Page 26 - Austin Healey 100S

INLET AND EXHAUST special induction and extraction T S U A H X E D N A T E L N I S 0 0 1 The original 100S was a marked change from Our inlet manifold has been remade with the Similarly the cold air box has been fabricated its sister the 100 when it came to induction experience and knowledge gained over many after extensive testing on the Endurance car and exhaust. Harry Weslake redesigned the years of racing. project that involved comparisons with both heads with increased power in mind, but with SU and Weber configurations. Both can be a view to fitting the standard block. The inlet The large bore diameter of this system gives accommodated according to your desired and exhaust ports were moved from the left to increased power from the engine. specification. the right, as the push rod location in the We pressure test them to give the utmost original head prevented a full 8 port system. performance and quality, as small This is a vital component to get cool, dense air This meant running the exhaust down the right imperfections in the welds can create an air circulating around all the intakes for the side of the car. Our induction and exhaust leak, which is the cause of annoying popping carburetters to get a balanced airflow. system takes full advantage of this on over run. reconfiguration. www.bighealey.co.uk