Engineers at Speedmaster continue to prove beyond limits of how much their engines can handle. The 540-inch Chevy big block project puts out an impressive 649 horsepower from the crate, tuned for max boost and nitrous injection. On dyno it gained a remarkable 30 percent more power, overall measuring at 939 horsepower.
Read more about Nitrous, turbos and supercharges in the latest PRI issue. (Page 60)
Get a sneak peek at the technology set for display in Machinery Row at #PRI2017, as well as the latest in power adders, header designs and more in this month's edition of PRI Magazine.
Read online: https://bluetoad.com/publication/?i=424735
Source: Performance Racing Industry