Removing Smog Emissions
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Removing Smog Emissions
Whats is the level of difficulty to have someone to remove all the smog pump and stuff on my 1995 F350 with a 460? And will it give me any extra horsepower? I am thinking of getting rid of mine because there are alot of parts to it that are missing, and I dont want the hassle of getting the parts to put it back to gether. I know its illegal, but do alot of guys do it anyway?
Post Fiend
Joined: May 2006
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From: Central Florida
Some parts do make the engine easier to live with, such as the EGR. You shouldn't really feel any difference in power, and it's possible that you will lose upto a mile per gallon of economy. Evap canister is a simple removal, cats aren't too bad on your year, egr I'd leave alone. Once you start removing them, thou you may start getting CELs.
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Evap cans take no power. If you remove them, where are the fumes going and how will they be controlled? You can create a firetrap if you don't do it right.
Since your truck has an engine computer, you really can't remove just part of the emissions stuff without running the risk of at least a constant CEL and at worst a worse running truck that uses more gas because it stays in default or limp-home mode.
As for more power, nothing you'd notice can be gained without some bigger steps. I have a neighbor who put headers and a few other tweaks on his 460, but it's all CARB/smog legal stuff. It runs right, and it's still legal.
Since your truck has an engine computer, you really can't remove just part of the emissions stuff without running the risk of at least a constant CEL and at worst a worse running truck that uses more gas because it stays in default or limp-home mode.
As for more power, nothing you'd notice can be gained without some bigger steps. I have a neighbor who put headers and a few other tweaks on his 460, but it's all CARB/smog legal stuff. It runs right, and it's still legal.
Post Fiend
Joined: Mar 2004
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From: Union, Washington
Actually it is against federal law to remove emissions goodies. Some states also make it illegal. I live where they don't check, so mine, including the PITA EGR are gone. FYI the EGR can to effect engine preformance.
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I am not diehard on getting it removed. As of recent, the other day, my truck is making this annoying whining noise, and its raises in intensity under acceleration. I stopped by the dealer to ask them what the noise was it, concerned it was my water pump, and he said it sounded to him like it was one of my air pumps, or possibly a bearing in my alternator, but he wasnt 100 percent postive because the big block was not his field. But of course now my voltage gauge from my battery isnt reading normal anymore, is there a chance it is just my alternator getting tired, is only a year old with 17,000 miles
Post Fiend
Joined: Mar 2004
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From: Union, Washington
Yes, could very well be the alternator. So can somebody tell me when they started using special alternators, air pump, etc on 460's only? The guy is full of crap as an accessory noise is an acessory noise regardless of which engine it is on.
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Originally Posted by Bear 45/70
Actually it is against federal law to remove emissions goodies. Some states also make it illegal. I live where they don't check, so mine, including the PITA EGR are gone. FYI the EGR can to effect engine preformance.
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Post Fiend
Joined: Mar 2004
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From: Union, Washington
Originally Posted by 85e150six4mtod
Yea, and if just plug the EGR and do nothing else my guess is the engine will run like crapola. EGR is being used on some engines to control detonation associated with high compression. Probably not this motor, but EGR is not all bad all the time, nor are the rest of the emissions systems.
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ouch! careful guys, good point, but dont yell at the guy lol. I dont know, I figure just keep the EGR seeing the dealer wacked me for replacing it while trying to get to the lower radiator intake
Tuned
Joined: Mar 2007
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From: Sacramento Ca
Originally Posted by 85e150six4mtod
Evap cans take no power. If you remove them, where are the fumes going and how will they be controlled? You can create a firetrap if you don't do it right.
Since your truck has an engine computer, you really can't remove just part of the emissions stuff without running the risk of at least a constant CEL and at worst a worse running truck that uses more gas because it stays in default or limp-home mode.
As for more power, nothing you'd notice can be gained without some bigger steps. I have a neighbor who put headers and a few other tweaks on his 460, but it's all CARB/smog legal stuff. It runs right, and it's still legal.
Since your truck has an engine computer, you really can't remove just part of the emissions stuff without running the risk of at least a constant CEL and at worst a worse running truck that uses more gas because it stays in default or limp-home mode.
As for more power, nothing you'd notice can be gained without some bigger steps. I have a neighbor who put headers and a few other tweaks on his 460, but it's all CARB/smog legal stuff. It runs right, and it's still legal.
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Originally Posted by Bear 45/70
Have you ever plugged an EGR? Do you even know what an EGR does? An EGR is an "Exhaust Gas Recirculating" system. You are putting exhaust gases into the intake system. How the hell is that gonna make your engine run better. I've plugged half a dozen EGRs and never had an engine run worse. OH yeah, an Egr is an emissions only system and has nothing whatever to do with anything call performance. Where do you guys get this crap, "to control detonation associated with high compression" is so bogus as to not be worth responding to.
http://www.patentstorm.us/patents/71...scription.html
http://findarticles.com/p/articles/m...84/ai_n8640951
If you plug an EGR on a computer controlled vehicle, does it not result in incorrect readings at the O2 sensors, or do you just cut those wires and put black tape over the CEL light?
And no, I've never plugged one and don't plan to.
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Joined: Aug 2003
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From: Oakdale,Ca.
Re: EGR...exhaust gas goes back into Intake and cools combustion temps, allowing more timing, and in effect more HP.
Originally EGR was just used to re-run exhaust gases, but time have proven the side benefit is better perfromance at part throttle/cruise RPM...has nothing to do at WOT since the EGR is not functional then.
Originally EGR was just used to re-run exhaust gases, but time have proven the side benefit is better perfromance at part throttle/cruise RPM...has nothing to do at WOT since the EGR is not functional then.
Post Fiend
Joined: Mar 2004
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From: Union, Washington
Originally Posted by 3Mike6
Re: EGR...exhaust gas goes back into Intake and cools combustion temps, allowing more timing, and in effect more HP.
Originally EGR was just used to re-run exhaust gases, but time have proven the side benefit is better perfromance at part throttle/cruise RPM...has nothing to do at WOT since the EGR is not functional then.
Originally EGR was just used to re-run exhaust gases, but time have proven the side benefit is better perfromance at part throttle/cruise RPM...has nothing to do at WOT since the EGR is not functional then.