trivial question -drag race edition

Ted Carlson said
When did Lions install the rollers to start dragsters instead of push starts?

Great question, Ted! The only info I've been able to find is the mid-60's.

Here's a pic of the rollers at Lions

View attachment bush-rollers.jpg

and here's a link to a great article about the history of Lions:

http://www.competitionplus.com/03_25_2004/lions_roar.html