| produce more power? What exactly are the sport 600's? Do they have 5-bolt exit flanges? Do you know if there are any ball bearing turbos that have stock mount and lag capabilities and power in 500-600 range? If I go with conventional bronze bushing/seal turbos, has the seal technology got any better in the last 10 years, so turbo seals aren't as "vulnerable" to a little extra boost? I have a Subaru WRX STi, and that turbo seems to be able to take anything, have 300zx aftermarket turbos got to that point yet? Thanks for your help again
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