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Custom Dodge Ram Performance Mods - Engine - 5.9 Liter V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!


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  #1  
Old 11-11-2010, 05:57 PM
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bigtallcampbell bigtallcampbell is offline
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Thumbs up Free Power! Throttle Body Mod

So the 5.2 forum has a lot of talk about removing the air silencers from the throttle body (http://www.ramforumz.com/showthread.php?t=46431). I was a little skeptical, but after thinking about it, it couldn't hurt anything so I decided I should do it.

I took off my air hat and was surprised at how tall the silencers were. After seeing that, I began to think that there might be some legitimacy behind this. It was easily 1/4 - 1/3 of the total clearance between the top of the TB and the bottom of the hat.

So I whipped out my trusty dremel tool and hacked away...and hacked...and hacked. The port and starboard sides are thick. I ate through 6 cutting wheels.

After I put it all back together, I must say I was impressed. For a free mod, my throttle response was better and there's a nice sucking sound while at idle. The butt dyno felt a some more power and the torque seemed to hit a little lower on the RPM gauge.

Overall, I'd attribute this mod as about twice what you feel with a K&N filter on a stock intake. As we all know, mods compound each other, and I have quite a few mods already. So your mileage may vary.

A couple of pointers to you if you take this on (and I personally suggest it!)

-WEAR SAFETY GLASSES. Aluminum filings are not fun in the eyes
-Remove the IAC, MAP, and TPS. I've got a shiny new IAC where my dumbass knicked the IAC with my dremel tool.
-Belevel the sharp edges leading into the butterfly valves. This'll prevent a low pressure spot right at the edge of the valves
-Use Mother's aluminum and mag polish. If nothing else, you've already got it apart. Clean it!
-Taper the hard valley between the butterfly valves. This'll help air flowing across by removing 2 more low pressure zones
-Don't try and cut all the way through the silencers...this'll take forever. Cut about 15% out on both sides, groove the front and the back of it, and then take a pair of pliers to just break it off. You're going to have to sand it anyways and this'll save a load of time.
-Clean the entire TB top to bottom. It should be shiny...not black. You know who you are
-Don't touch the butterfly valves with the dremel. They have a very tight tolerance.
-Incase you skipped over number 1: WEAR SAFETY GLASSES


And the pics - these are after I was done. The 5.2 posting has a good before shot.

Side:
http://cid-d8c70a58f16de925.office.l.../TB%20Side.jpg

Top:
http://cid-d8c70a58f16de925.office.l...58F16DE925!390

And everything I cut off:
http://cid-d8c70a58f16de925.office.l...58F16DE925!389
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Old 11-11-2010, 06:04 PM
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Kinda like milling the choke horn off a Holley 4bbl!
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Old 11-12-2010, 02:36 AM
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great mod
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  #4  
Old 12-22-2010, 09:24 PM
02ramrod 02ramrod is offline
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will be trying this on my 02 ram 1500 5.9 magnum this summer.. wish there was better quality before and after pics as i do not know any of the terms for everythign is and where it is haha.
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Old 01-27-2011, 02:57 AM
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Quote:
Originally Posted by 02ramrod View Post
will be trying this on my 02 ram 1500 5.9 magnum this summer.. wish there was better quality before and after pics as i do not know any of the terms for everythign is and where it is haha.
+1 same here
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Old 01-27-2011, 08:45 AM
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good job man i did this mod not too long ago and im still glad i did.
rep for you.
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Old 01-30-2011, 02:18 AM
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how do you even get your throttle body off??
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Old 02-06-2011, 11:46 PM
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Hey bigtallcambell, thanks for the write-up. I've been watching this thread closely b/c unfortunately I'm a skeptic when it comes to ideas i'm not sure of. It seems that there are great number of you out there who stand behind this mod's effectiveness. I know everyone brags about the gains this mod gives, and I think its all good, but my wife does a lot of complaining about fuel consumption with this truck (o.k. it's a 5.9 and fuel economy will never be outstanding), has anyone who has done this gained any MPG? Please give some feedback.
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Old 02-08-2011, 01:29 AM
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Quote:
Originally Posted by toddrod View Post
Hey bigtallcambell, thanks for the write-up. I've been watching this thread closely b/c unfortunately I'm a skeptic when it comes to ideas i'm not sure of. It seems that there are great number of you out there who stand behind this mod's effectiveness. I know everyone brags about the gains this mod gives, and I think its all good, but my wife does a lot of complaining about fuel consumption with this truck (o.k. it's a 5.9 and fuel economy will never be outstanding), has anyone who has done this gained any MPG? Please give some feedback.
+1 good post same thing i am wondering...
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Old 02-08-2011, 08:37 AM
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Quote:
Originally Posted by toddrod View Post
Hey bigtallcambell, thanks for the write-up. I've been watching this thread closely b/c unfortunately I'm a skeptic when it comes to ideas i'm not sure of. It seems that there are great number of you out there who stand behind this mod's effectiveness. I know everyone brags about the gains this mod gives, and I think its all good, but my wife does a lot of complaining about fuel consumption with this truck (o.k. it's a 5.9 and fuel economy will never be outstanding), has anyone who has done this gained any MPG? Please give some feedback.
toddrod when i got my truck it was getting about 14 mpg average, idk exact numbers but i did the mod and put an open face air cleaner on top of that and i started to average 16 mpg mixed driving, i went to the junkyard and got a tb of a 97 ram with the 5.9. i think this mod does really help along with the improved throttle response and better low and top end torque.
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