We are building a lot of Big Block Chevy street engines in last month. This 427 is 30 over with a small cam. First dyno pulls after break in managed 457 HP and 480 lbs TQ. The customer was very pleased with the out come.
![Big Block 427 Chevrolet](https://cjrombold.com/wp-content/uploads/2020/03/Mar-BB-427-HP-1170x780.jpg)
We are building a lot of Big Block Chevy street engines in last month. This 427 is 30 over with a small cam. First dyno pulls after break in managed 457 HP and 480 lbs TQ. The customer was very pleased with the out come.