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Running in

Posted by daisy

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Running in #1
daisy Faith Tait Dorset, United Kingdom	Posted: March 24, 2012 07:28AM Registered: 1 year ago Posts: 1

Hi everyone - our lovely Moggie has new piston rings,honed cylinders and new big ends - info on running her in please including speeds and number of miles? Go happily.

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Re: Running in #2
ian k ian knight levin, New Zealand	Posted: April 05, 2012 11:35PM Registered: 1 year ago Posts: 55

hi faith, from what i have read 40-50 mph sounds about right. not sure as to the milage as with new rings these days i dont think they need as mutch as back when first produced.might want to check with your local garage/mot people, they might have a better idea.i would have thought the longer the better keeping an eye on water temp and trying not to over rev her.

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Re: Running in #3
TANSTAAFL Pat Atkinson Feilding, Manawatu, New Zealand 1963 Morris Minor 1000 Saloon (4-door) "Agie"	Posted: April 10, 2012 03:16AM Registered: 1 year ago Posts: 28

Hi Daisy (Faith)

From the date of this post I'm guessing it's too late now but here is the method taught to me by my grandfather, an old-fashioned A grade mechanic.

1. For the fist 300 miles: accelerate quickly up to open road speed then gradually slow down to 30 Ml/Hr. And repeat. Change the oil after the 300miles.

2. Don't 'baby' the engine - drive at normal speeds, normal acceleration. If you baby the engine it will produce ridges at the top/bottom of the cylinder which can break the rings when you have to work the engine hard.

3. Best to have a sign in the back window to let the frustrated people behind you know.

The more modern method is to just drive the car in a normal manner.

Hope this helps
Pat

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