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I have a 383 stroker with comp cam[***** Thumper] 1.6 roller rockers,TPIs mini ram, 52mm tb ,TPIS headers, HEI/hypertech,2400 stall speed conv. 373 gears. I am going to use ngk fr5 plugs with 8.5mm wires. NEED TO KNOW fuel pressure and plug gap. THANKS