Volvo RWD 200 Forum

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B21FT piston to ring side clearence below minimum 200 1984

posted by  jivetalkingturkeywalker on  Wed Nov 2 06:07 CST 2005
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last visit: Fri Mar 16 05:13 CST 2007
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I'm replacing the rings and the side clearence is below the minimum spec value. Should this be a big concern ?








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B21FT piston to ring side clearence below minimum 200 1984

posted by  Michae1 on  Wed Nov 2 18:33 CST 2005
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last visit: Sun Feb 28 08:41 CST 2010
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What is spec and what did you measure?
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WANTED: #572 ECU from LH3.1 M47 '90-'93 240








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B21FT piston to ring side clearence below minimum 200 1984

posted by  jivetalkingturkeywalker on  Wed Nov 2 21:09 CST 2005
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last visit: Fri Mar 16 05:13 CST 2007
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I measured the " piston ring side clearence Gap" ( the roof and/or the landing of the piston rings inside their piston grooves )don't remember spec's and I'm quite a distance from my shop. In theory spec's shouldn't matter, if it's a problem it should apply to almost any engine. P.S. Thsi is NOT piston end gap I'm speaking about. There shouldn't be anything wrong w/ having below min. spec. ring side clearence gap..... ooohh maybe not adding gap had you confused. My Bad anyways if you ahve any info on this subject it would be nice.

ciao for now ljrh........is the LH 3.1 exclusive to a 240 between 90 and 93 because I have a '85 740 w/ the Jetronic comp. and the M47 still in car and they are going to the crusher. get back to me on them...I'm also in B.C. , Canada







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