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#1
02-27-2007, 06:23 AM
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Spark Plug Question
I am looking for what heat range plug to start with in a motor I am building for my brother. When we got it it had AC-Delco R44T plugs. It is a 355 SB Chevy, World Torquer heads, straight plug, Flat tops, Solid Comp Cams, Victor JR. probably 750 DP, GM HEI with MSD conversion and coil. I usually use Autolite plugs and am wondering what plug to start with.
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#2
02-27-2007, 06:30 AM
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R43 or R44 is just about right for starters. Personally I would stick with AC Delco over Autolite. I would even run Motorcraft over Autolite
 .Vince
__________________
Here's to you DoC, you will always be here. My project 34 http://www.hotrodders.com/forum/34-...ght=34+progress
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