spark plug heat range selection
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I'm running a 572 Merlin, Edlebrock Aluminum Heads, 6 lbs boost, 871 blower, dual 850 Holleys, 8.5 compression, Lighting Headers, MSD. Curently using NGK R5672A-8, are these the right plugs? Thanks
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Thanks for your help
Last edited by supermx96; 05-21-2013 at 05:35 PM.
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The engine is 454 gen 6 .060'' overbore,B&M 250 blower, Edelbrock Performer rpm alumium ported head, hyd roller camshaft, comp ratio is 8:1, JE flat top piston, .039'' thick head gasket .008'' deck height, twin QFT 850 carb with pv boost ref, boost for now is 5lb but i would like to go at 7-8lb of boost, timing is set at 32 deg full in at 4000 rpm for now, I will control the timing with a map sensor probaly next week, I would like to see 34-35 in cruise no boost and 30-31 at 7-8 lb boost.
Thanks for your help
Thanks for your help