Rowdy /6 Timing Curve Recommendations
Timing is advanced only to get maximum pressure when the maximum leverage is on the crank.
More timing is not always good. Its simply neccessary because fuel takes time to burn. A faster burning combustion doesn't need to be ignited as early as a slow burning mix.
Timing is increased with rpm because the time (in fractions of a second) to burn doesn't increase as fast as the time available befoer the piston has moved down.
That's it in nutshell.
When you are experimenting, especially with a manual transmission, you can experiment with 'crutching it' higher intial using manifold vacuum like Charlie did.
When switching to electronic, try to find a distributor that is close to what you want. Check out this '78 /6 curve.
Timing is advanced only to get maximum pressure when the maximum leverage is on the crank.
More timing is not always good. Its simply neccessary because fuel takes time to burn. A faster burning combustion doesn't need to be ignited as early as a slow burning mix.
Timing is increased with rpm because the time (in fractions of a second) to burn doesn't increase as fast as the time available befoer the piston has moved down.
That's it in nutshell.
When you are experimenting, especially with a manual transmission, you can experiment with 'crutching it' higher intial using manifold vacuum like Charlie did.
When switching to electronic, try to find a distributor that is close to what you want. Check out this '78 /6 curve.
