Supported lb/min for various MHI/Garrett/Hybrid turbos

[FactoryChrome]

Does anyone have a chart/list of the supported lb/min for various turbos? I don't want someone just spitting out, "well my 14b runs x lb/min." I want a list, if anyone can provide this, or even a small handful of the turbos supported air flows, I'd greatly appreciate it. Also, I am definitely a lot more interested in the stock MHI turbos specs than I am in the t3/t4 and all that other jazz. I would like to have those too but they are not a priority. And don't just say search because I did that, and don't tell me to learn to read a compressor map either because I can do that as well. I do not want to compile a list because I figure that there is one some where already. THANKS!

 

[JusMX141]

Are you talking peak airflow achieved at a certain boost level, or airflow achieved by a certain turbo at various boost levels? If it's the latter, it would be easier to just tell you to read a compressor map.

 

[bvass]

There you go - http://www.dsmtuners.com/forums/newbie-forum/252040-turbo-hp-ratings-rank-list-max-min.html

 

[the_mork]

Stealth 316 - Turbo Upgrade Guide

 

[jking29]

If you can read a compressor map, then this should answer everything. Squirrel Performance

 

[JusMX141]

^ ^

Great link to bookmark for sure.



Compressor performance has way too many variables to calculate airflow at different boost levels on any given setup. Bolt-on parts like cams, sheet metal intakes, and other items effect how much airflow can be generated on the cold side. You also have to factor things like intercooler efficiency into the equation, and we haven't even started to talk about turbine wheels and housings yet.....if you're running a 60-1 and your turbine wheel and housing are too restrictive, there's no way in hell that turbo will ever perform anywhere near it's peak compressor flow. Something as simple as a boost leak can mess up the calculated compressor efficiency on any given setup as well because the turbo is working harder than necessary to generate pressure that is not reaching the engine.

The bottom line is that if you're running a specific turbo at a certain boost level and your airflow is calibrated properly, when you compare your airflow numbers to the compressor map and find it to be spot-on, you're running a well-balanced setup....well-balanced meaning you're not over-working the turbo to achieve the performance you're seeing, and the engine is making the best possible use of the airflow the turbo is generating.

I believe this is why guys like Curt Brown are so successful at making power with rather simple setups. Curt crunches the numbers and makes sure his setup is performing as well-balanced as possible, and he's rewarded with amazing results.

 

[FactoryChrome]

So there's no way to say MAX lb/min a 14b can move is x?

 

[bvass]

So there's no way to say MAX lb/min a 14b can move is x?

yes there is, look at the link I posted above.