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running in new engine
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Author:  miniimports [ Wed Jun 09, 2004 12:45 pm ]
Post subject:  running in new engine
hi guys just thought id tap into the knowledge base on running new engine ive been told 3 different methods,any ideas
thanx
Author:  spathi [ Wed Jun 09, 2004 2:35 pm ]
Post subject: 
I'm also interested in others opinions on how to do this,

Keith Calver's method is here
Author:  drmini in aust [ Wed Jun 09, 2004 5:21 pm ]
Post subject: 
I'll go along with KC's method for NEW (ie fully reconditioned) engines.

But if it's just a re-ring and bearings job, You don't need to baby it so much.
A few full throttle runs uphill will help the new rings bed into the old bores better, and after 100-200 miles change the oil and filter..
Then ZZZZZOOOOM!! 8)
Author:  Bent'S [ Thu Jun 10, 2004 12:16 am ]
Post subject: 
If it is a full rebuild, including new cam and lifters, then run the motor at around 2000 rpm for the first 15 mins. Keep a close eye on temp guage. This beds in the cam and lifters and prevents premature wear. Stop the engine, fix any leaks.

After that follow Calvers instructions.
Author:  PhildoD [ Mon Jun 14, 2004 11:28 am ]
Post subject: 
If ya dont know what oil is in there, or it hasnt been done yet, I would definitely suggest a Detergent type oil (run-in oil) for the first few run's.

Its specially designed to wash any crap outta the engine, but shouldnt be used for long as it breaks down pretty quick. That's why your first oil change interval is always so short.

I always specify that the cam and associated running gear be "Molybonded" during the buildup, so that there is some lubrication until the oil gets up to do it's job.
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