Stop in for a cup of coffee

Unconventional said
Economics. Blowed up TF blocks that can be repaired are fairly easy to be found. Allisons not so much.

I always thought it was funny the rules.

they could run either:

2 Allison V16s
5 big block Fords and Chevys
4 big block Chrysler’s
4 Hemi’s.
3 jet engines.