| [GMCnet] Pettonnix Electronic Ignition for the Onan [message #180924] |
Mon, 20 August 2012 09:35  |
Gary Bovee
Messages: 177
Registered: August 2008
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Is there a consensus on which is the best Pertronix electronic ignition to use to convert the Onan to electronic ignition? I have read in the past that several different models have been used. Do they all come with magnets? If not, where do you get the magnet?
Thanks for any input.
Gary Bovee
1978 Royale by Coachmen
Red Bluff, CA
Free - Idiot's Internet Guide to Finding 1973-1978 GMC Motorhome Information
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| Re: [GMCnet] Pettonnix Electronic Ignition for the Onan [message #180932 is a reply to message #180928] |
Mon, 20 August 2012 11:20  |
Mr ERFisher
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Registered: August 2005
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Depends on letters after the number
Gene
FREE WIFI @ Mickey D
On Aug 20, 2012, at 8:23 AM, Larry Davick <ljdavick@comcast.net> wrote:
> I know that the Pertronix 1181 has been used in the past. It comes with a plastic ring and 8 magnets.
>
> Larry Davick
> A Mystery Machine
> 1976(ish) Palm Beach
> Fremont, CA
>
> On Aug 20, 2012, at 7:35 AM, Gary Bovee wrote:
>
>> Is there a consensus on which is the best Pertronix electronic ignition to use to convert the Onan to electronic ignition? I have read in the past that several different models have been used. Do they all come with magnets? If not, where do you get the magnet?
>>
>> Thanks for any input.
>>
>> Gary Bovee
>> 1978 Royale by Coachmen
>> Red Bluff, CA
>> Free - Idiot's Internet Guide to Finding 1973-1978 GMC Motorhome Information
>> Alternator & A/C Belt Tensioner Adjustors
>> Headlight & Turn Signal Reminder Alarms
>> http://www.gmcidiotsguide.com
>> _______________________________________________
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Pettonnix Electronic Ignition for the Onan [message #180944 is a reply to message #180924] |
Mon, 20 August 2012 13:35 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
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| Gary Bovee wrote on Mon, 20 August 2012 10:35 |
Is there a consensus on which is the best Pertronix electronic ignition to use to convert the Onan to electronic ignition? I have read in the past that several different models have been used. Do they all come with magnets? If not, where do you get the magnet?
Thanks for any input.
Gary Bovee
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Gary,
I personally believe that 1181 was chosen by many because it is the number for a 455 pre '76. You do not want anything XXXXLS because those are "Lobe Sensors" and then you don't get the magnets in a plastic ring. I don't think this number is the easiest to mount.
Best bet is see what you can find cheap on E-Bay (or other source) and then go to http://pertronix.com/about/images/default.aspx and find the picture and think about how and where you will put it without screwing up the air flow around the flywheel/fan.
Those mounted on a semi- or circular plate often have the sensor side in and the feet toward the same side. This can make the Onan adaptation more difficult. Look at the 1261 picture. See the mounting foot clearly away from the sensor face? That will work. (I am not suggesting the 1261 is a better choice, just that there are choices.)
Remember when setting this up that the fan may not be true. Be sure you pick a blade for the magnet mount that is high enough so other blades won't hit the sensor.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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