These sadly are a real gutless engine unless you spend thousands, I spent the best part of a thousand and was really disappointed with the results, I had a fast road cam fitted with twin 45 dellortos on a 202 higher compression block and a Newly built 1.6 head and there was very little difference in this compared to a 1.6 standard pinto on a vv carb, certainly won't bother putting money into one of these engines again