Davis, This occurred at the same time the flat tops came about. The transition to flat started in 1994, with the 3 panals up front being different, yet the trailers were not widebodies yet.By 1996, they were, and the big vents were being installed soon thereafter. I'm not positive, but I do not think that it just occurred on one specific date.
I'm sure if I'm wrong, someone will say so.
Thanks for the good words about TOG in one of your other responses. We've been there almost 10 years now, and do enjoy it immensly.
Jerry and Dianne
steelbird312 WBCCI #6673 jerry Hodge
2013 31" Classic limited
Have no intention of arriving at the grave safely, but rather to skid in sideways, chocolate in one hand, throttle in the other, totally worn out and screaming
"WOO HOO, WHAT A RIDE!"