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Hey @Tanner H , think you are on to something. so here is where we are at: we bypassed the intercooler to see if the intercooler was the issue. We also did an air test and the flow was great. So we eliminate the intercooler being the problem.@NJ KZJ78 do you remember if you removed your smaller butterfly on the throttle body during the egr delete? Is the trundles adapter flat where the small butterfly would open? I think that version is for people that delete their smaller butterfly. Just thinking about it since that’s the only part you swapped out.
@bj70bc thanks man, so here is where we are at: we bypassed the intercooler to see if the intercooler was the issue. We also did an air test and the flow was great. So we eliminate the intercooler being the problem.i suggest bypassing the intercooler to trouble shoot first
if it is still doing this then you have a data point, ie you changed something else and it aint the intercooler
Ok so you are saying of we remove the small butterfly and use the trundles adapter with the blank plate that covers the butterfly air hole, then it will alleviate the black smoke?. Thank you. We are going to try to remove the butterfly today and see if that works per your suggestion. Fingers crossed@NJ KZJ78 Yeah makes sense.
So when your engine is running, that small butterfly valve is open. But since your trundles adapter is ''blank'', its forcing the smaller butterfly to stay closed and the engine is pissed.
The smaller buttery fly valve also helps for quieter ''shut downs''. If you remove the butterfly, it should solve your problem but be prepared to have a rougher shut down when you turn the truck off.
Long story short: If you remove your small butterly from your throttle body, your truck will run great with your trundles adapter. I set up my small vacuum line to keep the butterfly valve always open 100% of the time.
-or-
You can go with an ''EGR'' version that allows the small butterly to remain active and open like the two options below:
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