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Dyno day, Conner 406 SBC w/462 heads

5.3K views 9 replies 7 participants last post by  big dog ss  
#1 · (Edited)
Well I'm impressed by the results with the Gm 462 heads.

Engine
406 (3.75 x 4.155 bore ) .030 over 400
6 inch rod
SRP pro pistons
Eagle H-beam rods
Eagle internal balanced lightweight crank
Herbert Solid roller cam CH7 , Morel Solid rollers .750 lifters // .567 .585

the heads are 100% virgin ports, 2.020 int 1.600 valves

Victor Jr intake, Holley 4779 750CFM GM HEI
Hamburger oil pan
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