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Old 09-24-2012, 10:12 AM
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Does my SBC need to go back to Machine Shop

I just purchased a SBC 400 over the weekend. The block was in a plastic bag. It was machined 4 years ago and was bored .30 over, honed, decked, cleaned, and all new freeze plugs/bearings. It has sat since then sealed in the corner of his garage. The owner had been oiling the cylinders, and bearings bi-monthly. The outside of the block and valley has some surface rust very lightly. All the areas that the rotating assembly go in look perfect. Do I need to take the motor to get honed again from sitting so long, or just throw it together?

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Old 09-24-2012, 10:32 AM
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Take it apart, clean up the bores and make sure the rings are all not stuck and aligned right.
I'd check everything since it's easy to do now. Check bearing clearances, mike the crank, make sure all the bearings are the right size.
Treat it like a new rebuild. You're never sure what you got till you tear it apart and check it out.
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Old 09-24-2012, 10:59 AM
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I purchased just a block. I ordered Eagle street strip rotating assembly for it last night. So it was bare except main caps and arp cap bolts.
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Old 09-24-2012, 11:02 AM
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wash the block when the parts arrive.You will have to fit the pistons anyways.
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Old 09-24-2012, 02:44 PM
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X2 what vinnie said, and be sure to use bore brushes on all oil passages, nooks and crannies with a good detergent.
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Old 09-24-2012, 08:54 PM
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scotch brite where its rusted and oil it asap you should hone it to fit the new pistons
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