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Old 15 July 2008, 10:47 PM
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turbo.2000
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hi there i have a wrx 1995 impreza wagon and the bottom end has gone i have now had a new one fitted with my heads on it and a exedy race clutch i would just like to know how many miles i need to do with no boost to bed it in and how many for the clutch as well?
Old 19 July 2008, 09:37 AM
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turbo.2000
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has no one on here had there engine re-built and been told how many miles to do befor putting there foot down or had a new clutch and been told how long to bed it in for
Old 19 July 2008, 04:45 PM
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dunx
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Most engines are baby-ed for the first thousand miles from new... others say thrash them from day one to loosen them up !

HTH

DunxC
Old 19 July 2008, 04:56 PM
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thewhitewarrior
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i do the first 300 miles under 3000rpm then take it up 250rpms every 100 miles, that is safe enough, phil.
Old 19 July 2008, 07:28 PM
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turbo.2000
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Originally Posted by thewhitewarrior
i do the first 300 miles under 3000rpm then take it up 250rpms every 100 miles, that is safe enough, phil.
thanks mate
Old 19 July 2008, 11:05 PM
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Badbird
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keeping it under 3000 rpm means your probably putting excess load on the fresh engine by changing up realy early and getting in a high gear as soon as you can at low rpm this is bad for a new engine A few Rpms dont hurt fresh engines if your sensible too much load will and that can be boost or labouring the motor in too high a gear
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