Ignition System type
Fleet Owner
Joined: Aug 2005
Posts: 23,666
Likes: 301
From: Easton,Ks
It has an EEC-IV.
You also have the Push-Start Ignition system.
Attachment 279104
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You also have the Push-Start Ignition system.
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Laughing Gas
Joined: Jan 2012
Posts: 1,106
Likes: 25
Thanks for replies guys, quick question, do all spark plug manufactures use they same standard to determine heat ranges?
I ask because I'm trying to experiment with creating a hotter spark using 0 ohm wires and non resistor plugs.
I bought some Accel 276S plugs (non resistor) with a heat range of 6 but had to return it back to the NGK UR45 (resistor) with heat range 4 because it was acting like it had a misfire.
After keeping the 0ohm wires and NGK UR45(resistor) plugs it runs fine, so the only thing I can think of is the heat range is different.
I ask because I'm trying to experiment with creating a hotter spark using 0 ohm wires and non resistor plugs.
I bought some Accel 276S plugs (non resistor) with a heat range of 6 but had to return it back to the NGK UR45 (resistor) with heat range 4 because it was acting like it had a misfire.
After keeping the 0ohm wires and NGK UR45(resistor) plugs it runs fine, so the only thing I can think of is the heat range is different.
Cargo Master
Joined: Nov 2009
Posts: 2,190
Likes: 620
No, all spark plug manufacturers indicate their heat ranges differently. I don't recall which is which. But generally speaking, you shouldn't need to be messing with heat ranges, unless you're getting oil or fuel fouling. A "Hotter" spark plug has *zilch* to do with the spark the plug produces. It's basically an indication of the heat range at which the spark plug will remain "self-cleaning" and not load up.
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Laughing Gas
Joined: Jan 2012
Posts: 1,106
Likes: 25
I was thinking the heat range was effecting the performance of the new non resistor plugs I tried running, but it looks like non resistor plugs in these trucks are a no no, either that, the anti seize I used on the threads was causing the misfire.
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