Holden V8 BOSCH Distributor
Advance mechanism modified by TIG welding and then precision machining points cam stops to provide 9 distributor degrees of internal advance. Advance mechanism lubricated with CASTROL "Premium Heavy Duty" blue Lithium-based grease.
Converted to dual-point configuration with single piece breaker plate and two sets of brand new heavy duty genuine BOSCH (P/N GB752) L34 Torana points fitted for much improved high RPM dwell behaviour
Vacuum advance deleted, vac advance can attach boss machined from housing and closing plate fitted
Custom advance springs fitted to provide single slope advance curve with onset of advance at 1200 crank RPM and full advance at 3200 crank RPM
Built to suit well-modified engine with significant camshaft overlap
Will allow increased static advance to be used as required by high performance camshaft and companion modifications without dangerous over-advance at elevated RPM
Consistent and correct dwell behaviour under test beyond 7500 crank RPM