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Challenger SRT8 Engine Discussion and Performance Mod Forum Discuss the 425HP/420lb-ft 6.1L HEMI V8(2008-2010) and 470HP/470lb-ft 6.4L HEMI V8(2011-) engines and performance mods.

392 HP is Underated!


This is a discussion on 392 HP is Underated! within the Challenger SRT8 Engine Discussion and Performance Mod Forum forums, part of the Dodge Challenger Modifications category!
Two sources have reported that the 6.1 and 6.4 engines are under-rated. http://www.torquenews.com/106/2011-d...-makes-452rwhp http://www.torquenews.com/106/dodge-...and-charger-rt...



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Old 12-14-2011, 12:42 PM   #1 (permalink)
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Default 392 HP is Underated!

Two sources have reported that the 6.1 and 6.4 engines are under-rated.

http://www.torquenews.com/106/2011-d...-makes-452rwhp

http://www.torquenews.com/106/dodge-...and-charger-rt

Last edited by SRT-Tom; 12-14-2011 at 12:47 PM.
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Old 12-14-2011, 05:27 PM   #2 (permalink)
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Nice!!
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Old 12-14-2011, 06:37 PM   #3 (permalink)
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I don't doubt that. My 392 is a monster, almost scary!
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Old 12-15-2011, 09:35 AM   #4 (permalink)
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Quote:
When the original Challenger SRT8 was released with the 6.1L Hemi said to make 425hp multiple sources tested the engine, proving that it made closer to the 450-460hp range.
So does that mean my challenger have more like 450hp instead of 425 ?
Not quite sure since english aint my first language..

Does anyone have any duno test result with the stock 6.1 engine ??
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Old 12-15-2011, 06:12 PM   #5 (permalink)
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Better to have more power than not enough. All I can say is SWEEEEEET !!!!!!
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Old 12-19-2011, 04:22 PM   #6 (permalink)
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depends on the dyno and the conditions but I would say in general the stock 6.1 makes 375 rwhp at best and the 6.4 makes about 430rwhp.....but then again this was here in San Antonio. its always debatable.
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