Originally Posted by 2cnd chance
The LS7 is a high revving SB. The limit on CI was due to the Trans Am series and nothing else. As a matter of fact the Z28 in 1970 had a 350 CI engine due to a TA rule change.
Yep, and the 1970 340 Sixpack AAR Cuda was introduced to compete in Trans Am racing also. It was a good era when dealerships had the saying "win on Sunday, sell on Monday"