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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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  #21  
Old 10-05-2010, 07:35 PM
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justincpowell justincpowell is offline
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compression ratio's are a quide line. Kenne Bell(supercharging specialist in my oppinion) are working on it. theyre having problems calibrating the 03' but they say they exspect amazing results for the 5.7L hemi(ish)

with that said at 10.5:1 you could only run 2-5 psi on most engines but with 8.5:1 or 9.5 you can run 8-12 easily. however these results can not be garunteed on this motor since all engines are designed differently.

when Kenne Bell releases a kit that would be your best choice. arrington performance has a few kits out for the ram but theyre exspensive and id rather spend that kind of cash on a proven brand that makes it look professional and clean, and has extremely complete kits.

best of luck in your searches and enjoy the truck
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  #22  
Old 10-06-2010, 12:34 PM
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It's all in how good the tune is and making sure you don't get bad gas. You basically need a good rich tune of 11.5:1 a/f ratio, 93 octane and a boost friendly timing setting of about 17 degrees.

Ford (via Roush) is running 5-6 psi on the 2011 mustangs and that c/r is 11:1. They still offer a the full factory 3yr/36k mileage warranty too.

You could have forged everything in your motor but if you encounter detonation you're toast.
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  #23  
Old 10-09-2010, 10:15 PM
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Procharger!!!!!
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  #24  
Old 10-09-2010, 11:18 PM
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man i had no idea when i started this it would blow up! haha
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  #25  
Old 10-10-2010, 09:59 AM
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Quote:
Originally Posted by gabrieldy View Post
It's all in how good the tune is and making sure you don't get bad gas. You need a good rich tune of 11.5:1 a/f ratio, 93 octane and a boost friendly timing setting of about 17 degrees (+/-).

Ford (via Roush) is running 5-6 psi on the 2011 mustangs and that c/r is 11:1. They still offer a the full factory 3yr/36k mileage warranty too.

You could have forged everything in your motor but if you encounter detonation you're toast.
Here's a quote I read posted on my tuner's wall. "There are 100 tooners for ever 1 tuner."
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