| [GMCnet] Onan Timing [message #183767] |
Sun, 09 September 2012 13:31  |
Gary Bovee
Messages: 177
Registered: August 2008
Karma:
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Senior Member |
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I have a 6 KW Onan in my 1978 Royale. The Onan manual shows the timing setting at 25 degrees BTC. I have the flywheel off and found two stamped markings. One is stamped 0 and the other is stamped 20. There is no 25 degree mark. My question is why is there a 20 degree mark, but no 25 if that is what I am suppose to be setting the timing to? Ready to install my Pertronix ignition, but confused as to what to use for a timing mark. What have others found or done?
Any info would be much appreciated.
Gary Bovee
1978 Royale by Coachmen
Red Bluff, CA
Idiot's Internet Guide to Finding 1973-1978 GMC Motorhome Information
Alternator & A/C Belt Tensioner Adjustors
http://www.gmcidiotsguide.com
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