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Ignition-Centrifugal Advance Curve

Old Marine Engine » Gray Marine Gas Engines - 4, 6, and 8 cylinder » Ignition-Centrifugal Advance Curve « Previous Next »

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Roman Traber
New member
Username: swiss_graymarine

Post Number: 3
Registered: 01-2014
Posted on Sunday, June 22, 2014 - 03:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I am restoring a 1959 6 Cyl. Graymarine Model 116. To check the centrifugal advance of the distributor, I am searching for the advance curve data. The distributor is an Autolite IAY 4013A-3P.
I already installed the distributor on a test stand and found out that the centrifugal advance ends at 8(Distributor Degree) at 750 RPM (Distributor RPM). This RPM seems to be very low. Has anybody data regarding ignitions of these days? Any help would be very welcome.


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