Welcome, leebo. That is a fantastic Miata you have there and one has to love it's history. Very cool!
I've always been a fan of the RB bumpers...and V8s. :D.
You know better than that. ;) The bore spacing is different between the B6 and BP. This bolts to the mains caps. It could be modified through cutting and welding. You should give it a poke.
Wrong!
The P5 ECU is "calibrated" for 87 octane. It will not "search", for lack of a better term, for a more advanced spark angle in hopes that a higher octane fuel is used.
Back at it!
It's been a while but fate has it that I must revisit the Tracer and sort out the issues that resulted in diminished performance at the $2009 Challenge. On top of it all, I neglected to add antifreeze to the coolant system before winter thusly freezing the engine solid. It never...
It'd be helpful if you had the actual codes pulled (DTCs).
The valve on top of the valve cover is the PCV valve. The EGR valve is on the bottom of the intake manifold just passed the throttle body.
From what you describe, it sounds like you may have a bad EGR valve as well as a coil pack...
From the second picture, it looks as if the fan is connected properly (large black connector).
The small white connector in the second pic is for the A/C clutch.
If you were cool enough to be on Facebook, you'd know.
Congrats on the MX-5, Ying. Tis a very nice car. Brings back memories of the days when we fit you into the trunk of mine (run with it, folks).