[nhrata]

Short block info (8.990 deck 4.155 bore 1670 gram bob weight)
Dart little M block with steel main caps
Scat billet crank 4.00 stroke
Scat 6" H beam rods with L19 rod bolts
Wiseco 13.9 to 1 custom pistons
Comp cams 12-970-9 679/645 lift, 279/286 @50 on a 108

Heads
Allpro RR227WSP with 390 cnc port program 249cc intake runners 66 cc chamber 2.76min. csa. valves are rolled 1.5 deg and the head is rolled 1.0 deg so the head now has a valve angle of 20 deg. also has a dowel shift toward intake of .085
heres the flow numbers
2.125 intake 1.625 exhaust @28 hg
.100 79.65 x 65.00
.150 112.10 x 91.00
.200 146.03 x 117.00
.250 184.38 x 141.38
.300 214.17 x 167.38
.350 244.26 x 191.75
.400 274.36 x 211.25
.450 295.54 x 225.88
.500 314.40 x 237.25
.550 330.91 x 245.05
.600 345.05 x 251.55
.650 352.13 x 256.75
.700 355.27 x 260.00
.750 358.34 x 267.80

The intake is a Elderbrock 2949 super victor with a 4500 adaptor fully ported
stage 9 biggs performance 1050 dom

peak hp 720.2 @6800
peak torq 605.3 @5800
avrg hp 692.06
avrg torq 583.21
avrg bsfc 0.440
Average results from 5500rpm to 7000

It has such a flat power curve
thanks tim