Yes they are wastegated.
Here is the 62:
HTB2 Turbo or Phat Shaft - D-Tech Turbo Diesel Power Source
It is an s300 base I do believe.
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My truck: 06 5.9 G56 4x4 Quad Cab Short Bed Patriot Blue. Smarty TNT, Valair 3600DD, DiPricol's, Home made intake w/ amsoil filter, Straight Piped w/ 7" tip, silencer ring MIA, glove box sticker MIA 2/28/09-470hp/980tq
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