You're mistaken about the Eatons. Check this page: http://chevy.tocmp.com/booklets/48eaton06.htm

Good point about the granny low. I find it difficult to believe that a three speed would be very useful in a truck that size with a 216 in it.


195? Chevy 3800 dump truck
1973 Chevy C30 cab and chassis
1987 Suburban 3/4 ton 6.2L Diesel