Ouch. Running 10s on 7 cylinders is pretty good. If you read around, the #7 failure seems to be prevalent....at least from what the internet says. They even fail in the top left corner too. If the cylinder wall looks ok, replace the piston and get it back together.
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97 T/A Ram Air Convt
Forever dyno queen / 777rwhp 662 rwtq @ 17lbs / 10.2 @ 140
'24 Corvette Z06
'17 Sierra 2500HD Dmax
'17 Lex LS460
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