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420A 704 spinning on the dyno

Posted by EsiGoneT-Esi, Feb 1, 2017

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  1. EsiGoneT-Esi

    EsiGoneT-Esi Proven Member

    98
    8
    Joined Jul 15, 2003
    tampa/brandon, Florida
    Well guys we have finally broke the 420a hp record. The prior record was set by dsmzero making 661 whp in a 63mm turbo and haltech. We are running the world's first 420a to run an Evo ecu and flash for tuning. We put down 705 spinning on the dyno over here at powertech. ARH autpmotive built the car and Carlos with bp specialty tuned the car. 6766 t3 frame, stock block with pistons and rods, stock crank, felpro metal hg, standard arps, crower valve train, ss 1mm oversized valves, crower 3 cams, amm intake and exhaust manifolds, e85 and bosch 2200s. 20170125_122804.jpg 20170125_122804.jpg 20170125_122804.jpg 20170125_122804.jpg 20170125_105036.jpg 20170125_105036.jpg 20170125_122804.jpg
     

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    Talon96fwd, Basick2G, rabenne and 3 others like this.

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  2. dsmcrzy

    dsmcrzy Proven Member

    1,121
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    Joined Dec 20, 2009
    Trenton, Ohio
    That thing sounds mean!

    Congrats on breaking that record and getting the evo ecu to work. I remember seeing details on the evo ecu on Facebook but I have since left that group.
     

    Street Build 3K  12

    1996 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  3. Vegas smith

    Vegas smith Proven Member

    2,336
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    Joined Dec 2, 2002
    Houston, Texas
    You know it would have gone faster if it had the 4g63!! Just kidding, great job. :)
     

    Street Build 2K  10

    1993 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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  4. jery1234

    jery1234 Proven Member

    218
    36
    Joined Jul 26, 2008
    Toronto, ON, Canada
    Congrats good job
     

    821  0

    1991 Mitsubishi Eclipse GSX
    · 1G DSM
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  5. A1pha4g63

    A1pha4g63 Probationary Member

    1
    0
    Joined Nov 16, 2016
    Flint, Michigan
    nice job
     
  6. TalonEsi_96

    TalonEsi_96 Proven Member

    127
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    Joined Dec 14, 2008
    Minot, North Dakota
    Congrats that's great numbers!
     

    Street Build 371  1

    1998 Mitsubishi Eclipse GSX
    manual · 2G DSM

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    1998 Mitsubishi Eclipse GST
    manual · 2G DSM
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  7. diambo4life

    diambo4life Proven Member

    1,005
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    Joined Apr 18, 2002
    Edmond, Oklahoma
    Congrats.
     

    Drag Race Build 393  1

    1990 Mitsubishi Eclipse GSX
    manual · 1G DSM

    Street Build 3K  23

    1991 Mitsubishi Galant VR-4
    710 whp · 501 lb/ft · Galant VR-4
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  8. Dstarperformance01

    Dstarperformance01 Proven Member

    707
    129
    Joined Mar 5, 2016
    Mustang, Oklahoma
    That's a 420a I'd drive the wheels off of. Never thought I'd say that!! Lol, Very very nice.
    Mucho respect!! Ass Whoopin' machine. Love those wheels!!
     

    Street Build 2K  0

    1993 Eagle Talon TSi AWD
    automatic · 1G DSM
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  9. ceedawg

    ceedawg Supporting Member

    1,352
    214
    Joined Jun 2, 2004
    laurelton, New York
    Mad props to you guys. Truly impressive!:dsm:
     
    ceedawg

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    1995 Eagle Talon TSi AWD
    manual · 2G DSM
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  10. gofer

    gofer Moderator

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    Joined Feb 18, 2006
    South Gilbert, Arizona
    Am I reading this correctly, the bottom end is a stock 9.8:1CR 420A?

    How much boost are you running?
     

    Street Build 14K  10  61

    1997 Mitsubishi Eclipse GST
    11.634 @ 126.050 · 2G DSM

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    1997 Mitsubishi Eclipse N/T
    manual · 2G DSM
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  11. ceedawg

    ceedawg Supporting Member

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    laurelton, New York
    Stock block stock crank is what I would interpret it to be. Hopefully they can verify which pistons even though I doubt stock. Nice point out though.
     
    ceedawg

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    1995 Eagle Talon TSi AWD
    manual · 2G DSM
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  12. dsmcrzy

    dsmcrzy Proven Member

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    Joined Dec 20, 2009
    Trenton, Ohio
    No way the Pistons and rods are stock. They are not capable of 300hp... let alone 700.

    I think it's lack of punctuation. Like ceedawg said.
     

    Street Build 3K  12

    1996 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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    jjw205 and ceedawg like this.
  13. rabenne

    rabenne Proven Member

    515
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    Joined Apr 21, 2006
    Kenosha, Wisconsin
    I don't understand why people share their charts with MPH on the x axis. Maybe I just don't understand when that information would be more useful than a graph with the power against the engine rpm.

    Great numbers, what kind of money did your build take to get there?
     

    Street Build 6K  19

    1995 Eagle Talon TSi
    awd · manual · 2G DSM
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  14. lowell

    lowell Proven Member

    314
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    Joined Apr 6, 2006
    vancouver, BC, Canada
    Dynojets are notorious for RPM pickup glitches.
     

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    1992 Eagle Talon TSi AWD
    10.970 @ 116.680 · 1G DSM
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  15. rabenne

    rabenne Proven Member

    515
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    Joined Apr 21, 2006
    Kenosha, Wisconsin
    Really? I only ran into one car in 2 years of operating a dynojet that I couldn't get the rpm pickup to work with. It was a Dynojet, but Im not sure what model. This was nearly a decade ago now. We were even getting coil-on-plug setups to read rpm signal with inductive clamp around primary side wires.

    I typically don't see anyone posting dyno charts on LS1 forums with the x-axis displaying the vehicle speed. I personally think doing so is a strategy to hide the limited range of a small displacement engine's power band. I could be wrong....

    I guess I wold have to google around and read about those notorious glitches since I haven't heard of or seen them before.
     

    Street Build 6K  19

    1995 Eagle Talon TSi
    awd · manual · 2G DSM
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  16. keltalon

    keltalon Supporting VIP

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    Luthersville Ga, Atlanta, Georgia
    This a lot of times is because of signal loss which results in a missing chart line the only way to get the line back is to convert to speed vs rpm.
     

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    1998 Mitsubishi Eclipse GSX
    manual · 2G DSM

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    1998 Mitsubishi Eclipse GST
    11.1 @ 137.3 · 2G DSM
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  17. keltalon

    keltalon Supporting VIP

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    Luthersville Ga, Atlanta, Georgia
    uploadfromtaptalk1384186449393.jpg
    I don't think this is the case here. One of my older dyno sheets powerband Imo has a nice range on the 4g63 platform.
     

    Street Build 4K  0

    1998 Mitsubishi Eclipse GSX
    manual · 2G DSM

    7K  14  25

    1998 Mitsubishi Eclipse GST
    11.1 @ 137.3 · 2G DSM
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  18. rabenne

    rabenne Proven Member

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    Joined Apr 21, 2006
    Kenosha, Wisconsin
    Keltalon, It does show a nice power band for a small displacement engine, you clearly have a nice setup! When I ran a dynojet I couldn't give a customer his results in vehicle speed, and would personally not settle for that either. I mean to each their own, but I still think its a tactic to hide that they are spinning 4500 rpm (or more) to break the 300 ft-lbs mark. From my experience it is only the small displacement tuners that have all these issues with the inductive pickup and it feels like they are trying to "hide" something. I will acknowledge that this is my opinion and I could be entirely wrong. I will keep in mind the points you have all made and try to give people the benefit of the doubt from now on.

    Not trying to start a debate with a true wiseman kel, you have my respect for everything you have managed to do with this platform. I haven't come close, and never will...
     

    Street Build 6K  19

    1995 Eagle Talon TSi
    awd · manual · 2G DSM
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  19. keltalon

    keltalon Supporting VIP

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    Luthersville Ga, Atlanta, Georgia
    I appreciate your input and I do understand what you are saying thanks!
     
    Last edited: Apr 17, 2017

    Street Build 4K  0

    1998 Mitsubishi Eclipse GSX
    manual · 2G DSM

    7K  14  25

    1998 Mitsubishi Eclipse GST
    11.1 @ 137.3 · 2G DSM
    Loading...
  20. EsiGoneT-Esi

    EsiGoneT-Esi Proven Member

    98
    8
    Joined Jul 15, 2003
    tampa/brandon, Florida
    Sorry guys. I rarely log in here. Since this we have made it to 795whp. We maxed out our e boost 2 boost controller. The car went to the track, with all the bugs not worked out and several issues we pulled an 11.2 @139.5. Sadly the throttle shaft broke on this pass and we had some valve train issues. We will be back out tomorrow at Orlando speed world. Feel free to contact me on Facebook or Instagram.
     
  21. EsiGoneT-Esi

    EsiGoneT-Esi Proven Member

    98
    8
    Joined Jul 15, 2003
    tampa/brandon, Florida
    Correct LOL. What i meant was a stock block, not filled. It has crower rods and je pistons installed.
     

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