based on the cars that we have out there... no real maintenance issues with the cars bud. The vq37hr is pretty stout and can handle quite a bit. Most supercharged cars that have been hurt was due to improper install or tuning, or parts failures. we have a handful of HR cars out there and a 2 s/c'ed 370zs from the last two years that are only back for their regularly scheduled maintenance and /or other upgrades.
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