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Preparation for the compression check. Always recommend taking the compression once a year. I have been doing this on my NSX for the last 22 years and even after 152K miles, still very strong data. Knowing how the piston design was changed due to sudden decision to change the Eng spec just less than 1 year to go before start of the production, NSX engine shall be really strong. ...
This air cleaner element must be an old OEM spec or aftermarket one as the oiled paper colour is white on both side and not green like the latest OEM one. Very dirty and I can’t see enough light passing through when held against the strong LED flood light so going to replace it this time. ...