Hi guys, I hope someone of you can help me in this dilemma that we have...so we have a beverly 400 ? been transformed into a 500...now it mounts an injection MIU40...we have enough petrol, and so far everything is ok, the only problem that remains ? that up the walls to 160km/h and we can not understand the reason... c'? who says that ? too early who has no idea....I hope you can help me...Thanks a lot