Thanks. Looks like you're not far off getting yours started and on the road?
Good question. Rough plan is:
Millers running in oil and just straight deionised water. Run for 20mins varying revs up to 2000rpm mainly to check for leaks etc.
Drain oil & water. New filter. More running in oil + coolant mix this time.
For 200 miles'ish drive the car keeping revs below 4K and allowing it to run down from 4K. Also take in some hills to load it up.
After that, regular 10W40 semi-synthetic and a new filter and drive as normal
If anyone's got any advice or recommendations I'd be glad to hear them
Bearing in mind the only thing you’re bedding in is your piston rings, I’d only use running in oil for a short amount of time, in fact when I bedded in mine I took it to my local tuners and they ran it in on a hub dyno on a preset program for an hour then we let it go. Piston rings need pressure behind them to bed them into the bores and prevent bore glazing which can happen quite quickly. Also use something like a mineral oil, apparently the additives ina semi oil arrest the break in process. Either way personally I’d do a relatively short running in period in the interests of longevity. Everyone’s got an opinion tho...
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