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08-21-2008, 12:41 PM
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My 434 ci sbc set up and numbers
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 Last edited by nhrata; 08-22-2008 at 05:06 PM. Reason: typo 
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