Used Many times - Have a 379 Ci chev small block runs 9.68 et at 136 mph in Seattle at 1500 DA in 2900lb car. Great power. Mike and crew are very meticulous and perfectionists. They build all types of engines but specialize in racing engines. Chevrolet, Ford and Mopar. Mike owns all three. A chevy 540 ci. A ford 496 Ci. and Mopar 340 ci. All run great and last a long time with little maintenance. Frien just purchased a 540 ci chev for Camaro. Great power.