Originally Posted by drewactual

individual coil packs as opposed to a dizzy.. 16 spark plugs as opposed to 8... width of valve covers.. location of cylinder plugs.. design of intake manifold.. old hemi's had dizzy on front of block, all LA/magnum blocks have it under firewall.. biggest thing? the dang factory puts a big ol' plastic shield on newish hemi-'like' engines that reads HEMI, and is pretty hard to miss..