New engine work scraping sound
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Tourer
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From: Ohio
New engine work scraping sound
650 miles ago I had my engine upgraded. 2006 Road King now with 98" big bore kit and reaper 543 cams. No headwork but obviously new gaskets.
Up until now I assumed the noise was because of new parts wearing in. Now I'm wondering if what I'm hearing isn't normal.
First of all the engine is a lot more tappy/sewing machine sounding. Could be the new lifters. Can deal with that as long as it's not damaging anything. What worries me is what sounds like the pistons going up and down. Literally sounds like what you would imagine, the piston rings scraping up and down in the cylinder.
Is this rhythmic scraping sound normal for new rings pistons and cylinders? Am I not getting lubrication in there? Powervision says temp was at about 270 after a 40min highway ride. I don't believe I'm losing/burning oil. Engine runs great but sounds weird.
I can hear hear it at idle and steady rpms while in motion.
i can try and get audio/video uploaded later...
Up until now I assumed the noise was because of new parts wearing in. Now I'm wondering if what I'm hearing isn't normal.
First of all the engine is a lot more tappy/sewing machine sounding. Could be the new lifters. Can deal with that as long as it's not damaging anything. What worries me is what sounds like the pistons going up and down. Literally sounds like what you would imagine, the piston rings scraping up and down in the cylinder.
Is this rhythmic scraping sound normal for new rings pistons and cylinders? Am I not getting lubrication in there? Powervision says temp was at about 270 after a 40min highway ride. I don't believe I'm losing/burning oil. Engine runs great but sounds weird.
I can hear hear it at idle and steady rpms while in motion.
i can try and get audio/video uploaded later...
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650 miles and no oil loss...got it
Last edited by JustDave13; Sep 10, 2017 at 03:44 PM.
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From: Niles Canyon Ca.
As said the tapping is lifter/valve train related, aggressive cam profiles can be be noisy. The scrapping could be a few things and being a fresh tight motor is one of them. If it bugs you have the builder put an ear to it.
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Tourer
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From: Ohio
I figured the tapping is probably normal. The scraping sound I'm not so sure of
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Tourer
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From: Ohio
That is why I asked. At first I assumed this to be the case but now pushing 700 miles it doesn't sound any different. I will stop at my shop this week but figured I'd ask here.
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clarsen2020
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Oct 5, 2010 08:24 AM
