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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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  #11  
Old 01-03-2010, 02:05 PM
GunDog1 GunDog1 is offline
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Quote:
Originally Posted by CdnoilRAM View Post
Sorry to hear you can't get it working. You did upload the latest CROM for the pred before you tried loading, correct? After you've uploaded the CROM, then you'll need to upload the truck update. Once you've uploaded the truck updpate then you should be able to take it to the truck and upload the latest update to the truck's PCM. After that, then you should be able to install whatever tune you want.



Check out suncoast convertors, they make some nice gear.
And I think you misunderstood the HP thing. If you're planning on upping your horse power to 500HP, then you'll need to upgrade your converter to a higher stall.
suncoast convertors?
So will all converters make it a higher stall??? What does that mean? (im unfimiliar what a torque converter does
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Old 01-03-2010, 03:32 PM
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Dan Dan is offline
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Quote:
Originally Posted by GunDog1 View Post
suncoast convertors?
So will all converters make it a higher stall??? What does that mean? (im unfimiliar what a torque converter does
the torque converter is what transfers energy from your engine to your transmission. If you're familiar with manual transmissions, the torque converter basically does for an automatic transmission what a clutch does for a manual transmission.

The stall speed is the engine speed where the torque converter will "hook up" or start transferring power to the transmission. If you're below the stall speed (i.e. when you're sitting at a red light, not revving the engine) there won't be very much power going to the transmission. That's what allows you to stop and not stall the engine.

Changing the torque converter by itself will have exactly 0 effect on the amount of horsepower your engine is making. If you plan on modifying your engine a lot and putting out lots more power than stock, you might want to look at getting a new torque converter that can handle the increase in power. Make sure to talk to a transmission guru before buying a torque converter though- if you get one with a stall speed that is too high, it'll be useless on the street (or if you got one that is way, way too high, it might be useless anywhere, even on the track)

There's a little info here about choosing torque converters http://www.hardtail.com/techtips/sel...converter.html
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