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Dwight Southerland · 12-31-2012, 02:27 PM

Considering the myriad of combustion chamber designs coupled with an almost infinite variety of piston tops and adding in the countless bore-stroke-compression ratio-valve size combination and then the many ignition systems and spark plug designs, there is no hard a fast rule. If you want to know if it works, try it. Keep good records.

12-31-2012, 02:27 PM	#4
Dwight Southerland VIP Member Join Date: Dec 2001 Location: Arkansas - In the middle of everything. Posts: 2,001 Likes: 64 Liked 780 Times in 194 Posts	Re: Spark Plug Indexing Considering the myriad of combustion chamber designs coupled with an almost infinite variety of piston tops and adding in the countless bore-stroke-compression ratio-valve size combination and then the many ignition systems and spark plug designs, there is no hard a fast rule. If you want to know if it works, try it. Keep good records.