S sc96cobra Founding Member Aug 15, 2002 86 0 0 Fort Walton Beach, FL Jun 19, 2004 #1 Jun 19, 2004 #1 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. Attachments dyno001.webp 27.1 KB · Views: 146
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.