Gen2 w/ Gen5 Whipple Custom Tune

Discussion in 'Forced Induction - 5.0L V8 Engine' started by Wolvee, May 28, 2020.

  1. Wolvee

    Wolvee Well-Known Member

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    #1 Wolvee, May 28, 2020
    Last edited: May 28, 2020
    I'm surprised I can't find the answer on my own. I just ordered a Gen5 Whipple Stg2 Kit w/ Tune Delete and Long Tubes from BeefCAKE BeefCAKE! With a Custom Dyno tune, what should I expect for rwhp and what's the smallest pulley I can run on 93?

    I have of course, found plenty of the other Gen2.9's but nothing for this setup mostly stock.

    The car is simple, PP GT with Stock '16 longblock, RST Clutch with Aluminum FW, x-pipe & an Axle back. Still has the 3:73's. (Chassis and Suspension are done minus the tires.)
     
  2. TX-Ripper

    TX-Ripper Well-Known Member

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    Lund will likely only want to go 3.5 or 3.625.

    650-680 depending on fuel
     
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  3. OP
    OP
    Wolvee

    Wolvee Well-Known Member

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    Well, that would be disappointing. I guess I'll need to step into a fuel system sooner than I thought.
     
  4. AZ_whippleS550

    AZ_whippleS550 Well-Known Member

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    so I put down 690 on gas plus boostane on the 3.87 on the whipple calibration stock manifolds and cats
     
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  5. moffetts

    moffetts Well-Known Member

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    The 3.73s are going to be a handful and a half even at 650 wheel, especially if you’re on street tires. Don’t fixate too much on the power numbers because I think you will be surprised how much you will need/want to shore up before you worry about beefing up the fuel system and pushing the numbers higher.
     
  6. hoot12

    hoot12 Well-Known Member

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    3.625 is the lowest pulley i thought you can go on 93....at least that is what I did.
     
  7. TX-Ripper

    TX-Ripper Well-Known Member

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    You don’t want to go more then 10psi (the headers will help lower that)
     
  8. hoot12

    hoot12 Well-Known Member

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    I had full stainless works headers, h pipe, cat back. From what I was told the 3.625 was lowest you could go on 93. Had I swapped to E85, then the skys the limit on pulleying down. And yes, I had the triple pump fuel system for whatever direction I wanted to go. E85 was not readily available in my area so I just stay on 93. Trust me, the car was/is no slouch with the 3.625 pulley on 93.
     
  9. moffetts

    moffetts Well-Known Member

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    Even if you could find someone to tune for that setup, you’re seriously playing with fire and you could easily blow it up.
     
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  10. khsonic03

    khsonic03 Well-Known Member

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    I put down 750whp and 570tq. Gen 5 on a gen 2 motor. 3.73s. 3.875 pulley. 93 gas, no octane booster. Stainless works LTH. PBD tune. Other mods in my sig.
     
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  11. Whitedevil95

    Whitedevil95 Well-Known Member

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    Seems like the newer blower guys Gen 4/5s are hitting 700 on pump gas with custom tunes.
     
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  12. TX-Ripper

    TX-Ripper Well-Known Member

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    #12 TX-Ripper, Jun 11, 2020
    Last edited: Jun 14, 2020
    I hit 680rwhp on Whipple tune with a splash of boostane.

    (3.875 pulley and mak Off-road)

    If I had revved it higher it would have hit 700.
     
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