Best 273 and 318 builds (NO 360's please)

here's a stout little 273 build...

3.650 x 3.31
cast flat top with valve reliefs -4 cc
zero deck
Cometic .028 head gasket
ported 920 273 heads 240 cfm with 1.88's and 1.60's with 55 cc chambers
custom solid lifter cam
Edelbrock LD4B intake
Holley 8156 750 cfm carb
hooker headers
it'll make 1.25 hp per ci in and idle like your Dad's station wagon...