| Greddy ProfecB - spec II Install I never thought i would drop the money for an electronic boost controller. But I did and Im happy with the results. I picked up a Greddy ProfecB - Spec II the new version of the very succesful and popular Greddy ProfecB. With my manual boost controller I was alway guessing with the setting and it was also giving me a nasty 3 psi spike. Also It didnt allow me to take advantage of my dual port wastegate actuator. The unit comes nicely packaged and includes everything you need to hook it up vacc lines, "t"'s and all. The first thing I did was decide how to mount the control unit. I mounted it under my radio where the defogger and choke lights were located. I choose to cut out the plastic in the dash and fit an aluminum panel over the area which allowed a nice clean look and and easy way to mount the controller. Heres how it turned out: The next thing i did was mount the boost control valve. I located it right beside the turbo on the fender wall and attached it with some very strong double sided tape. I am using a dual port wastegate actuator which has two signal ports. Each side of the diaphram is kept under pressure to keep the valve from cracking open. When the desired boost is reached the front port is opened to the atmosphere letting the diaphram flex and open the wastgate. What i did was run a signal line off the compressor housing and into a "t" fitting I then ran one side to the the back port of the waste gate and the other into the "COM" port on the BCV. Then I ran a line out of the BCV's "NC" port and into the front port on the wastegate actuator. Heres a little diagram: |
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| Now to get to programming the thing.... ill get info up on this in a little while.... |
| Austin's 1974 260z(t) Austin_Hoke@biketrials.com |
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