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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 10-07-2013, 09:36 PM
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I have one 2011 Ram 1500 Hemi and diff.3,92!Could anybody say to me how many Hp and does torque in back wheels bonestock?
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Old 10-07-2013, 10:22 PM
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You talking wheel or crank
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Old 10-07-2013, 10:27 PM
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Approximately 295-300hp and 315-325 torque at the wheels, depends on many factors but that would be it stock. You can usually calculate a 30% loss at the wheels with an Automatic Transmission, 25% loss with a manual. There are many other factors that can determine and contribute to the hp you will have at the rear wheels

Last edited by Asur; 10-07-2013 at 10:43 PM.
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Old 10-07-2013, 11:01 PM
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The speed shop where i deal,have Mustang dyno!He put my bonestock truck on it and made 265rwp!Does it can?
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Old 10-08-2013, 09:18 AM
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Does it Can?......................3rd gear run?
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Old 10-08-2013, 10:19 AM
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Originally Posted by Vilaingarnement1 View Post
The speed shop where i deal,have Mustang dyno!He put my bonestock truck on it and made 265rwp!Does it can?
It can, does it?
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Old 10-08-2013, 11:58 AM
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Originally Posted by Vilaingarnement1 View Post
The speed shop where i deal,have Mustang dyno!He put my bonestock truck on it and made 265rwp!Does it can?
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Originally Posted by TheSatinPumpkin View Post
Does it Can?......................3rd gear run?
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It can, does it?
It does, but it can!
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Old 10-08-2013, 12:16 PM
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I would say the loss for an automatic is getting better and is between 10% to 15% these days. It used to be considered 20%. Different dynos give different results. Mustang dynos are known for giving low numbers. That doesn't make them wrong.

My Challenger, which is a 5.7 hemi, has exhaust, a custom tune, catch can, and CAI put down 370hp and 410 ft-lbs at the rear wheels. Those numbers seem high to me compared to other people, it was probably a dyno that read a little high.

To answer your questions, I'd say a late model hemi truck would put around 330 hp at the rear wheels.
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Old 10-08-2013, 01:15 PM
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I would say the loss for an automatic is getting better and is between 10% to 15% these days. It used to be considered 20%. Different dynos give different results. Mustang dynos are known for giving low numbers. That doesn't make them wrong.

My Challenger, which is a 5.7 hemi, has exhaust, a custom tune, catch can, and CAI put down 370hp and 410 ft-lbs at the rear wheels. Those numbers seem high to me compared to other people, it was probably a dyno that read a little high.

To answer your questions, I'd say a late model hemi truck would put around 330 hp at the rear wheels.
This 2011 got 306rwhp and 331rwtq completely bone stock



This 2011 got 318rwhp and 334rwtq and not stock it had a K&N CAI, Dynatech Supermaxx LT headers w/ Magnaflow Cats, FM 50HD dual out exhaust and stock 3.55 gears



2010 all stock, Ripp says the test they get out of this 2010 will be basically the same for 09-11

once the engine gets hot the RWHP falls from 290 down to around 267.

OP wants info on his 2011, says he got 265 which coincides with this information from RIPP


Last edited by Asur; 10-08-2013 at 01:38 PM.
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Old 10-08-2013, 03:34 PM
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Asur I think you nailed the heat related loss, heat soak is pretty bad with these new HEMIS. So many variables with just 1 dyno run.
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