Timing Dance ! Vacume Advance ?

MOPEkidD-3 said
Want more HP to the wheels? Swap in a 4-speed! :-D

Like moper said, tune it up and once it's running as well as possible start looking at things to swap. What heads do you have currently? If they're stock J's you could probably gain another 75 HP with porting or aftermarket ones. What's your exhaust setup too? Might gain 10-15 HP going from H- to X-pipe, or more if you currently have no crossover at all.
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The heads are stock 360 rebuilt heavy duty and port and polished with the manifold. exhaust is straight no crossover and low ristricted flow master. Can car be daily driver with after market heads , should I do a new post? getting new carb this week.