Thread: Help me out, thinking weird again

Tweet

First DynoSim, more to come.
4.155" X 3.250" small block Chevy (352 cubic inches).
6.209" rod length
12.5:1 static compression ratio, E85 fuel
Brodix -10 heads
Max-Flow tunnel ram mounting two 650's
Large tube, stepped race headers
Crane solid roller #118581, 240/248, 0.543"/0.561", 110 LSA, timing events @0.050" 15/45/59/9, retarded 2 degrees
RPM HP TQ
3000 252 441
3500 319 478
4000 397 521
4500 479 559
5000 544 572
5500 595 568
6000 640 560
6500 670 542
7000 669 502
7500 659 462
8000 626 411
Peak volumetric efficiency 124.3% @6500
Peak BMEP 248.1 @5000

Everything the same, except swapped in a Lunati #60133, 249/255, 0.585"/0.600", 110 LSA, Timing events 18.5/50.5/61.5/13.5, retarded 2 degrees. This cam makes less power than the previous one until 5500.
RPM HP TQ
3000 234 410
3500 297 446
4000 376 493
4500 461 538
5000 540 567
5500 600 573
6000 645 564
6500 680 550
7000 693 520
7500 681 477
8000 657 431
Peak volumetric efficiency 126.1% @6500
Peak BMEP 245.0 @5500

I knew there was 700 hp in this combo, I just had to find the right cam to get there. Swapped in a CompCams #12-900-9, 252/258, 0.630"/0.630", 106 LSA, timing events 20/52/55/23, retarded 2 degrees.
RPM HP TQ
3000 237 414
3500 299 448
4000 380 499
4500 466 544
5000 546 573
5500 621 593
6000 663 580
6500 698 564
7000 700 526
7500 688 482
8000 671 440
Peak volumetric efficiency 119.2% @6500
Peak BMEP 253.7 @5500