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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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  #241  
Old 08-15-2011, 10:13 AM
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Originally Posted by 2011blackpearl View Post
If you gain 20hp then your time slip will show it. More HP equals lower et. I have talked to many a drag racer that put on a CAI to go quicker and when they saw no gain at all then their cai was on ebay the next week. If you can show me a back to back comparison (4 or 5 lap avg) on our trucks in the 1/8th or 1/4 mile with same driver with NOTHING to lose by what he says (ex. already spent the money and wants justify it..lol) and give me a money back gurantee if I am unable to replicate the results then I will be the first in line to buy it......
It's a supporting mod, certainly not going to get 20hp on its own.
I have added several similar bolt-on mods and dropped 10ths off my ET's every time.
If anything made the truck run significantly slower it most certainly would have been discarded and returned to stock.

I track test the crap out of everything I've installed.

With stock intake I ran 15.3/92, about 150 passes later and several supporting mods later ...
I'm down to 14.4/94 on my 20's and 13.8/98 on my DR's (RCSB 4x4 w/3.55's)
...still have not tested the new TB or TC yet, Headers have not shipped yet.

FWIW, my very first Dyno was just last Friday, only 309hp and 348ft/lbs torque...barely 20hp over stock.
I've seen guys with stock 4G's post much higher Dyno numbers, but I'll bet not many of them have a 13 second track slip.
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  #242  
Old 08-15-2011, 06:26 PM
2011blackpearl 2011blackpearl is offline
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Nice et with hp numbers you have for sure. I agree as a supportive item when you add other items that need the extra air. Now add headers and you will see an increase. Then you may need the cai (more out needs more in). However you and I both know that saying " add this item and you get 10-20 hp more" is alot of times...well...u know. Would you be so eager to buy it if they said you gain 1 or 2 hp for 400 and then only at 3k to 4k rpm? If you want power add NOS for $600 and get 100hp (not 1 hp) whenever you want it. If you just like the sound and the cost is ok to you then sure. We all like to smile when we drive. Hate to see anyone waste money if it is not needed. Just sayin....

Too bad you just can't put on 14" x 5" filter like we do on the old cars. For alot less than 400$ like in my velle...

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  #243  
Old 08-15-2011, 10:24 PM
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Well put Rootbeer! I have a 77 Series K&N on my '06 HEMI. Always been a fan of K&N.
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  #244  
Old 08-15-2011, 11:04 PM
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Originally Posted by BlackRamHemi View Post
They are a direct replacement to the stock cast iron exhaust manifolds,
Maintain stock Cats on both sides in the stock position.

Here's some before/after shots on a 3G Hemi

http://www.truckinweb.com/tech/engin...o_numbers.html

Them are a thing of beauty... Might have to do some more research and some green for my exhaust.
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  #245  
Old 08-19-2011, 12:14 AM
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I just installed a AFE CAI and it acts more like a WARM air intake not impressed at all, going to have to do some modding to it or in front of it.
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  #246  
Old 08-19-2011, 12:43 AM
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I think my K&N is doing the same thing, was happy at it at first, until I found out about the volant which is fully enclosed and has a ram air option.... -_- need to sell this k&n..lol
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  #247  
Old 08-24-2011, 03:30 PM
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I just wanted to add to this as I saw earlier in the thread someone posted temperature results. I've been monitoring the IAT sensor temperature over the last week and noticed my results are similar somewhat but also vary somewhat. First of all I have a stock intake, with the airaid MIT tube, and drop in airaid dry filter. It has been VERY hot here lately in central florida as well. On a cold start the sensor will be anywhere from 80 deg to near 100 deg. While driving (about 30-60mph) it stays around 98-100 deg. While stop and go in traffic it has gone up to as high as about 115 deg. I haven't sat for an extended period of time and would anticipate like the other guy it wouldn't go past about 120 or 130 deg. After sitting for a while, it takes about 2 or so miles, sometimes more or less to bring the temp back down, and it doesn't happen fast, it will slowly crawl back down. It seems to rise faster than it falls. I eventually want to do a ram air setup, and anticipate it will run somewhere around 5 to 15 deg cooler across the board except when sitting still.
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  #248  
Old 08-24-2011, 04:25 PM
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Thanks to everyone who has tested or researched this issue, I must conclude however the following: If you are a racer, or if your competing in NASCAR, the every degree of temp may become important... However, for the majority of us who drive there Trucks everyday, in all kinds of weather, and under lot of varying conditions ie: off road, snow, towing etc... I doubt that the difference between let's say 95 or 110 degrees, would make a significant difference in our Trucks performance... Underhood temps, and anything that travels thru or resides there will get warm to hot.. Moving air will almost always be cooler than stagnet air... But intake tubes, boxes, throttle body's, intake manifolds etc will all get hot once the engine has reached operating temp....and the air in contact with any of those parts will also gain heat... I know everyone wants as much benifit from there performance dollar as possible, but, open or closed, plastic or metal, I doubt really makes any significant difference... It's far more about restricted air intake flow, than just temp... A larger less restrictive filter and a larger and smoother air flow path is the real goal in CAI systems...Any temp reduction is an added little bonus...and if one system is 8-10 degrees hotter or colder, you will never know the difference.... Unless, like I said, your totally into racing only
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  #249  
Old 08-24-2011, 04:45 PM
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Good post. Sounds like i am on the right track with my CAI setup.
Quote:
Originally Posted by theweavman View Post
A larger less restrictive filter and a larger and smoother air flow path is the real goal in CAI systems...Any temp reduction is an added little bonus...and if one system is 8-10 degrees hotter or colder, you will never know the difference.... Unless, like I said, your totally into racing only
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  #250  
Old 08-26-2011, 02:00 PM
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I agree with the out side air temp making a big difference in my MPG, I have also noticed with it being 115 this week i cant even get close to 15mpg im lucky to get 13mpg. My AFE CAI does give my truck a quicker rev. when i give it gas.
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