Technical > Spud Miller's Cave

Timing light for magneto?

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ricardo1967:
I have the Flaming River one, love being self-powered, but definitely not very bright...

wideopen231:
Have used both craftsman and the self powered ones.Both worked fine.

dreracecar:
Never rely totally on your timing light as your sole source for timing your motor. Timing lights are typically D.C. and magnetos generate A.C. They also emit E.M.I. (Electro Magnetic Interference). In general, timing lights with mags are one (1) degree late for every 1000 RPM of engine speed. For best results, use a timing buzzer.

Posted off of Don Zig magneto's web page

FEDNV:
I did get a timing buzzer with my setup but just looking to see if there was a certain kind or brand to use for a quick timing check.

thanks
Scott

dusterdave173:
It is not the engine is perfect on 34 or 36 or whatever--it is a reading you take when you do advance or retard it while Seeking the number the car runs best at--due to many things that number could be anywhere for a given combo--test run until you find what the car likes --then just use the same timing light to keep it there --to me it does not matter if it is off as long as it is the same. My old Sears and an old Mack I bought off Ebay for $6 both read about the same and seem to work great no issues---It was interesting to see if there was a timing light that was sure to work well with a mag but looks like use what ya got
Trust what the engine tells you with ET slips/mph/ plugs  is my mantra

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