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Boss 302 engine capability???

Discussion in '2012-2013 Boss 302 Mustang' started by Reptar13, Dec 5, 2016.

  1. Reptar13

    Reptar13 Member Established Member

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    What's the most someone has pushed these motors to?? For how long?? What power adder?? How consistently do you get on it??

    Thanks in advanced.


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  2. bosscj

    bosscj Well-Known Member Established Member

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    I can't speak for big power adders....I'm running full cobra jet setup....fixing to add 47# injectors for e85 and kooks long tubes and h pipe...and I romp on mine pretty good anytime I drive it....I know w/ big power adders it's all in the tune and the style of driving.... i.e. you take care of it...it takes care of you kinda thang

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  3. oldbones

    oldbones The blue bowtie Established Member

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    Ever had it on a Dyno? or the track?
     
  4. bosscj

    bosscj Well-Known Member Established Member

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    No not yet....in my area dyno machines are few and far between....and haven't had the opportunity to get to a track to see where I'm at with the mods....but I think he's asking about BIG power adders like 4.0 liter superchargers or twin turbos or big single turbo kits....not necessarily full bolt on's

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  5. tek302

    tek302 Member Established Member

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    I have every bolt on minus cobra jet setup. Before kooks shorty headers and frpp driveshaft on AED flex tune. It made 438 and 398. I imagine it's around 445 and 415 now.
     
  6. bosscj

    bosscj Well-Known Member Established Member

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    I'm in the process of installing 47lb injectors on mine to do e85 and I'm gonna use Shaun's flex fuel tune....could you tell me how you like it?

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  7. Zemedici

    Zemedici Well-Known Member Established Member

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    Got a customer with a 13. He's got a vortech, is on E85 with ID1000s, and a 3.33 pulley, makes right at 800whp.
     
  8. Reptar13

    Reptar13 Member Established Member

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    How long has he been around that power range?


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  9. tek302

    tek302 Member Established Member

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    It's great. Running 29 to 30* of timing if I remember correctly. No drivability issues switching between fuels.

    He will do a data log on 93 with your injectors then let you loose for E85 when your ready. No need to data log on the E. It ramps up timing to a max per the ethanol readings from your wide band sensor
     
  10. Zemedici

    Zemedici Well-Known Member Established Member

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    12-16 months or so, daily driven. He knows the potential what may happen though.

    Fun fact : he called us about 3 weeks ago and wants to up the power....not without a fully built motor man. hahaha
     
  11. bosscj

    bosscj Well-Known Member Established Member

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    Awesome!!!! Thanks for the info

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  12. mystickb1996

    mystickb1996 Active Member Established Member

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    A lot of people have made over 800whp. I have a new 2.9 whipple on my 13 boss LS. It's running 10-11lbs tuned by aed. Makes around 710-720whp and has been flawless. These motors love boost.
     
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  13. gimmie11s

    gimmie11s Well-Known Member Established Member

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    which vortech.. the v3? If so, that is a huge number for a "small" head unit. Awesome.


    OP.. as im sure you know, the Boss motor was nicely over built by Ford. The rods are stronger than GT 11-14 rods, the pistons are forged, the crank is forged, and the heads while CNC ported, are also made out of a different aluminum than the standard 11-14 to withstand heat better (think prolonged track sessions).

    To say these motors are tough is a massive understatement.


    If I had a Boss 302, id add boost to the tune of 750 whp or so, and go to bed each night resting peacefully knowing the motor will withstand that amount for a LONG time.
     
  14. GrabUblue

    GrabUblue Member Established Member

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    I have a cpr snail on the way. I will be shooting for high 7s with opg's. I've seen many pushing high 7 low 800s.
     
  15. kcobra

    kcobra MUSTANG MANIAC Established Member

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    I've been making over 720 RWHP for over 14000 miles without a hiccup. Car is very reliable. Great motor.
     
  16. bosscj

    bosscj Well-Known Member Established Member

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    If you don't mind me asking what adder are you using??

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  17. kcobra

    kcobra MUSTANG MANIAC Established Member

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    Paxton H.O with 3.47 8 rib set up.
     
  18. bosscj

    bosscj Well-Known Member Established Member

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    Oooooo very nice!!!

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  19. cprboss

    cprboss New Member Established Member

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    I started with a paxton and eventually got to 675 rw at high altitude - Denver. Ran it for 2 years and installed a CPR single. Have been in the 800-870 rwhp range, probably seen 900+ a few times lol. Has run a best of 9.29 @ 145 so far w a th400 and little seat time. I love the motor and also the turbo kit. Stock motor except for opg's.
     
  20. Punisher1401

    Punisher1401 Member Established Member

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    Cprboss. That's awesome!!
    I'm at 747rwhp and been there for awhile. No issues with Paxton
     

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