I have a Jasper 305 out of an '86 Trans Am. Believed to have bad head gasket or intake manifold gasket, not sure... runs rough and hot, but not too hot. Has 12K miles on it. Engine broke after it ate it's second 700R4. Tried to drive it home but it didn't like that. Has edelbrock performer series carb, Accel dizzy, MSD super coil, 8.8 mm wires, advance curve kit, plus much more. Looking for $350/ best offer for motor. Carb and all the fun stuff is a little more. Very stout little motor when not broken... ran a low 15 in the quarter.