Originally Posted by hawk29

still on the original opti in my 95

Originally Posted by mzgp5x

I would not buy the dynaspark again. They have special fasteners to prevent us yo-hos from disassembly. Probably void the warantee for disassembly. I dissected mine. The cnc base cover is a nice piece, and, it did not fit my engine that well (97SS - I had to machine the back of cover/ case). All of the guts (rotor - hi-rez wheel/ sensor) are the same as the gm unit. I did not think the internal cover fit well (kind of loose and not keyed). The gm unit had a better fit. Dyna-spark ports the case in different places.
ANyway, just my opinion.