ALL ALUMINUM 318?!?

Chrysler engineer cam into store I worked at in the early 90's with a odd looking ram charger being the mopar guy iam I started to chat with him and I asked him what year it was as it looked newer then the last year they made them he stated take a good look as it's getting crushed on Tuesday I think it was a Friday... guess what was under the hood ??? Yup aluminum 318 la !!! Wouldnt believed it unless I seen it with my own eyes .... come that Tuesday it became part of someones 5.7 hemi