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Custom Dodge Ram Performance Mods - Engine - 5.2 Liter V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!


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  #1  
Old 09-05-2011, 05:59 PM
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Serrilion Serrilion is offline
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Default TPS Tune Write Up

Hey Guys,

Read that the 360 can benfit from a TPS aujstment. So I decided to try my luck with my 318 and I got some nice results


1st off Mods done to my truck are...

Stock Engine with Stock Manifold and Cat
No Exhaust passed the cat
TB Mod
A 4500NV 5 speed trans vs my old 3500NV
Truck Used to Idle at 500 RPM's

after the Tune it was quicker in the trottle and now Idle's at 700 which I like much better...

Vid and Pictures of how to due this below.

*( IF YOU TRY THIS I'M NOT AT FAULT FOR YOUR MESS UP)


1st You need the fallowing tools

A Torx bit screw driver
A small wrench or flat head to remove air box bolt
A Electronic Volt reader
Some tape - No necessary but way I did it , it was
Washers 2 small ones


1st Locate the TPS Sensor... Below is a picture of it


2nd Unplug TPS Sensor, and pull back casing.

3rd can be done 2 ways. I stripped the Orange/ Black Wire and Black/ Blue Wire to get a solid read off them.

4th is to attach Multimeter + to the Orange Black and the - to Black/ Blue and plug it back in or insert your multimeter rods into the rubber over the correct wires ... Note I do not have a picture of the rod way, it tends to lose contact and I wanted a solid read as .004 can matter


5th step is turn your key to the ON position and take a read

6th step is with the torx bit loosen up one bolt at a time. I removed one bolt slid a small washer on it and then the other. This will help once you start to rotate the sensor to keep your adjustment as the bolts have worked there way into the sensor. You want to get as close to 1Volt as possible, some trucks seem to like to be higher, i've been told go to 1.5V with them. Again not responsible for your mistake. *Note No picture of washer ect

7th once you have the best reading you can keep. tighten it back up. and then with your fingers open up the Trottle and you should be close as possible to 4 volts.



Now with my small gain of .04 pictured below I was able to get 200rpm's at idle and a quicker Throttle response. Vid and picture below.



Note my truck Normaly idles at 500rpm's when cold or hot
http://youtu.be/3QOP07PpDLI
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  #2  
Old 09-05-2011, 06:17 PM
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Quote:
Originally Posted by Serrilion View Post
Hey Guys,

Read that the 360 can benfit from a TPS aujstment. So I decided to try my luck with my 318 and I got some nice results


1st off Mods done to my truck are...

Stock Engine with Stock Manifold and Cat
No Exhaust passed the cat
TB Mod
A 4500NV 5 speed trans vs my old 3500NV
Truck Used to Idle at 500 RPM's

after the Tune it was quicker in the trottle and now Idle's at 700 which I like much better...

Vid and Pictures of how to due this below.

*( IF YOU TRY THIS I'M NOT AT FAULT FOR YOUR MESS UP)


1st You need the fallowing tools

A Torx bit screw driver
A small wrench or flat head to remove air box bolt
A Electronic Volt reader
Some tape - No necessary but way I did it , it was
Washers 2 small ones


1st Locate the TPS Sensor... Below is a picture of it


2nd Unplug TPS Sensor, and pull back casing.

3rd can be done 2 ways. I stripped the Orange/ Black Wire and Black/ Blue Wire to get a solid read off them.

4th is to attach Multimeter + to the Orange Black and the - to Black/ Blue and plug it back in or insert your multimeter rods into the rubber over the correct wires ... Note I do not have a picture of the rod way, it tends to lose contact and I wanted a solid read as .004 can matter


5th step is turn your key to the ON position and take a read

6th step is with the torx bit loosen up one bolt at a time. I removed one bolt slid a small washer on it and then the other. This will help once you start to rotate the sensor to keep your adjustment as the bolts have worked there way into the sensor. You want to get as close to 1Volt as possible, some trucks seem to like to be higher, i've been told go to 1.5V with them. Again not responsible for your mistake. *Note No picture of washer ect

7th once you have the best reading you can keep. tighten it back up. and then with your fingers open up the Trottle and you should be close as possible to 4 volts.



Now with my small gain of .04 pictured below I was able to get 200rpm's at idle and a quicker Throttle response. Vid and picture below.



Note my truck Normaly idles at 500rpm's when cold or hot
http://youtu.be/3QOP07PpDLI
The TPS has two primary uses, one is to aid in transmission shifting knowing when to backdown on the RPM to shift, the second is to know the position of the butterfly plates. Their isn't really much a tune you do, besides if you wanted to help your idle you could have just twisted your distributor a hair. If you were looking for throttle response then keep the TB clean as much as possible, some say porting helps but what you could do is to get a TB riser. Oh and whatever benefits the 360 will do the same for the 318. Hope you know that the 360 and 318 have the same HP it's just the 360 has only 20 lbs more torque. It is a common misconception because their was a certain application of the 360 that was programmed for more HP and Torque. However that application doesn't apply to the Ram's
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Old 09-17-2011, 01:09 AM
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If you put a button cap over the stop press-pin on the opposite side of the TB from the TPS, you can get the same thing. It just helps to have the butterfly valves a little opened like a sliver. I tried both and realized that yes, a bit of response, but bad MPG overall. So, it was not worth trying this out.
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Old 09-17-2011, 11:34 AM
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dude, look what your driving, it gets bad mpg already

did the tps tune on my ram and didnt notice a difference in gas milage, but then again i dont really pay attention, plus im always standin on it
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Old 09-17-2011, 09:40 PM
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bah it was raining a tried to burn some time... EPIC FAIL! and Yea, Gas Milage sucks when the motor is at 4k all day :P
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Old 09-17-2011, 11:45 PM
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Just thought Id lend insight as to what this mod does. As long as u set the closed throttle point between .5, and 1 volt The computer will learn 0% and 100% throttle over time. What you are doing when u change it without resetting the battery is telling the pcm the throttle is 10-17% open, so it adds fuel. Overtime it WILL relearn, and u will be back where u started in the first place. If someone is going to do this, do it n put a obd2 scanner on it and read your TPS. Mine was set at .49, I raised it to .63, and fulle closed tps read 16%. Just a little info for anyone who wants it....
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Old 09-21-2011, 12:41 AM
dodgeman2289 dodgeman2289 is offline
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like one guy said take the tps off and wrap the stud i alittle electrical tape and u can get a full reading of 1.0 i havent done it .. was thinking bout doing it tom to see if there were any changes from wut i got before when i did this. mine was .78 after i screwed it down. i had a reading of .84 but when i started tighting it went down
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Old 09-24-2011, 09:12 PM
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Remeber though, after removing the metal pins in such, a 1.0V test mite bring ya trottle up to a 2,000 rpms, then you need to play with the dizzy.. just saying, my write up was boredum and a test to see if the mod worked. Some argue its not a mod others due. I did it, cause I was bored, plain and simple
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