Post 11 second small block combos

340 flat top pistons 591/595 roller cam M1 intake W2 heads 850 holley 4.56 dana 4000 stall Precision Industries 9.5" converter -engine built by Brian @ IMM engines -first time out this past weekend went 11.50 11.53 11.55 It was 92 degrees and 90% humidity Went 2 rounds - I think she has got some more in her -1.66 60' times and 117 MPH - the engine pulls unreal @ the top end