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Performance Modifications Want to talk about performance modifications for your Dodge Challenger? This is the forum for that. Anything from exhaust systems to power adders and everything in between. (Dodge Challenger Performance Modifications)

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Old 10-12-2009, 04:04 PM
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Twin Turbo HPE800 installed on a LX!

After doing alot of HPE800 Twin Turbo builds on Jeep SRT8's, we would like to introduce to you the one of our Twin Turbo HPE800 Chrsyler 300 SRT8's! Vehicle made 670+ hp on 93 octane pump gas and we are aiming for over 750 at the rear tire later this week, still on 93 Octane!!

YouTube - Hennessey 426 Twin Turbo Chrysler 300C SRT8 Dyno Test

Thoughts?

Speak to you soon,
James
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Old 10-12-2009, 04:51 PM
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you can twin turbo my srt8 challenger if you want!
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09 SRT8 FORGED HEMI ORANGE 426-HURST 6 SPEEDSHORT THROW,HI FLOW CATS,ZOOMERS, hemishop (aj) TUNE,180 TSTAT PROCHARGED STAGE 2- D-1- 14 psi 732 hp SO MUCH MORE
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Old 10-12-2009, 05:07 PM
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Impressive. is this on a stock motor?.
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Old 10-12-2009, 05:45 PM
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I've been a huge fan of the Hennessey Vipers for years.
If I ever win the lottery, I'll be on your doorstep with the keys to my Challenger.
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Hemi Badge delete, bumper Rams Head delete; BT red anodized catch can and engine dress up kit; gas hood struts; functional hood scoops and SRT intake tube; Cervini Ram Air, metallic red; resonators removed, bottle mufflers moved to rear; Hurst Shifter; Diablosport Trinity, recently purchased and experimenting, may get an email tune
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Old 10-12-2009, 09:56 PM
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Originally Posted by subzero05 View Post
Impressive. is this on a stock motor?.
No, it says on a 426...I would like to know the compression and the boost to get the 670 & what is planned for the 750...

Is this a Hennesey system or what system are you using for the twin turbos?

What's cost on an upgrade like this?
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Old 10-13-2009, 06:53 AM
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Originally Posted by Alpine Zang View Post
No, it says on a 426...I would like to know the compression and the boost to get the 670 & what is planned for the 750...

Is this a Hennesey system or what system are you using for the twin turbos?

What's cost on an upgrade like this?
This system was derived from our Twin Turbo setup that pushed the Jeep SRT8's into the 10s! We designed and fabricated the kit in house. Boost is only at 10 lbs while we tune the vehicle for drivability. To give you an idea, Procharger vehicles we have done with similar motors, put down close to 14lbs. There is some more in this car that we will be releasing very soon.

All price questions should be refered to sales@hennesseyperformance.com and/or give us a call at 979-885-1300

Speak to you soon,
James
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Old 10-13-2009, 08:12 AM
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Originally Posted by Alpine Zang View Post
No, it says on a 426...I would like to know the compression and the boost to get the 670 & what is planned for the 750...

Is this a Hennesey system or what system are you using for the twin turbos?

What's cost on an upgrade like this?

DOH!.. I should have looked up at the writing instead of just watchin the video.
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Old 10-13-2009, 10:12 AM
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426 + TT is the ultimate. Can't get much more beastly than that!

edit: except maybe a huge single turbo. do you guys ever do a large single turbo instead of twins?
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