Iron 5.7L LS1 budget engine dyno run - Fast 92mm Intake We took the rotating guts from an LS1 engine and stuffed them into a bored out 5.3L block for a budget engine that put out over 450 horsepower ...

There has been a movement within our hobby over the last several years to update vintage iron with an eye toward modern-day performance, reliability and, most importantly, drivability. Call it Pro ...