| Do you have EGT info? Somehow I am not convinced that the A/F reading is right, as I have dyno tuned a lot of JWT program. Do you have fuel pressure gauge? Or it could even be a out of cal WB sensor. Check these thing out before you do further tuning. I also have a local TD05-16G (stock longblock with JWT cams) that is waiting to be dyno in the spring. Hopefully it will pump out some good number like yours. He's got the Greddy smic but I would rather him have the Greddy 3 row FMIC.
1990 300ZXTT Twin Greddy TD06L2-20G (No Nitrous) 823rwhp 700rwtq @ 30psi on Mustang Dyno Best et/mph :10.56 / 142.47mph
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