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stealthfti | all galleries >> Tight Squish...NA style > not bad for 220,000 miles
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not bad for 220,000 miles

not bad for 220,000 miles

once the head was off, and the causes of the head gasket failure was determined, I went to work cleaning things up to get ready for re-assembly.

There was no evidence of any detonation in any of the cylinders. Not bad for a motor that has a SCR of 10.3:1. I love those flattops.

[even though I know that there had been times when there was some pinging going on, from using other than premium fuel, the pinging had never been severe. I found no evidence of detonation, or any damage that can be traced to detonation as its cause. For a NA motor, some light occasional pinging is not disastrous; although it is still not on my favorite motor sounds list.]

There is no cylinder ridge on any of the bores. Those dark areas at the top of the bores is just discoloration. I did not use a ridge reamer or a hone. I just wiped them down with solvent.

Panasonic PV-SD4090
1/79s f/3.0 at 5.2mm with Flash full exif

other sizes: small medium large original
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