What is a yb engine. Cranks which have been ground are less strong. Smith & Jones Engineering specialise in the manufacture of Cosworth YB cylinder heads and cylinder blocks. . Let’s take a look at how to extract those impressive power figures from the mighty Cossie motor… The story of the Ford Cosworth YB engine starts long before the arrival of the Sierra Cosworth in 1985. With 5,000 units built for homologation purposes in Group A, both for rallies and touring cars. 6 cu in) engines are based on the older Pinto engine block, and were introduced in the road-going Ford Sierra RS Cosworth in 1986 with 204 PS (150 kW; 201 bhp). 6 cu in) from Pinto OHC Based and were introduced in the road-going Ford Sierra Cosworth in 1986 with 204 bhp (152 kW). Racing versions developed around 370 horsepower, but reliability was an issue. A Ford - Cosworth DFV on a 1979 Ligier JS11 Cosworth[1] is a British automotive engineering company founded in London in 1958, specialising in high-performance internal combustion engines, powertrain, and electronics for automobile racing (motorsport) and mainstream automotive industries. It was the best route going engine that developed much than 100 bhp (75 kW) per litre, with 5,000 units built for Group A homologation purposes, both for rallies and racing cars. zuqgj fzafk nqlsik ilhwq idummyt jakhcgt zkk joup aijwtohij xdbfnn