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Challenger's wanted..

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Old Feb 25, 2013 | 06:54 PM
  #1  
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Default Challenger's wanted..


Here is a video from today. We made a few pulls with a max of 343RWHP AND 403TQ through 35s with 20"wheels. Motor is stock with about 30K turbo miles on it. Still on 12lbs of boost. May turn it up a notch or two. Still wondering how much power the stock motor can make.
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Old Feb 25, 2013 | 07:11 PM
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SAE adjusted ?
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Old Feb 25, 2013 | 07:40 PM
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I would like to see graphs side by side of Prodigy and Sprintex systems. I'm curious to see how the low end power compares.
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Old Feb 26, 2013 | 01:55 AM
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Originally Posted by T&ERun
I would like to see graphs side by side of Prodigy and Sprintex systems. I'm curious to see how the low end power compares.
Yep. Anyone can make more HP up top where it don't count. A real system makes power in the low tom range where you use it.

Been.through this lots before. When I had my built integra the boys had turbos and were boasting the peak HP numbers. Pretty good numbers. Using a Jackson racing supercharger (Eaton e90) I would best them all from stop light starts to almost past a quarter mile. They would all have a little lower trap time but I would be well ahead at the Start and only 1/2 behind at the end of the 1/4. In real world use anything that makes peak HP and not much more at the bottom is useless unless your racing.
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Old Feb 26, 2013 | 05:05 AM
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Those kind of numbers On a 3.8?! Try a 3.6!
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Old Feb 26, 2013 | 06:42 AM
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Originally Posted by T&ERun
I would like to see graphs side by side of Prodigy and Sprintex systems. I'm curious to see how the low end power compares.
Click image for larger version

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Me Too.
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Old Feb 26, 2013 | 07:21 AM
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Something wrong with that picture. No sag in the rear and no droop in the front..........???

Mike
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Old Feb 26, 2013 | 07:22 AM
  #8  
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Unhappy

Here's a JK with a Sprintex. I grabbed the pic off the net so I'm not 100% sure the graph is corrected.



Here is a link to Prodigy's site and JK dyno graph (I couldn't find a good photo to grab):

Jeep Turbo Kit - Jeep Performance - Prodigy PerformanceProdigy Performance (scroll down to click on graph)

Both systems are great IMO. If you want low end grunt I think the Sprintex would be the way to go. If you want a quick Jeep on the street or your after going real fast through the desert or flat land then Prodigy or Ripp would be the way to go.

My question to Prodigy is, have you looked into changing wastegate sizes, smaller turbos, or VGT turbos to get more low end power. I would love to see a VGT tryed out on a JK.
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Old Feb 26, 2013 | 08:43 AM
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Be careful Dyno graphs can be easily misinterpreted. I will do my best to answer any questions you guys have so you will know exactly how the system performs.

1. If I have found it impossible to dyno a vehicle on a chassis dyno in 4th gear starting at 800rpms then how does someone else do it?
If the graphs are not made in the same manner then how are they compared?
2. Where are all the Hemi Wrangler dyno graphs? Why are there so many dyno videos of Hemi Wranglers without showing the numbers?
I have many other questions I am trying to give good insight while treading lightly.

Respectfully.
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Old Feb 26, 2013 | 09:00 AM
  #10  
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Originally Posted by wytmike
Something wrong with that picture. No sag in the rear and no droop in the front..........???

Mike
Also looks like a Ford rear end....Nevermind its the front tire....
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