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Thanks for posting your experience, although unfortunate. I may need to buy a rotating assembly soon, and will need to shop around.
 

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Just re-did a BigM block that was a mess. Over large spec and the rear cap wasn't round or straight. Front an rear caps were half a thou over large. The finish on the bore looked like a very rough hone, but not finished.
 

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Discussion Starter #25
Just re-did a BigM block that was a mess. Over large spec and the rear cap wasn't round or straight. Front an rear caps were half a thou over large. The finish on the bore looked like a very rough hone, but not finished.
Thanks for posting your experience, although unfortunate. I may need to buy a rotating assembly soon, and will need to shop around.
i didn’t have much problem with the parts buying part of the transaction. They just failed to follow through with the machine work part of the job. Hopefully the balancing was done to a higher quality, they did leave a bunch of drilling residue in the counterweight balance holes. I feel a lot better knowing the oil clearances are gonna be perfect instead of just ok.
 

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Just as a matter of curiosity, did you capture and weigh the trash just to see? I realise it probably would make no difference to performance regardless
 

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Discussion Starter #27
Just as a matter of curiosity, did you capture and weigh the trash just to see? I realise it probably would make no difference to performance regardless
I did not, it wasn't that bad just not clean. They told me everything would be ready to assemble.
 

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i didn’t have much problem with the parts buying part of the transaction. They just failed to follow through with the machine work part of the job. Hopefully the balancing was done to a higher quality, they did leave a bunch of drilling residue in the counterweight balance holes. I feel a lot better knowing the oil clearances are gonna be perfect instead of just ok.
How can a final check on the balance job be done with swarf in the holes?
 

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weighs so little,, and balancing is a bit of a guess,, in that do you know the weight of the oil the assembly is carrying??
 

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Discussion Starter #30
How can a final check on the balance job be done with swarf in the holes?
it was nothing that could be captured and weighed but still enough to turn the end of your finger silver and sparkly. Just lazy and unprofessional in my opinion especially when promising “ready to assemble“. I wonder how many people bought their assembled short blocks with sub standard machining and dirty parts.
 
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