I was lookin at the GT series... i was lookin at the 320hp Gt28R... if its raited at 320 do you think i could make around 230-240whp with a 8psi setup (60trim wheel t3 compressor housing)??

 

Keep in mind the larger wheels you use the longer spool up times will take.

If you want a turbo that can support 300ish whp but yet want a nice efficient one for 240whp you could look into running a .50 A/R housing 50 trim t04e compressor with a .48a/r t3 turbine (t3/t4 turbo).

Those were the specs of the turbo that I ran on my 330whp setup in the past.

Drop Mike at MotorMatrix.com a PM or talk to the guys at http://www.cheapturbo.com and they should be able to help you out greatly.

 

thanx, i was lookin to run ball bearing, but i dont think the benfits will outweigh the costs... i meen, i might be screwed becasue i dont want o break 6500rpm for a while which meens i would a turbo that kiks in pretty quik, but i want the room to upgrade to higher boost levels n rpm down the road. Around hat rpm will this turbo kik in 7-8psi?

 

which of these will spool up the FASTEST and still leave me room to push break the 300whp mark down the road (i know theres alot but there different configs of the T3-T4 combo)
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thanx for any help