I'm going to start collecting threads to include in this category here. PM me with suggested links and I'll try to include the good ones here. This is a work in progress. One of the best and most comprehensive sand casting threads here on the HAMB, how to make a bellhousing out of an intake manifold by loudpedal: http://www.jalopyjournal.com/forum/showthread.php?t=464599 A great sand casting thread by alchemy: http://www.jalopyjournal.com/forum/showthread.php?t=462249 Making a finned AMC oil pan by juhap: http://www.jalopyjournal.com/forum/showthread.php?t=687193 Making finned valve covers by Carb-otto: http://www.jalopyjournal.com/forum/showthread.php?t=144695 A three-part series on making taillights by Smokey - some other cool fab tips in here too: http://jalopyjournal.com/forum/showthread.php?t=48504 http://jalopyjournal.com/forum/showthread.php?t=48868 http://jalopyjournal.com/forum/showthread.php?t=49040 Using pewter to cast a name plate: http://www.jalopyjournal.com/forum/showthread.php?t=731562