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Thread: SBE 302 Turbo selection?

  1. #1
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    SBE 302 Turbo selection?

    I am putting together a budget turbo kit for my SBE 302 and planned to run a cheap GT45, but I have the opportunity to buy a Borg Warner S366 at a pretty good price. I already have the GT45, but am worried it won't start building boost quick enough. 1) Do you think the GT45 would pair well with the 302? 2) Would I benefit more from the S366? 3) Also open to other opinions.

    Setup is SBE 302, TFS 170s, 4150 EFI intake and elbow, E85, non-intercooled, TKO600, 3200 lbs.

    GT45: Trim: 69
    A/R: .66
    Inducer: 68.7
    Exducer: 97.8*
    Turbine:
    Trim: 92
    A/R: 1.05
    Inducer: 87.4
    Exducer: 77*

    S366: Compressor Wheel Inducer Diameter (mm): 66mm
    Compressor Wheel Inducer Diameter (in): 2.6
    Compressor Wheel Outer Diameter (in): 3.6
    Turbine Wheel Outer Diameter (mm): 80mm
    Turbine Wheel Outer Diameter (in): 3.14
    Turbine Wheel Exducer (mm): 73mm
    Turbine Wheel Exducer (in): 2.89
    Turbine A/R: 0.91
    Turbine Inlet Style: T4
    Scroll Type: Twin

  2. #2
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    The gt45 will be a little laggy but the s366 should make boost quicker and be plenty for your set up. All depends on hp and et goals. But with a stick if it were me, I'd run the s366.

  3. #3
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    I gotta ask- whats the SBE in "SBE 302" mean? Never heard that one before. Small block engine?
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  4. #4
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    Id run the S366 also. The 1.05 A/R on a stock bottom end will be very slow to spool.

    - - - Updated - - -

    Quote Originally Posted by IWRBB View Post
    I gotta ask- whats the SBE in "SBE 302" mean? Never heard that one before. Small block engine?
    Stock Bottom End
    1992 Mustang LX Coupe, 302, PA C4 and On3 70mm.
    1993 Reef Blue hatch, 347, 3550, and a kit.
    1992 Gould GT project...

  5. #5
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    https://www.theturboforums.com/threa...321736/page-27

    Great thread to read about gt45 turbos.

  6. #6
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    Quote Originally Posted by draggin50 View Post
    Id run the S366 also. The 1.05 A/R on a stock bottom end will be very slow to spool.

    - - - Updated - - -



    Stock Bottom End
    Thanks, I was wondering as well.

  7. #7
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    New Facebook lingo used in the LS world!!! Don't ask me why I know this!
    1992 Mustang LX Coupe, 302, PA C4 and On3 70mm.
    1993 Reef Blue hatch, 347, 3550, and a kit.
    1992 Gould GT project...

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    I hate facebook, now I have another reason. Lol.

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  10. #10
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    Out of those two I would go with the Bog Weiner 366.

  11. #11
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    Quote Originally Posted by 2-Tone View Post
    Out of those two I would go with the Bog Weiner 366.
    Hahahaha!!!!
    1992 Mustang LX Coupe, 302, PA C4 and On3 70mm.
    1993 Reef Blue hatch, 347, 3550, and a kit.
    1992 Gould GT project...

  12. #12
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    Thanks guys. I'll go with the S366. SBE,,,,, I have been hanging around too many LS guys

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