E-street vs Promaxx vs 440 Source

400 from 76 New Yorker rebuilt
polished cast crank reconditioned rods
l2388 F 40 trw pistons yeilding about 10.1:1
Had Schneider grind a cam
Stealth heads gasket matched
Edelbrock rpm performer intake
msd distributer and 6al ignition
Speed demon 750 vacuum secondary
a body big block exhaust manifolds into 2 1/2" dual exhaust with crossover
Be cool rad

View attachment 1715848543
Not much more cam than in my 419.