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Old 01-16-2010, 06:03 AM
red65mustang red65mustang is offline
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good point,,,I should have written "facing the carb" left is ported/timed....
rule #1: assume nothing!!!
I did assume he was facing the carb (and the illustration is facing the carb)

Blue 84,
"assume nothing" includes telling you that you will need a timing light...
I assumed you have one because you referenced base numbers not typically marked on a stock damper....
(there are some aftermarket performance dampers that do have base degrees marked out to 18 so you can be setting the base without a light)

setting up ign timing is not a "tinkering" project at all....
"best" performance setting is darn close to the motor detonation point so you have to do small precise changes steps...
the spark event is only microseconds duration and you are trying to deliver the spark when the piston (which is moving at 100's of feet per second!!!) is at a exact precise location in the bore ATDC...

Last edited by red65mustang; 01-16-2010 at 06:17 AM.
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