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Mystery Knock
So my S13 recently started making a knocking noise, and I'm unsure if its rod bearing or something else. The original dual cam had 252k miles so I wasn't surprised when I started hearing it, so I bought a S14 KA to swap in. The knocking noise is very faint, probably unnoticeable if I didn't point it out, and it only does it when in gear under load. Starts around 1900 rpm and either goes away or my exhaust drowns it out around 3k rpm. I pulled the engine today and found that one of the inner clutch plate springs was really loose and had broken off and tore up the clutch plate, I thought that might have been the sound all along, so I put a newer exedy clutch on my new s14 engine. Just finished buttoning up the new engine and the sound is still there, anyone ever had a similar issue or have any idea what it might be?
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