I started up the new 400 sb for the Vette today. Have it on a start up stand. Sounds nice. Will post pics as soon as I develop the film.
Cast crank .010-.010
Scat forged 5.7 cap screw rods
Forged SRP flat top pistons .030
Internally balanced with balancer and ring gear
Crane 302H06 cam, .500 lift, 302 deg duration
Edelbrock 70cc heads, 10.8 to 1 compression
RPM Airgap intake
Holley 750 DP
MSD HEI with rev limiter.