Get somebody to video your launch or do what I did and put a Gopro with suction cup behind a rear wheel to see if you're spinning or not. Mine launched soft and didn't spin so I swapped converters for a huge difference. X2 on get a 3" exhaust which should pick up a few tenths and bring mph up. Maybe bump timing up, too. My D ports liked 37°. I think a chassis dyno would really get you on track. Very nice car and build, should go easy hi 10s when sorted out.
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Chris D
69 GTO Liberty Blue/dark blue 467, 850 Holley, T2, Edelbrock Dport 310cfm w Ram Air manifolds, HFT 245/251D .561/.594L, T400, 9" w 3.50s 3905lbs 11.59@ 114, 1.57/ 60'
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