20-04-2012, 05:07 AM
Some of the mk3 Si fiestas came with a 1.8 zetec 16v engine and iirc were 100-110bhp
so 110bhp in say 900kg = 121bhp/tonne vs 306 XSI 140bhp in 1200kg = 112bhp/tonne
so 110bhp in say 900kg = 121bhp/tonne vs 306 XSI 140bhp in 1200kg = 112bhp/tonne