Got it, Knock sensors do not work really well down low there. They are best between 1500 to 5K or so.

I am going to fiddle with your timing curve a bit. It will be a couple hours before I get it back to you.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.