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Message: [QUOTE="TARM, post: 1423377, member: 578"] So many people would do better to have waste gates but so many would rather spend money on something else. When you consider that stock injectors are too much fuel for the stock turbo and then look at the air flow difference between it and the 38r its easy to see why you can get 80% hybrids if you fuel them heavy to cook the egts. 80% hybrids gets you a good deal more fueling than stock ad especially if you have upgraded HPOP. Honestly for maxing out the 80% hybrids it would be something moving a bit more air than a 38r although its a good match for it as there are large numbers of 7.3 that were putting out 500 HP setups and good egts running that combo. There are just better choices out there today it seems. I have not messed with any of the smaller turbos since I got my gtx so I have only others experiences to gauge it by. But IMO for those that are going to work there setup hard I would choose a larger turbo rather than one that has puled everything it can out of a certain wheel size as in every case I have seen it lower durability. For me my ideal setup for a 7.3 for all around is a set of compounds on 200% nozzles not looking to max out HP just get great throttle response thru the entire load range. A HP turbo that really lit low and spool up really fast where I could dial it back with the waste gate and then a nice large atmos that would give me really smooth but very low drive pressure ratios. I spent a good deal of time looking at maps and talking to guys to find good matches without having to go custom. Keeps things easier Would not be looking to get out of the 600s. I think I would over time have trouble staying away for 400% knowing I had the air there if I wanted it. Just I would rather have more reliability if I have a fully built engine than to push it to the ragged edge with boost pressure around 100+. Rather have something I know I could stomp on over and over and not have to worry about it coming apart for a very long time. But thats just me. Even if I did have 400% I would likely only use it to push the RPM further but without actually increasing absolute fueling levels below where I was already peaking HP. Hold peak Tq below 1500 for sure if not closer to 1200 as a max. Rather get another 300-500 rpms of band width moving the peak up etc. But that's just me and my preference. IF I keep the 7.3 in it that is ultimately what I will do. Otherwise its getting the DT360 I have on the burner to build. Throw in a fuller 6 or 8 speed and make it the ideal end of world rig :naughty: [/QUOTE]