Are 340’s rare

abodyjoe said
that out of a 69 340? my valiant ran 14.2's all day long with a stock 79 360 long block with a performer intake and 600 holley being choked down by 273 manifolds. 3.55 gear too..

Yep. 3 year old 69 GTS.
If you look back at factory drag tests from the day, typical cars were more mid 14’s