig paint
1967 GTO - 4 speed orig paint 35k orig miles