March Underdrive pulley?
03-09-2012, 08:17 PM
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March Underdrive pulley? I am debating back and forth about an underdrive crank pulley setup. I have a 2005 GTO with a heads/cam/intake setup and I plan on doing a few HPDE track days at some of the local road courses. I've read to stay away from the SLP/ASP units due to harmonic issues causing broken timing chains. Is the March a better choice since its fluid dampened? Do I just need to pony up for the ATI even if its only going to see the road course a few times a year? Any first hand experience with the march balancer and road racing? Thanks
