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Message: [QUOTE="TARM, post: 1424328, member: 578"] I think its funny how there is how many years of threads/posts on how many forums of people running anything from stock to 200% hyrbids to B codes with a 38R and if it had good tuning the only real complaint about the turbo is that a good number had a pronounced whistle. I keep seeing this statement about a turbo that moves more air and why it works better? Seriously !?! the turbo has a custom wheel that moves more air is going to clear up more fuel. If you are running heavier fuel and you change to a turbo that moves more air its going to run cleaner and lower egts. You also could just adjust the tune and pull some fuel out. One thing about eh 38R is none of the turbos anyone is mentioning has a track record of being beat on terrible and living long lives like the 38R,. Guess what any size injector from stock up can be run with a 38R. If you can make a injector idle then you can fuel it low enough for even a stock turbo. Yes you have to have the oil to support it duh Is it a big waste? Absolutely. 200% works fine with a 38R as does a stock even split shot injector. If you are having issues other than wanting more power ie more air needed; then it s tuning issue or something else. I am willing to bet there are literally thousands that have run 38R on 7.3s over the years. I am in no way saying there are not turbos that can spool up faster and move more air but that does not make the 38R anything less than its always been nor does it make it bad. By that kind of logical you are all running POS trucks engines trans you name it as there are way way better setups these days with CR and 7 speed auto etc. After being gone for a while its so funny to watch how there always need to be a new cool thing to go on about and the way to make the point is to trash whatever was the old cool thing. If you are having issues with a 38R cleaning up 80% hybrids there is something wrong somewhere else. Boost leak, tuning etc. If all that needs to be done to fix the issue is a turbo that moves more air the tuning was off as the only thing that was changed was more air was added, You can do the same to clean it up from the other side...trimming back fuel where its needed. You can alway trim fuel back especially with nozzles as small as 80%. People need to take some time and go back to the even 8 or so years and start reading forward from there and see how many people were using 38R for everything with no issues. Towing heavy whatever. If you are running some aftermarket wheel then I have no comment but stock wheel there is just way way to much evidence over many years you would have to turn a blind eye to. [/QUOTE]