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factory freak bolt on dyno!

This is a discussion on factory freak bolt on dyno! within the Dyno Information forums, part of the Racing Forums category; I don't know about calling a mustang dyno "more accurate." the only difference is that mustang dyno's apply resistance at ...

  1. #21
    SUPREME member-oderator oneBADDz's Avatar
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    I don't know about calling a mustang dyno "more accurate." the only difference is that mustang dyno's apply resistance at the rollers and dynojets spin freely. I would use "more accurate" a little less loosly, most people use dynojets and so most numbers you hear are dynojet numbers, mustang dyno numbers are the oddball numbers that you don't hear near as often. It's WAY too easy to mess up a dyno run on a mustang dyno, applying too much or too little resistance etc. . .a dynojet is much more consistent with it's numbers.

  2. #22
    ILL SKEET IN YUR EYE
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    those are okay numbers seeing...that you dont have an ls6 intake ,pulley or tb

  3. #23
    SUPREME member-oderator oneBADDz's Avatar
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    It's an 01, it comes with the LS6 intake

  4. #24
    ILL SKEET IN YUR EYE
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    02 z28

    i was remarking to (annaversary 30) he has an ls1 intake

  5. #25
    Senior Member mrr23's Avatar
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    to say a mustang dyno is more accurate, would be inaccurate. mustang dynos aren't any more accurate than a dynojet. i did a test on a mustang dyno. changed the vehicle weight and gained 5 rwhp with no changes to the car.

    mustang dynos use an eddy brake to simulate rolling resistance. dynojets usually dont have one. you can buy an eddy brake unit for the dynojet. so, if i go and dyno on a dynojet with an eddy brake, which one is 'more' accurate now?

    BTW, NASCAR uses dynojet to compare team cars to qualify for racing. not mustang dyno.

  6. #26
    used and abused at wot ibanez7's Avatar
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    I feel that mustang dynos are more accurate to real world application.

    The PAU was set in the high 500s and the wieght was set to the stock weight of 37xx

    nonetheless on the dynojet I dynoed just under 380rwhp.

    three pulls on the mustang dyno was consistantly around 357
    three pulls on the dynojet dyno was consistantly around 376


    and my car trapped 116 at the track


    so yeah I would chalk up this ls1 as a very healthy bolt on runner!

  7. #27
    ILL SKEET IN YUR EYE
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    ibanez-what are your mods to get 376 rwhp---

  8. #28
    Senior Member Musclefan21's Avatar
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    Quote Originally Posted by Mach1Mustang View Post
    The real dyno is the track!!!
    if the real dyno is track, then my BONE STOCK 06 stang GT is making 300rwhp

    cuz i ran 13.43 @ 102.38 mph bone stock to the air filter

  9. #29
    HUNTER S. THOMPSON FAN Raoul-Duke's Avatar
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    Quote Originally Posted by ibanez7 View Post
    car dynoed : 2001 camaro z28 m6 (3.42 rear)
    miles 106,xxx

    power mods:

    all bolt-ons

    Exhaust:
    hookers LTs
    ORY - no cats!
    flowmaster muffler
    flowtech cutout (open)

    Intake
    ported/polished throttle body
    bumpstop mod
    Fernco smooth bellow
    SLP Lid
    SLP MAF

    Engine:
    SLP Underdrive Pulley

    Its a full bolt-on car.


    First off thanks to Tony and the guys at OUTLAW for getting my car on their mustang dyno.

    Now as far as the dyno numbers.

    357 rwtq (not weather corrected)
    352 rwhp (not weather corrected)

    351 rwtq (weather corrected)
    346 rwhp (weather corrected)


    Since mustang dynos are more accurate then dynojets and show lower numbers, everyone expected my car to be at most 330 for a bolt-on f-body, which is the average for bolt-on fbods on a mustang dyno

    but nope! I am very pleased with these numbers as they are extremely strong.

    Last winter I dynoed the same numbers on a dynojet dyno, with a couple of less bolt-ons (underdrive pulley, bumpstop, ported throttlebody, etc). So yeah i was expecting lower numbers on the mustang dyno.

    On a dyno jet my car is at 376rwhp.

    Again both dyno reflect that my car is about 20+rwhp over the norm for bolt-on f-bodys!
    nice
    01 m6 z28 - lid / lt headers / 3' ory w no cats / flowmaster catback w 3' dmh e-cutout / nelson pcm tune

  10. #30
    General Mota's! stevegrizzle's Avatar
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    350 hp and youre trapping 116, wow.

  11. #31
    Junior Member smokin_ls1's Avatar
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    What was the ET?

    The only problem I have with your statement is that I know a few people who are making just like you said, about 20hp less than you. But they are doing it with 12bolt and 9" rears which cost you, get this, about 20hp. So I am also going with the thought that you are making average horsepower for an 01/02 f-body.

  12. #32
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    Mustang dynos are very wrong!!!!! A real dyno Texas Speed for EX, is a true dyno not a lift dyno you boys are getting screwed!!!

  13. #33
    HUNTER S. THOMPSON FAN Raoul-Duke's Avatar
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    omg..dude...dynojet are real numbers...mustang dynos are bout 20rwhp higher than what it really is...their pointless

  14. #34
    Did you actually dyno 376whp on a Dynojet or are you estimating? If you are, is 116mph indicative of 370-380whp?

  15. #35
    lurking since 2001 joezee's Avatar
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    not bashing, but...116 mph IS 375 rwhp , which would give a factory rating of 425 hp or so............so how does intake and exaust EVER add 75 hp ?????
    unless he bought the car new, ...sounds like a mild cam or heads or ????
    again all stock ls1s trap 105 to 110 at the freakish most,.....bolt on car running 116 ? am I missing anything ? most heads & cam cars WITH bolt ons run 115 to 120 right?? not bashing , just curious.
    02 z28 auto...13.1s@109mph on stock tires with 80+ temp....lid,filter,corsa cat back,hpp3.

  16. #36
    Senior Member Hurley711's Avatar
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    414 RWHP 395 RWTQ
    00 Black Ram Air Trans Am

    How is it a "Factory Freak" when it is HEAVILY modded?? A Factory freak is when the car puts down above average #'s while STOCK, not modded like yours is. Nice numbers though.

  17. #37
    Mrs.'s Boobies
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    ibanez7, you are not alone. I tuned this car with similar mods as your's, although with cats and on a DynaPack Dyno. If tuned right, some late production F-Bodies are putting down great numbers.

    Just got my car tuned...
    George P. Lara
    Mine 2001 Camaro SS #0391: FQuick Garage
    Mrs.'s 2002 Camaro SS #7072: FQuick Garage

  18. #38
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    I know you're talking about an M6, but 116 mph. i have an A4 with a factory converter/125 hp of nitrous/4.11 gears, 1.7x 60' with and 11.7x 1/4 mile trapping @ 117 mph spraying out of the hole. I haven't ever had it on a dyno, but would guess I am around 430-440 rwhp on the jug.

  19. #39
    ;) Packy's Avatar
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    Quote Originally Posted by ibanez7 View Post
    Trapped 116mph. at the track!

    What was your E.T.?

  20. #40
    Member ProwlerZ's Avatar
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    Your #s look about right to me. Full bolt on usually nets between 350-375 on a dynojet, so that gives you approximately 330-365 on a load bearing "mustang" dyno.

    Oh, and btw, a bolt on LS1 ain't keeping up with a Cobra putting down 440 on a dynojet. If so, something was going real wrong with the pony.
    She's baaaaaccccck...

    '02 Z/28 M6 Hardtop

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