| onan plugs and wires [message #314690] |
Wed, 15 March 2017 22:28  |
davidlive
Messages: 143
Registered: November 2011
Location: Simi valley, Southern Cal...
Karma: -1
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What is the correct plug for a 6k unit ?
Mine had Champion RH18Y
is the Denso W14-U what onan recommends ?
When i go up to the autopart store they cross reference E3.10 plugs ?
and gmcmotorhome.info says he's using champion 844-1 ?
and the wires i just want to keep it cheap, any thoughts on which ones?
the autopart store wanted to sell me a single perfomance wire for like 45 bucks (OUCH)
Thanks David
78 Royal #749
74 #136
Oversteer is when you hit the wall with the rear of the car, understeer is when you hit the wall with the front of the car. Hp is how fast you hit the wall, and torque is how far you take the wall with you when you hit it.
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| Re: onan plugs and wires [message #314703 is a reply to message #314690] |
Thu, 16 March 2017 08:20  |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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The Autozone near me has all kinds of single wires in stock at $6.59. Get 2, cut them to length, and install. They have both 7mm and 8mm diameter wires in stock.
Or visit your local junk yard and grab a few probably for free.
Be sure to be check them for continuity before installing. Especially on used ones. The readings should be a few thousand ohms and different depending on length. After they are installed read them again from one spark plug wire end to the other spark plug wire end. Again there needs to be continuity and the reading should be approximately the sum of the two readings that you took of each wire before.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: onan plugs and wires [message #314705 is a reply to message #314690] |
Thu, 16 March 2017 08:36 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Remember to gap both plugs to .020 not your typical .030 or more. I use same AC plug as in 455. Ditch the old carbon wires that deteriorate with use and time. I had some experience with wires as we reproduced the original GM Suppression 1 through 6 numbered sets for the Buick GN in latest grey Magcore stock. Had to print 10,000' of each. For Onan I used some early plug wire samples and cut off the plug end. The coil end 90 then fits the Onan plug and you cut to length at the coil end (per Matts suggestion) The coil tower pierces the center conductor. The Buick wires are 8mm and fit the coil but the thread on glans won't fit. I sealed that with 3M electrical tape to test and still good. I suggest using 7mm wires where the glans and O ring should fit and tighten down. I have been meaning to make and sell wire sets but the MOQs are so high I'll have my money tied up forever. Runs noticibly better with Magcore wires and starts instantly.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: onan plugs and wires [message #314706 is a reply to message #314690] |
Thu, 16 March 2017 08:51 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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From the wire building and SAE spec testing program I learned not to try to terminale wires at home. The factory machines do a way better job. Any scratches in the inside of the boot from sliding over the connectors are a potential moisture and oil intrusion point and spark leakage point getting worse over time. The machines do a perfect crimp, then fingers stretch the boot so it is not scratched inside while going over connector. A case where hand crafted is worse!
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: onan plugs and wires [message #315027 is a reply to message #314705] |
Wed, 22 March 2017 19:52 |
SpookyEng
Messages: 208
Registered: June 2016
Location: Navarre, FL
Karma: -5
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John,
Maybe you could do a group buy type thing, where folks commit to buying a set or two up front. I know I would buy two sets to renew mine and have good high quality spares.
JD Lisenby- USAF Ret
1978 Royale-455
MacDash, Manny Tranny, FI-tech, 3.70 etc etc
Navarre, FL
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| Re: onan plugs and wires [message #315061 is a reply to message #314690] |
Fri, 24 March 2017 08:46 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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I don't see how those ebay wires will fit the Powerdrawer as the coil end should be unterminaterd. The coil ends are pierced by a spike in the coil tower and then the threaded insulator and Oring tightened down. If you cut one end off those wires they may be too short. Not sure. Plus they are probably carbon suppression, nostalgic but not current tech and degrade as they are used as carbon.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: onan plugs and wires [message #315062 is a reply to message #314690] |
Fri, 24 March 2017 09:08 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Actually, copper core (hotrod) wires will work best, especially in a marginal system such as the Onan. They will however wipe out AM radios for a distance. When I have to replace mine, I'm going to see if I can find a couple of aviation wires, which are copper core with a metal braid shield around the outside. I bet they'd make it easier starting without acing out everyone's radio and TV for five or six spaces around the coach.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] onan plugs and wires [message #315064 is a reply to message #315062] |
Fri, 24 March 2017 09:56 |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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You might wish to check to see if Magnecor sells replacements for Onans.
http://magnecor.com
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~ ~ D C "Mac" Macdonald ~ ~~
~ ~ Amateur Radio - K2GKK ~ ~
~ ~ Since 30 November '53 ~ ~
~ ~ USAF and FAA, Retired ~ ~
~ Member GMCMI and Classics ~
~ ~ ~ Oklahoma City, OK ~ ~ ~
~~ ~ ~ "The Money Pit" ~ ~ ~~
~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
~ ~ ~ '76 ex-Palm Beach ~ ~ ~
~~ k2gkk + hotmail dot com ~~
~ www.gmcmhphotos.com/okclb ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
______________
|[ ]~~~[][ ][]\
"--OO--[]---O-"
________________________________
From: Gmclist on behalf of Johnny Bridges via Gmclist
Sent: Friday, March 24, 2017 09:08
To: gmclist@list.gmcnet.org
Cc: Johnny Bridges
Subject: Re: [GMCnet] onan plugs and wires
Actually, copper core (hotrod) wires will work best, especially in a marginal system such as the Onan. They will however wipe out AM radios for a
distance. When I have to replace mine, I'm going to see if I can find a couple of aviation wires, which are copper core with a metal braid shield
around the outside. I bet they'd make it easier starting without acing out everyone's radio and TV for five or six spaces around the coach.
--johnny
--
76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
"I forgive them all, save those who hurt the dogs. They must answer to me in hell" - ol Andy, paraphrased
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| Re: onan plugs and wires [message #315065 is a reply to message #315061] |
Fri, 24 March 2017 11:00 |
mghamms
Messages: 466
Registered: March 2016
Location: Ware, Massachusetts
Karma: 2
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Sorry I didn't notice the insulators may not work as you said.
1977 Kingsley 455 as stock as it gets except lots of Ragusa parts
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| Re: onan plugs and wires [message #315131 is a reply to message #314690] |
Sun, 26 March 2017 19:33 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Senior Member |
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If the ling ine is long enough then you could cut to length. But has no ingo on construction type. Might be old carbon type.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: onan plugs and wires [message #315142 is a reply to message #314690] |
Mon, 27 March 2017 08:05 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Senior Member |
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Great OEM find! Thanks for the info. Sounds like non suppression wire? Not a problem for the Onan but may cause static on weak AM stations etc. Not sure how other digital devices would be affected if at all. Even if you had EFI the proximity is so removed it should not matter, but you never know.
John Lebetski
Woodstock, IL
77 Eleganza II
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