Blue: 3.12 pulley, mail order chip 17 degrees timing 10.9 A/F
Green: 3.12 pulley GT impeller, same tune as above, 8 pounds more fuel pressure was added, 10.9-11.1 A/F to 5800 rpms then go to 11.7 A/F
This was a direct swap no addition tuning was involved.
