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  #1  
Old 10th August 2007
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Default What spark plugs do use and why

So just curious what spark plugs people like to use and the gap settings and why?

I use NGK B6HS gapped @ 30 because they seem to go longer between fouls

Thanks
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Old 10th August 2007
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I am not sure what I use. I haven't even had them out since I bought my 68. I am curious to see what is used here.
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Old 10th August 2007
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whatevers on hand and is the right heat range
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Old 10th August 2007
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Used the HD plugs this go 'round. Tried the NGK in the BT and they worked great for a little while 'til I realized they run a range hotter in the motor.

You running a cooler range on the sporty or are those what the NGK book called for????
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Old 11th August 2007
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Quote:
Originally Posted by snowman View Post
You running a cooler range on the sporty or are those what the NGK book called for????
They are what are called for
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Old 11th August 2007
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i put ngk's in my 05 and they run hotter than h.d.'s my old plugs were still in good shape so i put them back in. when i change them i'll go 1 step colder in ngk.
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Old 11th August 2007
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Autolites cuz they're good and cheap......
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Old 11th August 2007
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I always ran Champion plugs in my bikes for years....no complaints.

However. I've been running Accel 2401A U-Groove for Harley B/T Panhead/Shovelhead Models 1948-1975 in my 1974 XLCH.

In my 5th season on the same plugs. Absolutely no problems...never fouled and fires first kick just about every time.

I run them with the Accel (Made In America) black wires. Forgot what MM they are.

I just replaced the 5 year old Accel (Made In America) points. I Decided to go with a set of Blue Streak H.P points and condensor (Made In America).....EXCELLENT SO FAR.

Funny thing about the Accel Plugs...they're Made In Japan...the rest of the Accel stuff was/is Made in America. Hrdly
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Old 11th August 2007
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4123 Autolites. Cheap and don't foul.
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Old 11th August 2007
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Spark Plug Gap:
correct gap for electronic ingition is 040
correct gap for points ignition is 030

I use NGK BPR6HS. I have never seen any negative comments about NGK plugs. The others, Champion, SplitFires, etc, all seem to be controversial for one reason or another.
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