ENGINE ROOM

LAST issue we dealt with engine size requirements under the National Guidelines, so this month, it seems logical to talk about other key issues to consider when fitting an engine to your project car.

EMISSIONS

LET’S start with emissions. The requirements to limit gaseous emissions was introduced in ADR 26 in 1972, when passenger vehicles had to be fitted with a positive crankcase ventilation (PCV) system to prevent blow-by gasses escaping to the atmosphere, and carbon monoxide emissions were also limited. The requirements became progressively more