Speaking of Z-28's; check out the new D/S record!

[Dan Bennett]

Originally Posted by Myron Piatek

HP factors to the '71's, which have the highest rating for Mopar 4 bbl small blocks. It's also how the '70 340 6-Pack Challenger T/A ended up in C/SA, and set the record at 10.33! They are not that heavy either.

1970 340 4bbl's have a smaller carb and the '72's lost compression and valve size.

Thanks for the answer. I really appreciate it.