I have come to the conclusion that my time slip is all wrong, on my data log it shows 5900 rpm, 123mph , or the converter is junk, look at the MPH for the 1/8, 80 mph only way to know is make some more passes
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5