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Boost Elbow Question


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I installed an adjustable boost elbow today preset at 30psi.  Before the elbow with the Comp on 5x5 I was seeing a moderate amount of smoke at wot.  After the elbow installation it's rollin' some serious coal now at wot. Am I mistaken thinking that there should be less smoke with the elbow than without? Truck runs awesome just curious about the smoke I think I choked a poor guy on a bicycle today when I passed him.

Edited by Mopar1973Man
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Do you know how much boost you are running? If it isn't set right then you could just not have enough air flow. This will act just like a boost leak and you will see the coal roll like no other...

I'm going to do a little testing today. I couldn't really get into it because I had the family in there.  I'll let you know. I think you're probably right the preset isn't set correctly.  I need to check my CAC hoses too anyway.  That's one thing I haven't replaced yet.

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If you are running the HX35 you are good to 35psi with out damaging anything. That usually clears up most of it for sure.

Thanks.  I went back and set it to 35psi.  You're right that cleared it up for the most part.

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Yea... Max boost should be about 35 PSI without any issues. so check your max boost again. As for the Edge Comp you might have to turn down to a lower setting like 5x3 to control smoke. But try other sublevels like 3 and 4 and see what works better for you for controlling smoke.

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Thanks Mike. I have to try and trace down a boost leak now. I can make pressure but I cant hold it. Is the best way to find the leak to pressurize the inlet at the turbo and use the old fashioned soap and water?

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I tested for leaks and cant find anything. I pressurized, listened, used soapy water and cant find anything. Still not holding pressure. Plugged wastsgate and drove. I can hit 28psi but starts dropping intstantly. Any ideas guys?

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Mash that puppy to the floor! (If your tranny will hold haha) You should be seeing above 30 psi, especially because of the low elevation. With just a comp at 5,300ft elevation I was at 33# of boost. My egts were also way hotter though.

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The alternative is to find something to plug the intake of the turbo and use an air compressor to pressurize the system. This is how I have tested for several boost leaks. Just make sure the valves are closed and don't go over 60psi. Most of the leaks I have found show up around 35-40psi.

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