Forgot to post the photo of cam shaft. As reported earlier, no abnormal scratch and just the coating wear. Considering the mileage, quite normal and being driven regularly with long distance journey helped a lot in keeping good condition inside the engine. ...
Removed the heavily melted epoxy potting from the CYL/CRK sensor on the TB cover plate. Took long time getting to this level as you don't ...
Finally, happy with the cyl head cleaning. ...
Updated 06-12-2014 at 02:16 PM by Kaz-kzukNA1 (typo and probably still there)
Doing bit of catch up updating the blog. As expected, as seen on many NSX, the area around the RR wheel speed sensor head was oxidised and completely stuck inside the hub. Had to carefully trim it out from the fitting hole ...
I now know why the valve covers were so dirty yet the internal engine parts were so much cleaner. Apparently, the previous owner used to drive long distance regularly so the annual mileage was high but only changed the eng oil like once a year. So, just circulated ...