Aluminum Engine Blocks-

[omar millmech]

There were a few other earlier aluminum engine blocks-
Rambler-
http://www.geocities.com/dr_rambler/aluminum.html
http://www.amcrc.com/feature/Rodrigues.html
http://www.carcraft.com/junkyardcrawl/ccrp_0608_junkyard_crawl_aluminum_block/index.html
+ Chrysler-
http://www.carcraft.com/junkyardcrawl/ccrp_0602_1962_plymouth_valiant_motor_junkyard/index.html
http://www.moparmusclemagazine.com/projectbuild/155_0303_chrysler_slant_six/history.html

Tata-