Read my plugs
#21
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The more boost and/or cam you use, the less exact it is.
Now, that said,once you get the motor to run exactly how you wan, everywhere, you not what those measurewd A/F's are and use that to see if anything changes later on.
It's a tool, pretty damn good tool, bu hardely anabsolute..
All my opinion with some fast thrown in.
#22
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Sorry guys...alot of my butons are sticking. I think some poppyseeds / sesameseeds from my bagels this week-end got jammed under a bunch of buttons...Especially my T buton and space bar.
LOL.
LOL.
#24
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Would you believe I had 4 egg sandwiches and 7 bagels ?
I don't eat breakfast all week. I load up on the weekends. LOL.
You should see my keys roll than crack.
Definately seeds.
I don't eat breakfast all week. I load up on the weekends. LOL.
You should see my keys roll than crack.
Definately seeds.
#26
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Join Date: Jan 2006
Location: wisconsin
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Dan, I have yet to have a tech guy come. Its been over six months since I got my Vette. Should I call the dealer or does GM send the techs out? If its GM, do you have the number for them?
#30
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I do agree a plug reading can give a good indication of the heat range, timing, aluminum speckles, etc.
I just will not, in this day and age, tune a high performance marine engine, looking at plugs. A basic 400hp deal, maybe. But certainly not going to build a 700,800,900, 1000hp + pump gas marine engine, and go out "plug reading", trying to get the ideal timing and fuel mixture. I remember back in the days before guys would use widebands, whether on the water, or even the dyno, and many many times, engines were being pulled due to carnage. Thats why in this hobby, 15-20 years ago, very few running around with a pair of 1000HP pleasure use marine engines. Now, its the norm.
I just will not, in this day and age, tune a high performance marine engine, looking at plugs. A basic 400hp deal, maybe. But certainly not going to build a 700,800,900, 1000hp + pump gas marine engine, and go out "plug reading", trying to get the ideal timing and fuel mixture. I remember back in the days before guys would use widebands, whether on the water, or even the dyno, and many many times, engines were being pulled due to carnage. Thats why in this hobby, 15-20 years ago, very few running around with a pair of 1000HP pleasure use marine engines. Now, its the norm.