Let us know what they say Skid?skiddusmarkus said:I'm going to email this thread to the well known tuners(Hiteq,DP,RCD&ND) and see what they think.
Hello Simon ,
I think a newly biult engine always runs a little bit " tighter " , which is why we advise doing 1k miles before giving them any real stick , and even after that, we keep them at low boost for a further period , but thats really just to make sure everything is ok , rarther than "running in " . After a full rebiuld I will always take the car out myself , and put a few miles on them to get everything up to max temp , then once we have checked for leaks etc , I will run it on the road giving it a few quick stabs to make the turbo reach full boost , and then lift. I do this as , the boost will force the rings out against the cylinder walls, which really helps them bed in , and then once you lift , creating max vacum , the oil will be drawn up the cylinder walls to stop any glazing. When doing this I am careful not to use too high an rpm , as its the pressure in the cylinder we are trying to get.
All this is done in the first 20-30 miles. Then once everything has been checked , and we are happy its ok , we tell the customer to use up to 4k rpm for the first 500 miles , but always tell them about stabbing the pedal a few times during this time.
Then we raise the rpm limit by 500 every 100 miles from then on. Once they have done approx 1k miles , we get them to drive the car normal but on low boost for another 500 miles , after that if everything is ok , we do an oil/filter change , and set it up as per spec.