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Garrett GT4202 on a 408w, twin gate or single large gate?

Discussion in 'Turbo Tech Questions' started by Teh Wicked, Feb 28, 2016.

  1. Teh Wicked

    Joined:
    Aug 7, 2012
    I'm in the buying stages of parts and I'm curious as if I would be better off running twin 39mm Precision waste gates or the single 66mm?

    408ci SBF, 10:1 compression, Hyd roller, street duty, Dominator EFI with 93 octane and E85 tunes.

    Single Garrett GT4202, 74mm/102mm with a T6 flange and 1.10AR
     
    Teh Wicked, Feb 28, 2016
    #1

  2. Mnlx

    Joined:
    Sep 20, 2009
    Only reason that I'd go twin would be placement. If you can get a big single in a location where it will flow well i'd go that route for simplicity. What's the rest of the combo, and goals, a gt42 sounds small for 408 cid? A single 60mm has more area than 2 39's, and twin 44's are close in area to the 66mm.
     
    Mnlx, Feb 29, 2016
    #2
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