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3.4 CRUSHER INLET HP Gain

Discussion in 'SVT Shelby GT500' started by BrokenCool, May 3, 2012.

  1. BrokenCool

    BrokenCool LOL @ Retiring Established Member

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    I started a thread not to long ago about what my next mod should be...I ended up getting my hands on a crusher inlet for my 3.4 Whipple :banana:

    I haven't seen anyone provide before and after numbers of the inlet upgrade aside from Lethal. So I wanted to get everyones predictions on my HP gain from the inlet? My dyno session is Saturday so I will let everyone know the actuals then.

    Mods are:
    3.4 Whipple 3.625 Pulley
    Whipple TB
    Whipple CAI
    O/R X Pipe & Muffler Delete
    BAP
    C&R HE

    I'm still on stock injectors but I'm hoping to not to run out of fuel b/c Ive read they are good to 700-725rwhp :shrug:

    Dyno numbers on standard inlet were 665/642 on 93 Octane.

    NEW NUMBERS 718/653 on 93 Octane!!!!!!!:rolling:

    http://i1174.photobucket.com/albums/r605/04mystic671/photo-1.jpg
     
    Last edited: May 5, 2012
  2. BossAnaki

    BossAnaki Member Established Member

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    15-20rwhp:shrug: Good luck!!!
     
  3. crazyrifle

    crazyrifle Member Established Member

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    kb ftw
     
  4. Ironhand

    Ironhand Banned

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    JRs car picked up 120rwhp on high boost. :shrug: It should pick up more then 20 rwhp on pump gas with a 5.4.

    His Whipple powered car still holds the record for the fastest Twin Screw powered 03-04 Cobra.
     
    Last edited: May 4, 2012
  5. Carbd86GT

    Carbd86GT You're Gator Bait Established Member

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    It depends on the boost you are going to be running. With your pulley combo, you're not making much boost (if using the stock lower) so the gains won't be as drastic as a car making 20+ psi with the standard inlet. I would think at the ~16 psi you are making, you should see an increase of about 2 psi with the same pulley and about 30-40 rwhp.
     
  6. Posi

    Posi Had a blast. Established Member

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    Are you changing it on the dyno by chance? If not a dyno can easily be off 20hp from one day to another. I've been there and done that and since then we test everything the same day with the car staying strapped down.
     
  7. crazyrifle

    crazyrifle Member Established Member

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    its a 500 not a cobra
    :burnout:
     
  8. Ironhand

    Ironhand Banned

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    Thats why I said it should pick up more then 20rwhp on a 5.4L.
     
  9. BrokenCool

    BrokenCool LOL @ Retiring Established Member

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    Unfortunately, no.
     
  10. Posi

    Posi Had a blast. Established Member

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    ^Have them overlay the 2 graphs when you're done to compare them both. Good luck as well.
     
  11. crazyrifle

    crazyrifle Member Established Member

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    ironhand my shelby With the 2.8 kb 18 psi and l/t puts down 726 rwhp on 91 octen sae#


    by the way its a 2.8 NOT 3.6 and still more efficient then the 3.4
     
  12. Ironhand

    Ironhand Banned

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    Every dyno is different.
     
  13. Carbd86GT

    Carbd86GT You're Gator Bait Established Member

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    We also made 726 rwhp with a 3.4L with a standard inlet at 18 psi, different dynos, different results. Our car also went 137 mph in the 1/4 with that HP, so I think our dyno was a little on the low side :coolman: The 2.9's make similar power since they already have the larger inlet.
     
  14. bambinov8

    bambinov8 600WHP LOL Established Member

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    Update for the OP !!!!!!!! 47whp gains !!!!! :rockon:
     
  15. BrokenCool

    BrokenCool LOL @ Retiring Established Member

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    52whp gain :beer:

    Dyno sheet to be uploaded shortly!!!!!
     
  16. UnleashedBeast

    UnleashedBeast Engine Lubrication Guru Established Member

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    See what happens when you choke off a blower.
     
  17. bambinov8

    bambinov8 600WHP LOL Established Member

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    Thanks to you on our convo on fb I convinced him on going that route :)
     
  18. UnleashedBeast

    UnleashedBeast Engine Lubrication Guru Established Member

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    I'm ready to see the dyno sheet. What were his final number, what fuel, what boost?
     
  19. bambinov8

    bambinov8 600WHP LOL Established Member

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    I believe he's at 18-19 PSI ... Made 717/65x ... He has a Kb boost a pump with stock pumps , stock injectors .. His injectors duty cycle are 95% so he's aware about going 72lb 's very soon ...we are running this weekend ! I'm expecting an loss FTL although when he was making 670whp I was faster on top end.. I'm really happy for him though , he really wanted to hit his 700whp + goal
     
  20. BrokenCool

    BrokenCool LOL @ Retiring Established Member

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    It will be good run, thats for sure!

    I am little worried about my injectors tho. I do not want to run lean at WOT. Next mod will be injectors:rockon:
     

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