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Originally posted by red58:
there shouldn't be any heating issues with any small block behind a TF rad, AC or not, but it's mandatory to have a shroud as the engine sits too far back to actually function properly

Bill
yep!

people often forget that part. I've seen the same thing in vettes. Spend a ton of money on aluminum radiators, electric fans, etc, when all they really needed was to get the air through the radiator (barring a clogged up radiator, of course)