Big end shell trouble, Any ideas?
#1
Me Cossie Runs Atlast!!!!
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Big end shell trouble, Any ideas?
Taken number 3 piston out my block today as i thought the rings had gone. Well they havent,
got this instead
Number 3 shells,
Here is number 1
Number 2,
Number 4,
The number 3 was well fooked, the metal had gathered i the sump as a small lump.
Doesnt even fit the conrod anymore.
The annoying thing is, this engine was only put together 1000 miles ago
Any ideas of the cause? Oil Pressure was fine.
got this instead
Number 3 shells,
Here is number 1
Number 2,
Number 4,
The number 3 was well fooked, the metal had gathered i the sump as a small lump.
Doesnt even fit the conrod anymore.
The annoying thing is, this engine was only put together 1000 miles ago
Any ideas of the cause? Oil Pressure was fine.
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Me Cossie Runs Atlast!!!!
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Everything was cleaned merticulosly. The oil was the best for the job and the filter was changed at 100 miles and new oil, then again at 500 miles.
#7
PassionFord Post Whore!!
what size was the crank ground to? Chek the shells, make sure they were correct size. Failng that its possible oil starvation. Have you checked the oil pump?
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#8
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The shells from number 1 and 4 dont look very good either, look like theyve been marked by the crank as its rotated, definitely not what i'd be expecting from a 1000 mile engine tbh! The shells from number 2 look very similar although its hard to tell with the amount of oil thats on them in the photo.
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Havent had the pump off yet. So pissed off im on the verge of selling it/breaking it. Cant remember what it was ground to but the shells were correct for what they said they had ground it to. I remember it at the time.
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The shells from number 1 and 4 dont look very good either, look like theyve been marked by the crank as its rotated, definitely not what i'd be expecting from a 1000 mile engine tbh! The shells from number 2 look very similar although its hard to tell with the amount of oil thats on them in the photo.
#20
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i have or had this problem iam still connecting hoses to try my new acl shells, but i was told you need the correct squash on the shells ie the rod caps torqued up right think it explains on youtube if you can find it ? if you look at my threads see what people said mate may help ?
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also just to note mine wernt as bad as them shells but did notice 1 bolt seemed too loose so would have been only properly seated around the crank jernals
did you notice 1 bolt not quite as tight ?
did you notice 1 bolt not quite as tight ?
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#24
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agree getting sold the wrong size happens alot even with an experienced engineer supplying and turns out to be an expensive headache.
Last edited by stevostyles; 10-02-2010 at 09:25 PM.
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