The specs of Shannon’s 253
might seem basic, but he
has made solid investments
in key areas, like the Barnes
four-stage dry sump system.
Guaranteed to keep oil
pressure consistent, it
fixes a well-known Holden
weakness and ensures
Shannon doesn’t grenade
the bottom end when he’s
beating on the motor out on
the burnout padWHILE MOST OF THE ENGINE IS QUITE UNDERSTATED, ONE PIECE OF
EXOTICA THAT STANDS OUT IS THE FOUR-STAGE BARNES DRY-SUMP PUMP