Volvo RWD 120-130 Forum

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smoking 120-130

uid 37336's pic
posted by  B20Paul. on  Sat Apr 20 12:36 CST 2013
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last visit: Mon Oct 20 10:54 CST 2014
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One way top rings break is when the piston ring groove gets too wide & lets the top ring flog up & down, it's usually in two pieces. Alternately, If you have detonation for too long, the top ring will be in about 20 pieces which ruin the piston & bore if you don't fix it imediately.

If your engine was rebuilt & has Mahles in it, it could still have the ugly one piece oil rings, a quick hone & $20 bucks worth of plain Sealed Power rings is a quick fix. If you recycle some gaskets, you could get buy with buying a headgasket & source the front & rear seals from a bearing shop.

--
Three 164's, Two 144's, One 142 & a partridge in a pear tree.






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New smoking [120-130]
posted by  Danny  on Fri Apr 19 09:49 CST 2013 >


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