Spark plugs
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Joined: Nov 2007
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Spark plugs
Any one try colder plugs in a big inch hi-comp Twin Cam?Is it necessary and does it cause any error codes with ecm on injected bikes?
Just seems odd that a plug that works in a stock 88" works well in a modified 120.
Mike
Just seems odd that a plug that works in a stock 88" works well in a modified 120.
Mike
Outstanding HDF Member
Joined: May 2007
Posts: 2,304
Likes: 31
From: Florida
RE: Spark plugs
The SE split fire plug is a cooler plug. I have to say though a spark plug just delivers the spark....it will work the same in a 120 mod or a stock bike. Now if you have lots more compression to deal with a coil change would be in line to give the plug more juice to jump the resistence (gap)
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