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I need a little bit of advice. My boss is building a trail buggy (see the attached picture) with a 2000 LM7 (with around 100k) as the powerplant connected to a th400. He was looking for more power and I have swayed him into doing a basic twin turbo setup.
What he's looking for is low-low (least lag possible) rpm power on demand that'll hold nicely up until 5500-6000rpm. He is looking into an LS6 cam as well as upgraded springs to accompany this TT build. Could anyone help choose two decently sized turbo's that'll spool quickly off the low end? This is going to be an "all-around" rig but rock crawling is it's primary job.
He's shooting for somewhere between 450-525whp that'll be reliable. Any advice would be greatly appreciated.
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Twin turbo trail rig - advice needed 
