400 bored .035
stock crank ground, polished and balanced
JE pistons file fit rings
Eagle rods 6.625
ported 62 heads with 2.125 intake valve 1.77 exhaust valves both with 45 degree seats and RPM intake
flow of head with radius plate
.100 75
.200 160
.300 217
.400 254
.500 254
.600 254
flow with the rpm intake and 850dp bolted on
.100 74
.200 159
.300 221
.400 241
.500 234
.600 231
exhaust flow
.100 52
.200 123
.300 153
.400 177
.500 191
.600 200
Exhaust is cheap 1 3/4 headers with 2.5" pipes back to the cheap muffler, there are cutouts after the collectors.
cam is a solid flat tappet cam 246-254@.050 .571-.594 with roller 1.65 rockers, 106 lobe seperation installed at 104, we dont run power brakes so vacuum is not a consern of ours. Vacuum at idle is around 5"
Car is a 73 Ventura that weighs 3600lbs stock 10 bolt with c-clip eliminators. 3500 stall convertor 3.73 gears
Was dynoed at 500hp best run to date is 11.42 at 119 in the 1/4 and 7.28 at 95 in the 1/8
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