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Time to hunt for the offending part ? may find it in the exhaust / cat somewhere, it is worth a looking !! IAT sensor ok ? inlet butterfly screw ?
Sorry to see m8
Time to hunt for the offending part ? may find it in the exhaust / cat somewhere, it is worth a looking !! IAT sensor ok ? inlet butterfly screw ?
Sorry to see m8
yep, the hunt will start. I’m hoping something inside the supercharger or aftercooler isn’t falling apart. The spark plugs are fully intact. Ugh.
So I had a bit of time this afternoon to inspect. I’m pretty convinced it was the piston ring that fell apart.
I have a video endoscope camera and looked through the supercharger, aftercooler, the intake and nothing. No signs of anything letting loose. Not to mention the fact that if anything had let loose upstream of the aftercooler, it would have had to break through the internal cooling fins to get to the TB. Every fin inside that aftercooler is in perfect unbent shape, which means whatever happened was from the TB into the cylinder.
All bolts and such are accounted for, everything is in place in the TB and intake. No signs of anything weird, metal chunking, etc. all looks good.
Upon further inspection of the piston, on the opposite side of the piston from all the damage the top ring is broken in 3 pieces. Also the end of the ring looks like it had a piece broken off of it/the end doesn’t look “clean” as if it’s the finished edge.
All good questions. I'm also curious about the brand, size of the rings and gap
I would assume they are CP rings since they are CP pistons... but I'm not positive of that.
I'm dropping off the cylinder head/short block to Jeremy Allen for a rebuild next week. We'll be discussing options and I'm hoping for a bit of diagnosis from him on what possibly happened.
09-02-2023 | 05:21 PM
