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Does anything think that overdrive or underdrive pulleys are a worth-while investment? I have a 94sc300 with pretty much all mods under $400 done. I was looking on importtoys and noticed they had od and ud pulleys, as well as Cam sprockets. the pulleys are $150 each for the set of underdrive as well as the overdrive. What do cam sprockets really do?...is any power added?
I guess im asking is it worth $300 for both sets of pulleys? Will I notice a power gain...and what would it be in reality? Will there be any problems with the car getting power...I have a 500watt amp and 1 sub running as well.