Re: What BB cars came without AIR injection systems?
1969 396/325 HP automatic trans.
1970 396/350 HP cars irregardless of trans type.
Not real sure on what occurred prior to 69, I think that was a high horsepower/4speed trans combo and/or west coast thing for smog... I know I have seen 66 Chevelles 396/325 HP 4 speed west coast cars with it..
Not too sure after 1970 what was a requirement... I'm guessing it was getting pretty standard by this point..
Rich
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