My distributor has been locked for 6 years..Compression ranging from 11.8 to 13.3....no start retard or anything, has never kicked back, and start it with the key just like from the factory.
I like it, makes tming it easy(if your light is good)
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight 418 BPE factory replacement headed stroker, 565 lift solid cam Best so far, low 10.30’s 1/4 1.41 best 60 foot 6.56 at 104.17