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Bore Scratches


Old 10-01-2017, 06:39 AM
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Join Date: Sep 2001
Location: Stansted Essex
Posts: 6,208
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VB,was a pleasure .

the main bearings clearances are not within 0.001" each other, they are around 0.001" total as measured with plastigauge , in fact the lower limit of plastic gauge , not sure I think toby measured a max on bearing 5 at the rear of 0.0015"

which makes the end result of the 5 bearings being in line true and the crank free. To rotate and spin amazing , she vid above.

the lower main bearing cap/girdle is located with hollow dowels and as I recall they are tight and have to be carefully pulled in.

Givern morethouht to your problem , I think engine out and sort the thrust , if the crank bearing surfaces are ok and the housing ok and the thrust bearings are with in tolerance then I suppose you will need to find a bearing manufacturer to make some thicker than OEM and as you said the longitudinal location of the crank in the block determined. If,the crank bearing surface are damaged I would think a decent engine remanufacuerrer could sort that and in fact supply the over size bearings , give Adrian a call at Gosnay,s in Romford .

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