i have an escort cosworth just been a pain in the ass from the word go but finely finished. The only problem is if i drive it hard through all the gears its fine ,but if i am at say 3000 rpm and in a high gear say 3rd 4th or 5th and go to pull it just coughs spullteres and u here turbo chatter DOES ANY BODY NO WHAT WOULD CAUSE THIS AS ITS DOIN MY HEAD IN AAARGH
ANY IDEAS PEOPLE THANKS