This classic Chevelle has been pulled out of the 20th Century and into the 21st courtesy of an all aluminum Chevrolet LS V-8 and a Tremec 6-speed manual transmission. If the engineers of the 60's were alive today, this is THE driveline they would have selected to go in at the factory. Nothing is more fun to drive than a classic A-body with a modern fuel injected engine and a god's honest 6-speed manual do it yourself transmission!…