Turbo rpm's?
 

What is the highest potential RPM for the average turbocharger? Not the motor, the turbo itself.

What's an average turbocharger?

Just to ballpark, a smaller turbo could see 150k+, larger units, maybe 90k, max RPM, and approximations.

The highest we see with the big units is 130-140K on our compound twin turbo pulling tractors and trucks. But then again the turbos only last 2-3 pulls and sustain 150-200 psi of boost :eek2: for 8-10 secs and over 300ft if your hooking :) ...then its rebuild time.

Super stock Semi

Super stock tractor

JZ

Thats alot of boost, and smoke lol.

A pair of 91.5mm on our dyno ran between 45,000-58,000 to make 2500hp. I have a 67mm with a sensor, but I have never ran it.


Kurt

Why do they need to rebuild so often? What gets damaged and what causes the damage?

Their abusing the hell out of them with that much boost and volume, they wont last.

Lots of impeller rpms, insane heat (2000-2400 EGT)...etc..etc.

JZ

Are there gauges that show impeller RPMs? Or, are the speeds just calculations?

alright, well, whats the typical rpm's o the turbos that we use on LSx engines? Street driven monster type cars.