Alss,
You can give Carl or Gary a call at Rogers Speed Shop in Garwood, NJ. They are an old time engine machine shop from back in the day. They do all my machine work. They are familiar with Olds engines, too. They built the W-31 engine in my buddy's Rallye 350 and it screams. Their inventory of BB Chevy parts is a sight to behold, as well.
http://www.nj.com/cranford/index.ssf...ebrates_5.html
(908) 789-1322