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i have a 383, and i want to hit the 450 horepower mark.....i kno this is a pretty broad statement, and i dont kno what heads to buy....my compression ratio is at 10.757:1 with a 67cc head, and i do not want to go over that.
i am running kb 383 claimer pistons 5cc flat tops
.500"/.515" lunati bracketmaster mechanical cam 2500-6500
5.7" eagle i-beams
5140 crank eagle
RPM air gap 1500-6500
and a proform 750

all that is missing are the heads......i want to go cast iron, and keep it under 1000 dollars...im looking at the World S/R Torquers, and the sportsman 2 by world the torquers have 170cc int runners, and the sportsmans have 200cc
also the sportsmans come in 66cc chambers......wat shoul i run to build a little power without burning my wallet.....are the torquers a good power building 383 head.....please input needed
 

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I've seen these heads in person because there shop is only a 12minute drive from my house,And they are in very good quality.And price is fair.Aluminum will be easier on u with that compression,but they have iron heads for $625 same size heads.

ALL HEADS ARE NON-SMOG LEGAL AND NON-EGR

FLOW CHART: (Cam Lift - Intake/Exhaust)

Small Block Chevrolet (2.05" X 1.60" Valves)

• 190cc (As Cast)
.100 64/61
.200 128/115
.300 181/158
.400 227/190
.500 260/209
.600 277/227
.700 280/231

• 190cc (Polish)
.100 66/60
.200 134/115
.300 187/154
.400 234/190
.500 268/209
.600 286/227
.700 292/232

• 210cc (CNC)
.100 69/60
.200 139/115
.300 194/150
.400 240/190
.500 277/209
.600 295/227
.700 304/234
http://shop.enginekits.com/osb/showitem.cfm?Category=726
 

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