I checked and the compression height is 1.633

So would 4.5 stroke, 6.8 rod, work? I come with .042 in the hole.

Would it be ok with a 7.48 counter weight? What about bdc?

Thanks

72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.