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I've been thinking about just cutting off the EGR tube and not bothering to get one from the yard and welding it too me headers to get the EGR to work.
I have no emissions here, was wondering the possible issues I could have by doing this mechanically?
I would leave everything in place, I just wouldn't tap into the headers.....
IF it's a must I will do it, just not feeling like going to a yard, pulling one of to weld to the headers, yada, yada.
There'll be no issues mechanically but the function of the EGR system is to lower the combustion gas temperatures (in the cylinder) by diluting the intake air charge with exhaust gases. If you remove the EGR component from the combustion cycle, the engine will run hotter, perhaps even knock under load, & now-a-days, won't run any better or economically than if you left the EGR system connected [the engine computer takes care of the diminished intake charge (with EGR-provided gases present) to provide a stoiciometric fuel/air/exhaust gas charge to make the engine run at its best].
Simple, get smog legal headers. That doesn't help him if he already has headers that won't work, but that is why many professions do not order or install headers that do not retain smog equipment. You can always plug an EGR is you don't need it, but it is tricky to add if you do.
My advise would be to figure how to attach the EGR stuff to the new headers. The EGR does not hurt power, but NOX from high combustion temperatures can.
I was in the same position as you... No smog legal long tubes for my truck, and the shorties did nothing for the motor... So i ditched the egr and went long tubes... This truck is getting parked soon though... Going to be getting a nicely built winnie in it...
With maybe a little extra air in the cylinders.... If you catch my drift