EGR removal? - Dakota Durango Forum
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post #1 of 16 Old 05-05-2010, 02:10 PM Thread Starter
BigRed98
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Lightbulb EGR removal?

Hey everyone (see, you didnt scare me off!)

Down here in Florida, we don't have any regulations for emissions control. My boyfriend and I are taking his truck apart, and taking all of his EGR and emissions crap off. (his smog pump runs all of his vacuum lines though) Is there anyway I could take all that crap off mine too? I've heard it takes about 20 HP to run the damn smog pump anyway.

Anyway, if you guy have any idea if this is even possible or if it would do me any good I would really appreciate the help!

OH yea, I have a 98 Durango 5.2L

1998 Dodge Durango 5.2L 4WD with 3" T/S lift, Jet PCM, K&N intake, Flowmaster with cut off right after muffler, 31" Dakota Definity M/T tires.


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post #2 of 16 Old 05-05-2010, 02:17 PM
TurboBlew
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you had us til you mentioned boyfriend...lol.

What year truck??

The ALLIANCE is watching this post!!
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post #3 of 16 Old 05-05-2010, 02:18 PM Thread Starter
BigRed98
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its a 1998 durango 5.2L

1998 Dodge Durango 5.2L 4WD with 3" T/S lift, Jet PCM, K&N intake, Flowmaster with cut off right after muffler, 31" Dakota Definity M/T tires.

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post #4 of 16 Old 05-05-2010, 02:19 PM
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no egr then.
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post #5 of 16 Old 05-05-2010, 02:21 PM
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Your '98 doesn't have the EGR. '95 was the last year for EGR equipped Magnum engines.
post #6 of 16 Old 05-05-2010, 02:27 PM Thread Starter
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AHA! Sweet. I love my old turd. Polluting up the world the RIGHT way.

Here's an odd ball question for you now, if a smog pump handled your vacuum lines, and you took your smog pump away, how would you re-route your vacuum lines? or somehow make them all work again? (it's a 93 5.0 HO f150)

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post #7 of 16 Old 05-05-2010, 02:32 PM
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Originally Posted by BigRed98 View Post
AHA! Sweet. I love my old turd. Polluting up the world the RIGHT way.

Here's an odd ball question for you now, if a smog pump handled your vacuum lines, and you took your smog pump away, how would you re-route your vacuum lines? or somehow make them all work again? (it's a 93 5.0 HO f150)
The smog pump does not create any vacuum for the engine. All it does is pump fresh air into the EGR system. Vacuum can only be created by a running engine and will come from the intake mainfold.
post #8 of 16 Old 05-05-2010, 03:10 PM
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The smog pump, or air pump as it should be called simply pumps air into the exhaust manifolds or into the catalytic converter to help lower hydrocarbon emissions. It is NOT PART OF THE EGR SYSTEM and an air pump does not take 20 hp to operate.

Emissions systems are misunderstood....did you know that a properly functioning egr system can add hp in some cases??
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post #9 of 16 Old 05-06-2010, 02:14 AM
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Isn't the main purpose of the EGR valve is to recirculate a little bit of exhaust gasses back into the intake?

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post #10 of 16 Old 05-06-2010, 05:33 AM
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Isn't the main purpose of the EGR valve is to recirculate a little bit of exhaust gasses back into the intake?
More or less...what it does is actually lower combustion temps to bring down NOX emissions.
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post #11 of 16 Old 05-06-2010, 02:29 PM Thread Starter
BigRed98
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Quote:
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The smog pump, or air pump as it should be called simply pumps air into the exhaust manifolds or into the catalytic converter to help lower hydrocarbon emissions. It is NOT PART OF THE EGR SYSTEM and an air pump does not take 20 hp to operate.

Emissions systems are misunderstood....did you know that a properly functioning egr system can add hp in some cases??
I see... I hope you don't mind if I challenge you? It's not that I think you are wrong, I just think that you believe exactly what people are spoon feeding you.

Florida has no emissions control regulations, and half of the people here would fail inspections in a heartbeat (myself included). I just want to question where you acquired your info from? I don't mean to sound disrespectful, just trying to get all my facts straight

1998 Dodge Durango 5.2L 4WD with 3" T/S lift, Jet PCM, K&N intake, Flowmaster with cut off right after muffler, 31" Dakota Definity M/T tires.

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post #12 of 16 Old 05-06-2010, 02:55 PM
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Quote:
Originally Posted by BigRed98 View Post
I see... I hope you don't mind if I challenge you? It's not that I think you are wrong, I just think that you believe exactly what people are spoon feeding you.

Florida has no emissions control regulations, and half of the people here would fail inspections in a heartbeat (myself included). I just want to question where you acquired your info from? I don't mean to sound disrespectful, just trying to get all my facts straight
I don't mind you asking at all...

I am an ASE certified master technician with an L1 rating (advanced engine performance) with over 22 years experience and I also hold a State of California Advanced Emission Control Specialist license(toughest regulations in the country). I have been specializing in advanced engine diagnostics (you see me when the moron at the dealership can't fix your new car) for the last 12 years. I probably repair 15-20 vehicles a month for state emission failures and the rest of my time is spent pulling my hair out on impossible diagnostics. There are easier ways to make money but I really dig fixing the ones that have been to multiple mechanics with no luck.

Spoon fed...nah....I am more than capable of figuring things out on my own and drawing my own conclusions based on what I know works.
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post #13 of 16 Old 05-06-2010, 05:39 PM
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post #14 of 16 Old 05-06-2010, 08:01 PM
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Quote:
Originally Posted by BigRed98 View Post
I see... I hope you don't mind if I challenge you? It's not that I think you are wrong, I just think that you believe exactly what people are spoon feeding you.

Florida has no emissions control regulations, and half of the people here would fail inspections in a heartbeat (myself included). I just want to question where you acquired your info from? I don't mean to sound disrespectful, just trying to get all my facts straight
I have an 89 Mustang 5.0 that I have had since new and do a lot of work on. The statements concerning the smog pump are correct. On warmup, air is directed to the cylinder heads. After that it is diverted to the cats. It is seperate from the EGR system which routes exhaust gas back to the intake.

99 Durango 5.9, FT 4x4, IP stage III w/ K&N air hat, M1, SCT, Fastman TB, 1.7 RR, JBA headers, Borla cat back, Martin Saine valve body, Hotchkis swaybars, Blistein shocks, lowered 2" Black Rhino Kenya wheels, 246. 7 RWHP, 319 TQ
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post #15 of 16 Old 05-06-2010, 08:22 PM
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You do have a EVAP canister and purge solenoid that sucks the fuel vapors out of the gas tank and injects them into the intake manifold. If you were worried about cosmetics, or weight, you could remove the purge solenoid and evap canister(probably about 10lbs total). The purge solenoid is mounted to the wiper cowl just to the right of the air hat. Removing it makes for a "cleaner" look but has absolutely zero effect on performance.

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