ENGINE REBUILT
31 August 2008, 01:39 AM
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ENGINE REBUILT
https://www.scoobynet.com/images/smilies/luxhello.gifI have just finished my rebuild.Whats the best way to run it in,give some from the of as some suggest or the softly softly approach?
31 August 2008, 09:43 AM
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Every tuner will give slightly different advice but as a guide
Fill with mineral / running in oil to start, drive off boost for the first couple of hundred miles, and keeps the revs low.
After 500 miles change for Semi sythetic oil, start to Introduce some boost 5-10 psi and keep the revs sensible.
After 1000 miles change for Fully synthetic then away you go, If your car has not been mapped I would just get it checked for AFR reading & Knock just to be sure you freshly built engine will last.
Fill with mineral / running in oil to start, drive off boost for the first couple of hundred miles, and keeps the revs low.
After 500 miles change for Semi sythetic oil, start to Introduce some boost 5-10 psi and keep the revs sensible.
After 1000 miles change for Fully synthetic then away you go, If your car has not been mapped I would just get it checked for AFR reading & Knock just to be sure you freshly built engine will last.
31 August 2008, 04:54 PM
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Don't just sit at 70 mph on the motorway, you need to bed the rings in, by varying the engine speed.
I used to drive around in a 50 mile loop on back roads ( avoiding steep hills ! ), using the gears lots, and running up to 4000 rpm.
Stay off boost as much as possible, and agree, at least the fueling before giving it loads.
Mine has just been messed with, and the AFR now goes really weak after 4800 rpm, so need a man with a laptop to sort it out.
HTH
DunxC
I used to drive around in a 50 mile loop on back roads ( avoiding steep hills ! ), using the gears lots, and running up to 4000 rpm.
Stay off boost as much as possible, and agree, at least the fueling before giving it loads.
Mine has just been messed with, and the AFR now goes really weak after 4800 rpm, so need a man with a laptop to sort it out.
HTH
DunxC
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