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VMP Gen 2 case and intake porting results...

Discussion in 'Power-Adders' started by 11Sec_Lx, Dec 4, 2016.

  1. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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    I had Bret Barber at Airflow Flow Solutions, port my lower intake and supercharger case. Here are the results. Bear in mind that these pulls were done in 3rd gear as I have a 12' car and didn't get a dyno lock file for 4th gear before my "before" dyno test, so I dynoed in 3rd for the after numbers for consistency. I don't run as much boost as most with a built bottom end do, so I was unsure what to expect. I gained almost 34rwhp! Boost dropped 4lbs from 15.5 to 11.5. There was no ice used for the before or after. My modifications are as follows:

    https://www.facebook.com/Airflowsolutions/

    JLT Big Air
    VMP Twin Jet 67mm
    VMP Gen 2
    69mm pulley (6 rib) - Stock lower
    Stock manifolds
    X-pipe
    Modified stock over axles
    Custom 50 series Flowmaster axle back (2-1/2")
    Stock 6r80 and stock converter (FTW!)
    Fore fuel system on E85

    Thanks Bret!

    [​IMG]
    [​IMG][​IMG]
     
    Last edited: Dec 4, 2016
  2. vortecd

    vortecd Well-Known Member Established Member

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    Not bad results for just opening up the intake
     
  3. vortecd

    vortecd Well-Known Member Established Member

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    what happened with the 72mm TB and 148mm JLT?
     
  4. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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    I ran out of time with the 148mm. It should be ready this week and on the car, but dyno testing will probably have to wait for spring as I'm switching back to 93/Torco for winter today.

    I tested the 72mm. Another post will follow soon.
     
  5. GNBRETT

    GNBRETT Well-Known Member Established Member

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    not too bad. wud like to see wat it does on 93 pump. how much did they charge for 34 hp?
     
  6. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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    Hey Brett. I do run 93/Torco occasionally, but haven't dynoed on it. Lower intake and case porting is around $1500. The more boost you run, the bigger the gains of course. Imo this is extremely reasonable considering it increases power and torque without requiring me to run any extra rpms or extra boost to get the gains, and it also dropped my boost pressure.
     
  7. Famine

    Famine Well-Known Member Established Member

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    I may have to do this down the line. How is the auto with the blower? Stock gear im guessing. I was contemplating a switch in transmission and wondering your thoughts on the 6r80.
     
  8. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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    To me it's a blast. My first auto. I can't say enough good things about it. I've had it for four years now.
     
    GNBRETT and Riddick like this.
  9. KG145.0

    KG145.0 Member Established Member

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    Did you have to do a tune revision or was this port only? thanks
     
  10. gimmie11s

    gimmie11s Handlebar mustaches... PSSHHH! Established Member Established Member

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    very common mod for the small blower GM guys (CTSV, old ZL1). Ive always wondered what porting would do on a bad ass blower like a 2.3 TVS.

    great results OP!
     
  11. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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    No tune revision, only change was the port.
     
  12. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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    Thanks Gimme11's!
     
  13. GNBRETT

    GNBRETT Well-Known Member Established Member

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    yea I agree thats FREE hp lol and wen u make more boost it will only benefit u more. I wud consider a methanol kit if ur lookn for more free hp on 93. only cause the E85 drinks gas! but then again if its local to u at every pump I guess it won't make much difference but I wud have a tune anyway.

    dont tune for fuel and u will be fine. I spend most of my life in the Turbo Buick world and Alky kits there are as common as rubber tires on wheels. don't see a lot of guys running alky kits in the Mustang world but I'm currently putting one on my Turbo Mustang now so I will let u know how it pans out

    gonna do a base pull first with str8 93 octane then install the alky kit and retune it and see wat it does.

    yea Auto is the shit! never goin back to a stick! did u change ur converter? that PD has gotta be a blast on the street with that Auto makn almost 800 hp lol dam that sounds fun!

    that 4 lb drop is just crazy! money well spent for sure!

     
    Last edited: Dec 30, 2016
  14. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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    Thanks man. My car is a weekend toy and yes, there is a good source for E85 very close to my house.

    Stock converter. It was a part of the plan with the 6R80/TVS way back when, in 2012 when I decided to do this. I saw the success that the Starkey's (VMP) were having with Rebecca's car and wanted to emulate it.

    Did you see my other thread with the throttle body test after the port? I picked up even more.

    Definitely post your results. I think methanol injection for octane isn't a big deal in the Mustang world since we have E85. I do think it could have more of a place with the centrifugal and turbo crowd than it currently does for intercooling.

    And yes, I am 100% pleased with the port work.
     
    Last edited: Dec 30, 2016
  15. Famine

    Famine Well-Known Member Established Member

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    Are you planning on going with a different converter?
     
  16. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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    Definitely not planning on a new converter. I like the stock piece. With the power delivery of the VMP TVS, the car is very responsive at any rpm and just a blast.
     
  17. Famine

    Famine Well-Known Member Established Member

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    Thanks man. I was just curious because im trying to come up with a game plan for my 6r80 swap. Didnt get any replies in my thread asking which converter to go with.
     
  18. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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    Weird. I would have responded to it had I seen it.
     
  19. RusWolf

    RusWolf Active Member Established Member

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    hold on!

    800WHP/650WTQ on 11,5 PSI?!

    WTH thats amazing!
     
  20. 11Sec_Lx

    11Sec_Lx Well-Known Member Established Member

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