i go .022" on the top and .020" on the second. Don't want to run them to tight. more of a gap is better than not enough. Or you can just take your bore size and multiply it by .004 for a naturally aspirated motor.
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2000 SS M6 black SLP package, spec stage 2 clutch, RAM billet steel flywheel, BMR sub frames, Lakewood LCA, Random Tech. Adj torque arm,
1986 Camaro, 383 stroker, scat forged bottom end, diamond 11:1 pistons, 220 motown heads, bullet solid roller cam. Crower HIPPO lifters,RMVB TH 350, ATI 8"converter, S60 W/ 4.11gears and locker. All Spohn suspension. TRC 950 Carb.
1966 Chevelle 427 4 speed | 
SBC 383 Rings 
