LA / Magnum blocks

Magnum

Superior pan and valve cover gasket
better factory machining
Hyperuetetic pistons
Metric rings
Lighter rotating mass
Heads as Good as any stock 340
1.6 rocker arms
Factory roller camshaft
Dead end bolt toles, not water leaking problems like LA
ETC

Comlete motor trans bracket pulleys etc.
$359-600
Good enough for me.