Before backing off the valve clearance adjuster, I always check the current clearance. On this engine, I was quite surprised to see imbalance of compression data between the cyl on such low mileage and late model NSX so decided to measure the existing clearance even more carefully. #1 IN: 0.19mm, 0.19mm just at the limit #1 EXH: 0.21mm, 0.21mm just at the limit #2 IN: 0.16mm, below 0.15mm too tight ...
Updated 23-02-2014 at 02:38 PM by Kaz-kzukNA1
Wow, what a mess around the rear bank cam shaft seal disc. Proof of the old original WP design from the factory. You can no longer get this design for the WP as well as for the TB lower cover. ...
Time to install the camshafts. New O-ring under #1 cam holder. ...
I dont say its the same everywhere in UK but from what I saw in the past, full service history means almost nothing to me. Even with lots of stamps on the service log book, I always find lots and lots of issues on UK based NSX. The front valve cover and the seal were not installed properly. ...
Started the re-assembly process. New O-ring under the #1 cam holder at each bank. ...