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Recommend a BC for the EvoIII

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Well I got my Profec type S all hooked up & so far so good. With the gain turned to about 1/3rd I get slightly quicker spool the my old mbc and maybe a 1 psi spike with a 3rd to 4th shift (where before I would see 4-6 psi). The low boost can be set to about 15 psi with the gain set where it is and the high can be set to about 20, and probably around 22 with the gain turned up, but then you would get larger boost spikes and the boost will oscillate up & down. The only thing I was wondering was how much boost are other people seeing from these? Greddy says something like 50 psi depending on the wastegate (I believe it is just a multiplyer of your factory wg, ie 2.5x) but I would think I should be able to get more then low 20's out of it. I remember reading somewhere that someone else could only get 24 psi out of theres and they had to send it back to get exchanged?
 
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