Dynoed this 408 today. Young guy's first build.
440.3 TQ @ 3500
323.1 HP @ 4300
Corrected to J 607 std.
summit 1789 cam
stock heads
performer intake
600 QF slayer w/ 1" 4 hole top open bottom spacer
Stock distributor from salvage yard
Dyno headers 1 5/8 - 1 3/4 x 3" x19" collector
16" vac @ 750...