Ok my 12 second combo and I'm sure there's more with some tuning as this was first time in almost 10 years this thing saw the road. (25 year old build)
1971 Demon 340
1969 engine with X heads (Hughes Stage 1)
rebuilt stock short block
Hughes HE3038AL Hyd Cam 230/237@050 .515/.535 stock 273 rockers
35 year old Mopar aluminum intake, dual plane with no numbers, just says "Mopar"
Edelbrock 700 AVS
MSD 6 distributor and Box
904 TF and 3400 convertor
3:91 posi
12.57 Best ET @ 104 and a 1.70 60ft
Was going to insert a video but obviously not smart enough LOL (something about the extension)