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>From what I have, the block is a 1964-67 Chevelle, 1965-67 Full size, or 1967 Camaro use. The HC is for an Impala, 275HP, Powerglide, with AIR The info is from the Chevrolet Parts Interchange Manual Brad Waller '67 Chevelle '66 Corvette On Sat, 23 Feb 2002, malibuSS wrote: > Hi everyone......... > I have a 327 with casting numbers 3903352and a HC stamped on > the pad infront of the right cylinder head. Can anyone tell me what > the HC means and what was the original application and horsepower of > this engine...I'm kinda stumped cause I thought an HC was a 350 > 2bbl.....Thanx for any help................John > ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]

