Advance timing on stock 61X?

[550headache]

So I’m getting ready to put my Jetnetics flywheel on my 61X. I used to advance timing a dimes width on all my 550 motors. Should i leave it be or give it a little advance?
Motor is bone stock for now with 150psi in each cylinder. It does have AM flame arrestor on it. Would it hurt to bump up the timing? I know it made a mild improvement on the underpowered 550 motors! Didn’t find much in a search......
This is going in a 550 hull with a kawi 750 pump.

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[TheBuzzard]

Every mm of advance is about 1 degree. Not exactly but close enough to eyeball a few degrees. Some kawi 750 800 advance plates or the jumper wire is 6 degrees so 4 or 5 might give you something off the bottom

 

[yamanube]

Do it, 3mm is good.

 

[550headache]

Cool. Thanks guys. Ill measure up some stuff and try to get close to 3mm and use that for reference.


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[john zigler]

Yes advance a few mm is good....