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Old 02-06-2012, 10:18 AM
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SBC 350 engine knock

Hi all, well seems my sbc350 developed a knock. You don't hear it at idle or higher rpm but at just about 1200 rpm she is knocking. Not pinging but knocking. She seems to run fine, idles good but as soon as I hit the accelerator she has a knock at just about 1200 rpm go's away above that. Not liking what I'm hearing and hoping someone will tell me it's something simple like the timing is off. I'd even take a bent push rod but please not a bearing.
I just built this engine and has a couple thousand miles on it.

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Old 02-06-2012, 10:53 AM
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cracked flexplate and/or loose bolts.(crank bolts and/or converter bolts)
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