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post #1 of 8 Old 05-21-2010, 10:47 PM Thread Starter
Nelson
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2003 TJ Wrangler 
 
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Location: Chicago
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sparks plugs

I have 232 with headers, mild cam, gm HEI ignition. What plugs would you recommend?

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post #2 of 8 Old 05-21-2010, 11:06 PM
kakai81
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1985 CJ7 
 
Join Date: Feb 2010
Location: San Marcos
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Denso, Autolite, or Champion, in that order. With the HEI and good plug wires, gap them to .040-.045.
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post #3 of 8 Old 05-22-2010, 12:11 AM
SlikRic
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1983 CJ7 
 
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Regular Champions have never faled me in my CJ's.

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post #4 of 8 Old 05-22-2010, 12:15 AM
firegod33
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1977 CJ5 
 
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Autolites, here. I've had good results from them in any gas motor I've ever run.

Earth first... We'll Jeep the other planets later.
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post #5 of 8 Old 05-22-2010, 01:31 PM
TropicalNusselt
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1986 CJ7 
 
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I use Bosch Platinum 4+ with both stock and DUI ignition without any problem. Some will say "Impossible".

Raph

TropicalNusselt- 1986 CJ7 w/ 258, T5, D300, D30/D44(3.31:1), Weber 38DGES, DUI, 2.5" Lift, 33" X 12.5" X 16", DC1
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post #6 of 8 Old 05-23-2010, 08:46 AM Thread Starter
Nelson
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2003 TJ Wrangler 
 
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spark plugs

Can any of you give me the Champion spark plug numbers? Aren't they N14y or sometimg like that?
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post #7 of 8 Old 05-23-2010, 10:51 AM
CJ Chet
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1986 CJ7 
 
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I have aprox. the same setup on my 258 (DUI ignition) with Champion 4412's (truck plugs). It's what Champion recommended for my setup. They work VERY well.

'86 CJ7
'04 AEV RUBICON
2015 Grand Cherokee Limited
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post #8 of 8 Old 05-23-2010, 12:20 PM
n00bie
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1986 CJ7 
 
Join Date: Sep 2006
Location: St. Joseph, MI
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I've been running the Autolite XP iridium plugs and they seem to do pretty well. I've had them with the HEI coil and the Holley CD box I'm running.
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