Quote:
popcorn
...sounds mighty tasty right about now 
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| spark plugs https://slantsix.org/forum/viewtopic.php?t=33900 |
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| Author: | Joe Colby [ Sat Feb 21, 2009 8:00 am ] |
| Post subject: | spark plugs |
When I got my 62 225 it came with an extra set of Champion RN14YC plugs. I was going to use them but after reading an excellent article here, Autolight 925 plugs were recommended without gaskets. It's probably a less than perfect question but are plugs all that different on a stock motor and what is the issue with gaskets? I'm going to assume that it's to put the plug further into the center of the combustion chamber. Thanks. Joe |
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| Author: | SlantSixDan [ Sat Feb 21, 2009 10:22 am ] |
| Post subject: | |
You can use the RN14YC plugs, but Champion plug quality has been variably bad over the years and the extended-nose plugs work better. Autolite plugs are now made poorly in China; use NGK ZFR5N instead. '60-'62 heads do use the metal ring washers ("gaskets") on the spark plugs, while '63-'74 heads do not. Tune-up parts and technique suggestions, including a link to the spark plug gasket information, can be found in this thread. |
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| Author: | Joe Colby [ Sat Feb 21, 2009 12:13 pm ] |
| Post subject: | |
Thanks Dan. As always your advice/information is greatly appreciated. I've already gotten the new tube seals and thought I should check before digging in. Glad I did. Thanks. Joe Dan, I'm sending you a PM about a small issue I've got. |
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| Author: | SlantSixDan [ Sat Feb 21, 2009 12:51 pm ] |
| Post subject: | |
PM received, plz stand by for response. |
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| Author: | Joe Colby [ Thu Feb 26, 2009 11:21 am ] |
| Post subject: | |
Dan, are you sure of the NGK ZFR5N plugs?? NAPA looked at me like I was nuts. OK, they always look at me that way but they couldn't cross the number. Thanks. Joe That last PM I sent you, the issue has been settled. |
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| Author: | Pierre [ Thu Feb 26, 2009 11:37 am ] |
| Post subject: | |
Yes, ZFR5N is a good number. NGK uses 2 different numbers, a stock number and a part number. The stock # for ZFR5N is 3459, you may want to try giving your parts store that. |
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| Author: | Joe Colby [ Thu Feb 26, 2009 1:11 pm ] |
| Post subject: | |
Excellent. Pierre thank you. I'll have to have a talk with my NAPA guys. Joe |
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| Author: | tuffone20 [ Fri Feb 27, 2009 12:02 am ] |
| Post subject: | |
Joe, did you talk to them on the phone about those plugs? Cause I picked some up today and when I called the guy first said he couldn't find that number, but it turns out he thought I was saying the last part number was a M and not the N it should be, after we cleared that up he found them and I went and picked them up. |
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| Author: | Eric W [ Fri Feb 27, 2009 1:45 am ] |
| Post subject: | |
Ask for a plug for a '90's Jeep with the 4L 6cyl engine. Should list the ZFR5N plug for them. |
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| Author: | Joe Colby [ Fri Feb 27, 2009 3:02 am ] |
| Post subject: | |
Thanks guys, Again a lot of information. I had talked to the guy with my little piece of paper in my hand with part numbers on it. To be fair, I sometimes can't read my own hand writing and I do tend to mumble. But, these guys are used to me. It's a small town and when you visit them often enough, like once a week, and always ask for weird stuff, like Valiant stuff, they tend to remember you. They always have tried hard to come up with something that will work. Thanks again Joe |
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| Author: | Jopapa [ Fri Feb 27, 2009 5:20 am ] |
| Post subject: | |
To throw another wrench into the discussion here: has anyone yet found a good extended nose plug for '75-up (no drool tube) heads? I know some have been researching it, and I searched with no results but was curious if maybe I just missed something. I've been using the OEM spec NGK plugs since I got my Duster a couple years ago. |
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| Author: | Rug_Trucker [ Fri Feb 27, 2009 9:01 am ] |
| Post subject: | |
Quote: To throw another wrench into the discussion here: has anyone yet found a good extended nose plug for '75-up (no drool tube) heads? I know some have been researching it, and I searched with no results but was curious if maybe I just missed something. I've been using the OEM spec NGK plugs since I got my Duster a couple years ago.
popcorn
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| Author: | Jopapa [ Fri Feb 27, 2009 9:06 am ] |
| Post subject: | |
Quote:
popcorn
...sounds mighty tasty right about now
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| Author: | walpolla [ Thu Mar 05, 2009 5:11 pm ] |
| Post subject: | |
hello, is there any visual method of identifying an early head that needs the spark plug washers left on?  I have read as much about the removal of washers on 63 - 74 heads,bvut I have never seen mentioned how you tell the difference. just the early ones 60 -63. I have no way of knowing what the head on my engine is date wise,just that it is a drool tube type.Someone with a pic perhaps,or point me to an old post.My searches have not really answered that question. Engine is a 225, BTW. using ZFR5N plug.ATM,the washers are still on. I know,I am naughty,but I want to be sure of the plug seat type. the car is a 67 Aussie Valiant,but has had at least 2 engine changes that I know of. regards  ,Rod
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