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| Spark Plug options for a 12:1 Engine https://slantsix.org/forum/viewtopic.php?t=38850 |
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| Author: | Greg Ondayko [ Mon Feb 01, 2010 2:07 pm ] |
| Post subject: | Spark Plug options for a 12:1 Engine |
Pretty much what the Subject line says I think I want to use some ngk race plugs Any good known part #'s for a non peanut head for a 12:1 No boost no nitrous engine? Greg |
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| Author: | Exner Geek [ Mon Feb 01, 2010 5:47 pm ] |
| Post subject: | |
I have always used Autolite 63s with good results. |
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| Author: | Charrlie_S [ Mon Feb 01, 2010 6:31 pm ] |
| Post subject: | |
Quote: I have always used Autolite 63s with good results.
I have had good service from Autolites, also. However, Autolite has been shifting production to China, so look at the box, to see where the plugs were made. I would use made in USA, maybe made in Mexico, but never made in China.
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| Author: | Shaker223 [ Mon Feb 01, 2010 6:48 pm ] |
| Post subject: | |
Quote: Quote: I have always used Autolite 63s with good results.
I have had good service from Autolites, also. However, Autolite has been shifting production to China, so look at the box, to see where the plugs were made. I would use made in USA, maybe made in Mexico, but never made in China. |
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| Author: | madmax/6 [ Mon Feb 01, 2010 9:00 pm ] |
| Post subject: | |
Great question cause our builds are so very similar,I do want to push mine closer to 12.5 but the plugs probably should bee the same.On kinda the same subject what is recomended for a 10.7 motor?Guzzi Mark |
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| Author: | Dart270 [ Tue Feb 02, 2010 6:33 am ] |
| Post subject: | |
I use NGK V-powers in my stuff. GR5 is 2 heat ranges colder than the stock recommended GR4. Heat range is reversed --> higher number = colder. I run GR4 or GR45 in my current engines. I'm no expert, and have never had anything over 11:1, just my 2 cents. Lou |
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| Author: | Romeo Furio [ Tue Feb 02, 2010 7:38 pm ] |
| Post subject: | Plugs |
I run RN9YC OLD CHAMPION # .Cross to your favorite brand. I have the Race Hemi plug # at the shop .Not sure of the Brand but for a 14 to 1 engine. I will get that for you for comparison. |
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| Author: | Romeo Furio [ Wed Feb 03, 2010 11:14 am ] |
| Post subject: | Plugs |
The Champion race plug # N59YDR or #N61YDR |
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| Author: | Greg Ondayko [ Wed Feb 03, 2010 1:18 pm ] |
| Post subject: | |
cool. Thanks for the info. I Will be going with NGK - I really like them and I have do do a bit of research on them but I can probably get it fired on some old plugs from the dart for now. Greg |
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| Author: | Romeo Furio [ Wed Feb 03, 2010 3:25 pm ] |
| Post subject: | Plugs |
I use the Champion # because I had a chart. FYI I had thought about the new E3 plugs so I looked them up and they use the same plug # for all the heat ranges From N9Y to N17Y. So I questioned them on how could this be in their Tech Forum and got no responce. Guess they don't really want to sell sparkplugs. |
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| Author: | SlantSixDan [ Tue Feb 23, 2010 8:12 pm ] |
| Post subject: | Re: Plugs |
Quote: new E3 plugs
Gimmicky trash from China. It's all sizzle, no steak. All hat, no cowboy. All litterbox, no cat.
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| Author: | Greg Ondayko [ Wed Feb 24, 2010 6:11 pm ] |
| Post subject: | |
Yes Guys I dis use some of those Champions in the dart a while Back. I have been doing a lot of research on spark plugs.com, I have a finewire irridium NGK heat range 9 in the dart from over the summer. ET's went down. .06 Seconds and Picked up 4mpg using thsis plug vs other stuff. I got some NGK fine wires for the Ruster Engine too. Just one heat range colder NGK 10 - Should be good - We'll see. I can supply Part / stock #s if anyone cares. Greg |
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| Author: | madmax/6 [ Fri Feb 26, 2010 6:35 pm ] |
| Post subject: | |
Per Mikes suggestion,I am going to run R-5672A-9s, NGK.same engine combo as yours.Guzzi Mark |
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| Author: | Greg Ondayko [ Fri Feb 26, 2010 8:04 pm ] |
| Post subject: | |
Yes Mark, I talked to mike on the Phone last night. He told me about those too. Thnaks for the post. Get that motor movin before vegas Man or loose a six pac to doc! Greg |
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| Author: | madmax/6 [ Fri Feb 26, 2010 9:23 pm ] |
| Post subject: | |
Pulling motor out Sunday,have to change droplink,and going to modify k member.Will be fitting my borrowed rockers and make a dummy push rod for measurement,and send it to get some made.Depending on push rods I want to run the car next thurs with new motor.Will report.Mark |
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