The test engine was also equipped with a set of Hooker 1¾-inch long-tube Fox-chassis headers, a Meziere electric water pump (for ease of dyno testing), and a FAST XFI management system.

We’re throwing serious upgrades at Kyle’s E92 BMW—from intake to exhaust, tune to turbo—and hitting the dyno after every major change. See which mods actually make power, and which ones ...

We put our Stage 3 built-engine F90 M5 to the test on the dyno! With custom tuning and serious power upgrades, can we break the 1000HP mark? Watch the full run and see the results!

Update #1 September-1-2010 02:49 PM PDT: Our friends at Diesel Power are also testing a 6.7L Power Stroke V-8 this week. Check out the results of their pre-flash dyno run.