Brainstormin' 440 vs 5.9 ...

TT5.9mag--------16.9
331MP -----------13.4
Turbo440Dart-- 14.7
273---------------13.7
Junkyardhero---14.0
jrc4y4------------15.3
red67gts---------14.4
Curious Duster--14.5

Nice list of guesses.... 3.5 second difference between hi/lo
High - 16.9
Low - 13.4