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383 FI Dyno Numbers

This is a discussion on 383 FI Dyno Numbers within the Dyno Information forums, part of the Racing Forums category; Well after getting to the shop. I was told the Dynojet wasn't working and all they had was a Mustang ...

  1. #1
    Blown, Stroked, & Sprayed

    Ed Blown Vert's Avatar
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    Aug 1999
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    San Diego, Ca
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    Black
    383 Procharged & N20 Vert

    383 FI Dyno Numbers

    Well after getting to the shop. I was told the Dynojet wasn't working and all they had was a Mustang Dyno .

    Even though the Mustang Dyno read lower, its actually better for tuning. Soo...........

    I could only get 7# of boost. Not the 10-12 I was hoping for. (Time for a smaller blower pulley)
    And running really rich 11:1. I ended up with:

    550.5 RWHP - 505 RWTQ - 7# Mustang Dyno


    Black 1999 Blown Convertible A4
    Forged 383, ATI D-1SC
    NX MAF Kit | 222/226 .585 115
    AS Stage II 6.0L FI Heads
    Moser 9" | 3.70 | Wavetrac | 35 Spline | Vigilante 3600
    548.0 RWHP - 563.8 RWTQ - 10# - D1

    666.0 RWHP - 734.2 RWTQ - 125 Shot - P1

    Black 2009 Escalade Hybrid 4WD
    Black 2008 GMC Yukon Hybrid 4WD (Totaled)

    Black 2013 Chevy Volt (Gone)

  2. #2
    Member
    Join Date
    Aug 2005
    Location
    Los Angeles
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    44
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    182

    Black
    2001 Trans Am WS6

    Nice numbers, your 1/4 mile time should definitely be lower then what it is though. Please tell me you have a 12 bolt rearend?

  3. #3
    Blown, Stroked, & Sprayed

    Ed Blown Vert's Avatar
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    383 Procharged & N20 Vert

    Thats the next purchase.

  4. #4
    JRocket
    Guest
    Nice numbers indeed...Also nice to see 2 other people in the So Ca area that are into LS1's.Seems the majority of the people that are into these motors are mid west or back east.Anyway maybe one or both of you guys could help me out here.Im looking to build an LS1 and put into an older car,but need any ideas of where a repuatble shop is here in So Ca where I can buy a used motor/trans setup and also who do you guys use for your parts and tuning?Ive been doing alot of searches on this site and have got alot of info down but thought I would bring this up here as well.

    Was that all done with the stock ECM?

  5. #5
    Blown, Stroked, & Sprayed

    Ed Blown Vert's Avatar
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    Aug 1999
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    San Diego, Ca
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    Black
    383 Procharged & N20 Vert

    I tuned it with HPTuners, but still the stock PCM.

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