Thread: What spark plugs do you use?
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05-19-2007 08:39 PM #1
Originally Posted by Dave Severson
Walk through any pits with an engine that costs a few bucks and 8 out of 10 guys have the NGK plugs at least the guys that win do.
We run the plugs that cost $1.89 and can't tell any difference in the dyno room or on the track over all the other hi dollar plugs.
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05-19-2007 09:00 PM #2
Indexed split fire, been using then since they came out with good results, back em with a 6AL.Objects in the mirror are losing
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05-20-2007 06:38 AM #3
Originally Posted by DennyW
I will say some of the plugs that use the "trick" materials may last longer but I doubt they make any more power.
The hi-dollar plugs will actually make your ignition system work that much harder when you try to lite it all off.
Keep in mind electricity always tries to follow the path with the least resistance which might mean with a cheap or stock ignition system you might loose hp in the higher rpm area do to the ignition system having to work that much harder.
The Split-Fire plug is nothing but a clever marketing scheme.
I showed one of these to my Dad when the first came out and he dug around in the top of the old tool box and found a plug from the early 60's that looked much like the Split Fire's.
Denny we really need to work on your sense of humor I think it might be starting to slip again.
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05-20-2007 12:35 PM #4
Originally Posted by DennyW
You are not going to tell me you can feel it in the seat of your pants now are you?
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05-20-2007 02:27 PM #5
Originally Posted by DennyW
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If you say you can feel the difference the I will have to take your word for it.
I have only done this for 20+ years you have done this for more than 30 years and I could never tell any difference by the seat of the pants by trying different plugs un-less we had the totally wrong ones in there.
I.M.O.,this is something only a dyno could tell.
For all you new guys to engine building there is no such thing as a "magic spark-plug".
The gains are a very small amount and the guy on the street does not need to go out there and spend $7.00 a piece on spark -plugs.
John's ride to the cemetery, his beloved Billings OK bus, The Baby Elephant!! Traveling in style!! As his service was starting I couldn't figure out what the music was, heavy on a flute in a jaunty...
John Norton aka johnboy