98 Hatch, 01 CRV
I have a y8 with forged internals. I put about 150 miles on the engine with a basemap I did myself. Engine sounded great at first and then it developed a noise I've never heard before. It kind of sounds like a diesel. Only makes the sound on acceleration, nothing at cruise or decel. It was faint at first so I rolled with it and had it put on the dyno. Made 350hp and pulls great but the noise is now getting a little louder. Does not go away after warming up. I have tried to pinpoint it with a stethoscope without success. Is this piston slap?