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I am building twin 383's with around 425 hp for my 1991 Nova 26 ST
Eagle rotating assembly
Steel crankshaft
Edelbrock Performer cylinder heads 70 cc
Hyperteuntic dished pistons
9:1 cr
PRW alum rockers 1.5 ratio
Performer air gap intake
Edelbrock 1410 750 cmf carb
MSD Ignition
Bob Madara Hydraulic Roller Cam (high lift) .534/.526
PBM Roller lifters
Fresh water cooled
SM manifolds w custom long risers
Hope to finish these by end of October Wish me luck, will def. dyno test both engines.