did the 1970 chevelle come out with a 300 engin
No, dn10987. Engines available in the '70 Chevelle were two versions of a 402cid engine, one rated at 350bhp and the other at 375bhp, and two versions of a 454cid engine, one rated at 360bhp and the other at 450bhp. The Muscle Car Club site has loads of this sort of information: http://www.musclecarclub.com/main.shtml. Enjoy!
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