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General Challenger Discussion This section contains general discussion about the Dodge Challenger. If it does not fit into a more specific area, it probably belongs in here. (Dodge Challenger General Discussion)

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  #11 (permalink)  
Old 12-10-2012, 12:06 AM
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A lot depends on your long term goals, these days unless you run into a heck of a deal a used 2010 6.1 SRT8 is going to be about $9,000 less than a similar mileage used 2011 6.4 SRT8, with that much money you can buy a good positive displacement supercharger and put out 50-100 HP more than the 6.4 (depending on how safe of tune you opt for).
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Old 12-10-2012, 12:11 AM
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yeah im eventually going to supercharger it. is compression too high on the 6.1s and 6.4s for a solid supercharger on the stock motors?
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Old 12-10-2012, 05:04 AM
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Originally Posted by erictaf857 View Post
yeah im eventually going to supercharger it. is compression too high on the 6.1s and 6.4s for a solid supercharger on the stock motors?

If you are looking for long term reliability then both motors can handle about 8lbs of boost.
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Old 12-10-2012, 05:15 AM
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get the 6.1 there is options to stroke and bore to a 392 426 440 and then s/c. Or have the 6.1 forged,heads and cam and your golden!
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Old 12-10-2012, 05:24 AM
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with the 6.4 supercharged with 8psi, people are getting just shy of 650HP. Throw in a couple bolt ons and you there. In an auto, with the right tires, that is a quick machine...really don't need it much quicker for street use... But thats up to you. Buy a cheap car wit nonworking motor...and drop in a 426 and supercharge. You'll need new tires every month. LOL
Have fun deciding
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Old 12-10-2012, 06:46 AM
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Someone please correct me if I'm wrong, but as far as the engine goes, the only difference between the 6.1 and 392 is the bore and stroke, correct?
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Old 12-10-2012, 06:55 AM
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now that they are tunable the 6.4L is the way to go.
Warranty will be moot anyway if you mod it with FI
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Old 12-10-2012, 07:11 AM
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Originally Posted by princesspaola21 View Post
I've had an RT and I've had a 392... I wouldn't trade back!


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Ditto


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Old 12-10-2012, 08:06 AM
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At the moment, the 6.1 is your best bet if you plan on going into the motor. But if you just want to slap a blower on and call it done, then the 6.4 would be the way to go.
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Old 12-10-2012, 09:03 AM
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Just traded in my 2011 R/T for a 2013 SRT8, no comparison, the statement that a stock R/T is faster than the 392 SRT8 is a false statement
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