One very popular late model GM shop, ZZ Performance, recently hosted just the thing the 3800 and W-Body crowd needed with their own exclusive dyno day.
As the first of the ZR1 deliveries are being taken by their owners, people are wanting to see if the horsepower claims by GM are legitimate, and that’s not just limited to the people who ...
The 2006 TBSS is a mean little SUV, and it's even meaner once Livernois gets ahold of it! See what happens when they put their Stage 2 package on this TBSS.
What do you do if you have the wherewithal and the desire to create the most powerful 6MT CTS-V in the world? Apparently you call Vengeance Racing and turn them loose on your 2009 CTS-V ...