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Dodge Challenger R/T Specific This area is for discussion specific to the Dodge Challenger R/T model.

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post #1 of 55 (permalink) Old 01-04-2012, 04:56 PM Thread Starter
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Top Speed

Anyone know what the top speed of our Challenger R/T is? I've heard about 160 but I don't think that's accurate.



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post #2 of 55 (permalink) Old 01-04-2012, 05:06 PM
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I've read that it tops off at about 140 unless you have a tune. Never tried myself so cant say for sure.
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post #3 of 55 (permalink) Old 01-04-2012, 06:25 PM
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140 mph, not 1 mph more on my 2010 rt, stp.......held it for 35 straight miles....one time shot
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post #4 of 55 (permalink) Old 01-04-2012, 06:55 PM
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The factory limit on mine is 166 mph, I dynoed in 3rd 125 mph @6200 rpm.The fastest I've gone on a public road is 88 mph with Mds on.Traffic forced me to slow down...Another poster said he reached 100 mph, Mds on.

In the order I installed them K&N drop-in,suitcase replaced with two magnaflow double offset 2.5" in and out, Jet 180* thermostat. Predator 93cai tune, clean air tube, resonator delete , Fastman ported throttle body. , SRT8 suspension up grade, Hood struts Best 1/8th mile 2.01 60 ft.,8.49@83.78, DA 88 Only 1/4 mile 2.11 60 ft.1/8th 8.71@82.77 1/4mi.13.41@ 105.49
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post #5 of 55 (permalink) Old 01-04-2012, 07:27 PM
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152 on the dyno, that was a 4th gear pull letting off when she shifted up into 5th around 6500 rpm. Of course this is without any aerodynamic affects or actually moving. I have to admit, I don't have the stones to do that anywhere else.

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post #6 of 55 (permalink) Old 01-04-2012, 08:02 PM
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At the Mojave Mile I ran a 150.2 MPH in the standing mile and that is a record for a 5.7 N/A Hemi.
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post #7 of 55 (permalink) Old 01-04-2012, 08:03 PM
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Supposed to be bout 140, computer limited. Tires rated for 150, if the brain working.

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post #8 of 55 (permalink) Old 01-04-2012, 08:04 PM
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172 with bald tires

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post #9 of 55 (permalink) Old 01-04-2012, 08:22 PM
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Quote:
Originally Posted by REDDOG View Post
At the Mojave Mile I ran a 150.2 MPH in the standing mile and that is a record for a 5.7 N/A Hemi.
Thats a good speed in a NA 5.7. In May @ the Texas mile there was a RT there running a very consitant 140+ in mile. Congrats on braking the 150 MPH in a standing mile barrier.

2008 SRT8 HPP 002 SUPERBIRD "GRIZZ", FIRST HPP SUPERBIRD BUILT FOR 200MPH+, Spanking Times Built 830 RWHP Street Tune on E-85, GRIZZ: 2008 SRT8 HPP 002, Yellowstone Drag Strip 1/4 mile 10.962 @ 128.92, SHIFT-S3CTOR 1/2 Mile 173.0 MPH, Mojave Mile 192.2 MPH, Texas mile 194.3 MPH, FASTEST GEN III HEMI IN THE WORLD! 1.5 mile competition at Mojave Magnum!!! 212.7 MPH
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post #10 of 55 (permalink) Old 01-04-2012, 08:35 PM
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Thats a good speed in a NA 5.7. In May @ the Texas mile there was a RT there running a very consitant 140+ in mile. Congrats on braking the 150 MPH in a standing mile barrier.
Thank you very much. The engine is 100% stock. I'm running a 87mm TB, Corsa cat back, Airaid CAI, 93 OCT tune. 103 VP race fuel and tires at 55psi. I had two runs over 150 MPH most runs were between 148.0-149.2 MPH.
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