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How is your oil pressure? Difficult to say listening to sound recorded by a small device playing on a small device but I hate to say it but; knocking on overrun is a symptom of big end bearings.
How is your oil pressure? Difficult to say listening to sound recorded by a small device playing on a small device but I hate to say it but; knocking on overrun is a symptom of big end bearings.
I hope you can tell me I'm wrong!
Oil pressure is good, can’t hear it when driving either
Sounds like it could be a loose pulley. More rattle on overrun when tension comes off one of the belts?
The Perfectionist
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Audi Class Concours winner Stoner Park 2014, ADI Concours D'Elegance Class Winner 2008, Runner up 2014. Winner, S2Forum Show'n'Shine Billing 2006 & 2008.
Had a listen with the ol “screwdriver stethoscope“
Really sounds like it’s inside the cam cover.
I don’t think it’s the dizzy as it’s not so loud listening near the back and I don’t have a loose plug. Think it might be a really bad hydraulic tappet.
Really hope it will be as simple as that .You could try fresh thicker oil .I have done it on my old 5cyl 10valve KV engine and it made the tappet quiet. You could try it for diag purpose
"Oil pressure is good, can’t hear it when driving either" that's good then.
I've given up trying to get my distributor to be quiet, I've shimmed it so minimal play, fitted brass gear which helped a bit and neither stopped it completely. Does it more around 1700-2000rpm on the run down from revs. I guess wear on the cam gear may contribute but that's not easily sorted...
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