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 Spark Plugs 

Spark Plugs
Autolight 13%  13%  [ 5 ]
NGK 47%  47%  [ 18 ]
Bosch 0%  0%  [ 0 ]
Champion 34%  34%  [ 13 ]
Other 5%  5%  [ 2 ]
Total votes : 38

 Spark Plugs 
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Joined: Sat Jul 09, 2011 12:13 pm
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Post Spark Plugs
I know there lawnmower engines, but what plugs is everyone running?

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Mon Jun 24, 2013 7:37 pm
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Post Re: Spark Plugs
autolite app3923's


Mon Jun 24, 2013 7:38 pm
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Post Re: Spark Plugs
Champion, unless the parts house is sold out, then the Autolites

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Mon Jun 24, 2013 7:53 pm
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Post Re: Spark Plugs
autolite 3923

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Tue Jun 25, 2013 1:57 am
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Post Re: Spark Plugs
Champion, they seems to give back the better reading to me also (rich, lean) Tried NGK but they "looked" lean no matter what.

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Tue Jun 25, 2013 3:57 am
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Post Re: Spark Plugs
Champion rc12yc

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Tue Jun 25, 2013 4:04 am
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Post Re: Spark Plugs
What number for NGK's are they platinum or iridium?

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Tue Jun 25, 2013 12:21 pm
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Post Re: Spark Plugs

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Tue Jun 25, 2013 1:21 pm
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Post Re: Spark Plugs
I'm running NGK's but can't say they're better for any reason. That's just what the store had for my motor.

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Tue Jun 25, 2013 8:30 pm
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Post Re: Spark Plugs
I'm running the AutoLite AP 3923's but was wondering about playing with the Pulstar plugs... anyone have any intel. on them?

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Sat May 01, 2021 4:26 pm
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Post Re: Spark Plugs
i did some research on the pulstars and got excited. i have a set here that i have used in a few different engines on dyno. i have yet to be able to see a measurable difference in power,,,, but who knows, your experience may be different


Sat May 01, 2021 9:05 pm
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Post Re: Spark Plugs
well if that's the case,,, I'll save my money and stick with the 3923's... Thanks brother

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