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Greeting from the uk 🇬🇧 I’m looking for recommendations for timing numbers for a 372xp non-xtorq 50mm. I’m running full house chisel chain on a 24” bar (might go 28”) with a 7 pin sprocket. Currently I’m at 100 exhaust opening and 154 intake duration with no base gasket. Squish is 30-35 thou I...