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3k Engine Bottom End

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i have just got a s/hand engine ..i have the sump off, how much movement should there be in the big ends ....i can wiggle the caps (with a baby rattle some more than others) i was told this was a runner but not 100%

 

how much is too much ?

 

has anyone got info on bottom ends ?

a little movement front to back is normal but if you can move them 90 deg to the crank it's time to start measuring for a rebuild.

Undo the big end caps and check the jounals and bearing shells for wear. If good you can retorque them. Better still plastigage them.

 

As stated a bit of end play is normal, measure it with a feeler gauge. You should not be able to detect side to side play.

Edited by Felix

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