Quote:
Originally Posted by Croustibat
I'd rather know BEFORE running a turbo that i am going into surge or overspin territory, not when i install and break it.
That is the turbo manufacturer job to tell me which efficiency i am going to get, too.
I am not talking about what could limit a turbo application on an engine here, i am talking about the primary function of a turbo compressor. That function is giving airflow at a given pressure at a given efficiency, at a given turbo speed.
And yes, i want to know all that before trial fitting it to any application. Engine dyno is a power result, which may be great, but it does not tell you if the turbo is going to break because it is spinning too fast or surging all the time.
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Well there is no RB25 BILLET bolt on turbo that comes with a compressor map (from ANY company). So it looks like our turbo is not for you.
Sounds like you should be buying:
-new T3 manifold
-new Garrett turbo (with
compressor map)
-new downpipe
-intercooler pipe adapters
-coolant line adapters
-oil feed line
etc...
Looks like you'll be spending a lot more than what our bolt-on turbo costs. But at least you'll have your compressor map. You can even print it out and keep it under your pillow at night! Just kidding, I appreciate the conversation.
I agree that compressor maps are good pieces of info, but they are not mandatory or critical in my opinion. We have used this compressor wheel in other performance turbo applications that have made 450whp. The superback dimension and the shaft bore is different but the wheel is the same.
BTW: Other items coming soon...
RB BILLET turbo (ball bearing version)
BILLET Journal bearing bolt-on SR20 UPGRADE turbo (with GTX2863R WHEELS!!!)