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mcashman · 04-04-2013, 10:30 AM

i have bare set of small block chevy heads. Casting # 3795896 date code 64. i know they are off of 283 or 327 with 60cc chamber an small valves but under the casting# is a large xt what doses that stand for and are they anything specail?

04-04-2013, 10:30 AM	#1
mcashman Junior Member Join Date: Oct 2007 Location: Westminster MD Posts: 82 Likes: 16 Liked 6 Times in 3 Posts	small block head question i have bare set of small block chevy heads. Casting # 3795896 date code 64. i know they are off of 283 or 327 with 60cc chamber an small valves but under the casting# is a large xt what doses that stand for and are they anything specail?