what s the max boost u can do w/stock turbo on 1st &2nd gear??? it seems like it goes only 25psi and 28psi or + on 3rd 4th and 5th gear.....

i think it is all depends on how much load putting down to the engine.....
i wanted to run 28psi on 1and 2nd gear too...but i couldnt ....
give me some feedback

 

You can run whatever boost you can tune for and not get any knock.

 

you should be able to get it to spike to 28psi down low like 4000rpms roughly....but you won't be able to hold it at 28 to redline...

 

i run 30 psi on the stock turbo with meth no problems here

 

Wow, have you dynoed to see how much power you are making?

 

any alky user outthere w/stock turbo running more than 25psi on 1st and 2nd gear?
i could run more than 28psi on highway speed at 4, 5th gear no problem...but not on 1 2nd gear ,,why ~

 

i've had 2.0 bar spikes in all gears, but the boost would fall off by 6k rpms to 1.5 even 1.3 bar sometimes. it will never hold...

this is with aem ems with gm boost solenoid & wg duty maxxed out