[quote author=KENC link=topic=33438.msg383174#msg383174 date=1330369770]
You could be after missing the train already Dan, first 20-30 miles is where you bed in your rings, if not then you can glaze over the hone, and you could end up with an oil user of a car. Cheap mineral oil is what you use for this, after that you switch back to a normal oil, mineral oil wont protect the bearings, but will allow rings to bed in, after 20 to 30 miles of a small bit of boost up and down through gears, the rings will have wore in so no need for the mineral oil anymore..
You also need a little bit of boost, this is needed to push the rings out tight to bores, a bit of brisk country road driving, with plenty of on off throttle, and engine braking
Doddling around is not a good break in procedure, you need a little bit of wear to occur to rings.
Its said that a very light hone was done on the 2.5s in factory and this is why they were oil users as rings didnt bed in.
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there was already about 20-30 kms on the car when i picked it up, so the initial bedding is was already done. was told to gradually build up to higher revs with short bursts at higher revs, low revs buy high load, went to go up the mountains for a spin tonight after work, i got as far as turn past viewpoint and fog was so thick i could not see 10 yards on front of me had to turn around! i realised i never reconnected my fog lights when i had the bumper off.
So run in procedure what AL said is pretty much the same as want im doing and what i was told to do so all is good.