Plugs change
Mine are also, it gets worse the higher the octane fuel I use especially it being leaded fuel, but with pump gas it really doesn't get too bad. I would think E85 would be the same way.
As an FYI to guys planning on going racing on bigger nitrous hits....
I ran the YB.com race, tested on Thursday and Friday,....I went through 24 plugs @$3.10/ea
(anyone got a better price on Autolite AR472s??)
I ran the YB.com race, tested on Thursday and Friday,....I went through 24 plugs @$3.10/ea
(anyone got a better price on Autolite AR472s??)
That is ridiculous at 3.10 each. I pay 1.75 for my NGK's when I buy 8 of them and pay 1.52 a piece when we buy more than 100 plugs at a time.
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Lean it out at idle and pump a few degrees in below 1500. seems to really help burn the crud off and make the plugs last.
Switch to the NGK we get them for around $2 a plug. easier to read and will melt before your head...
Wayne dont think Ive taken the strap off the Autolite yet....
Does NGK have a tapered seat B10 plug? I have rounded the corners of the strap on B9's in the #2 hole... even with 2.5 degrees out on ICT
Does NGK have a tapered seat B10 plug? I have rounded the corners of the strap on B9's in the #2 hole... even with 2.5 degrees out on ICT
The NGK straps are like fuses.
Pretty sure they make all the way up to #11 in tapered seat.
I don't think they make a tapered seat colder than a -9 but I could be wrong.
You know you can run a gasket seat in a tapered seat head right? Usually takes a extra 1/4 turn to crush the gasket and you've got the same reach as a tapered would.
If you've got a spare head laying around try it out yourself.
You know you can run a gasket seat in a tapered seat head right? Usually takes a extra 1/4 turn to crush the gasket and you've got the same reach as a tapered would.
If you've got a spare head laying around try it out yourself.
