A
Anonymous
Guest
Workin on my friends 68 stang with a bone stock six, been sitting in a yard for 10 years or so. put a new carb on it fresh gas in the tank plugs wires cap rotor points condenser ext. it fires and runs great except when you put the thing into gear it runs realy rough and dies if you dont power brake it. put my vacume gauge on it and it doesnt hold constant vacume. its running about 15 but it isnt keeping steady. almost like a intake valve or what not. well guys what do you think