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6 cyl Bristol cars Type 400 to 406 - restoration, repair, maintenance etc |
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![]() petrg,
which ring was broken ? What type of oil rings were fitted? A one piece or segmental ? What is the clearance between pistons and bores ? If they are one piece oil ring fit one in a bore and check the distance between the ends . The cast split skirt pistons run tighter clearance than the original forged pistons . Geoff |