I have run Manley Hemi 6.965 h beams, molnar in 6.860 with 2.2 rod bearings, and now 7.10. all with 880 hp to 926 hp, all seeing 7400 trap and a few burnouts that hit the limmiter at 7600+. 4.50 bore pistons. No issues. All 2000 bolts. Never a problem.

8..603 156 mph best, 2905 lbs 549, indy 572-13, alky