Max boost on 13g + 390's?

[91Bomb]

Will the 13g spin 15 lbs eveyday reliably (when seeing 6500 rpm max) or is that too much for this small turbo to take? And just as important is it beyond its effeciency range at 15 lbs anyhow and pushing hot air or is it still good? Is it a durable unit at 14-15 lbs and can it be expected to last a few years running at those levels?

Also, when do 390's max out? I've read MANY times that 450's max at about 16 lbs but never seen anything for 390's

 

[byebyev8]

I'd say yea U'd be able to run 15 psi on the 13g with the mas free mod.