Quote:
Originally Posted by t vago
so... this mod increases effective combustion chamber volume by removing a section of spark plug thread, thereby lowering efficiency by lowering the compression ratio. Also, there is more of a chance of incomplete combustion, due to the odd shape of the cut-out spark plug with respect to the cylinder head.
I think I'll pass.
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I know but I think I should know the difference.
Update: after 15000 miles running regular unleaded. Just ok.
