GTM Performance Engineering VQ45VHR-Our Journey to The 1000 HP and Beyond

Nixlimited · 07-14-2011, 12:07 PM

Quote:

Originally Posted by DIGItonium

AFAIK, custom fuel rails to support the lower manifold adapter for the VR38 intake plenum, but I guess it will also support the larger injectors for Mike's build. Unless these fuel rails are a one size fits all solution, my car won't be needing it for the Stage II @ 6.5 PSI and VR38 intake plenum.

Since I'm in a bit of a crunch and cannot afford technical challenges beyond the TT setup, I'm going to hold off the VR38 plenum project for awhile. I was really hoping for something similar to Mike's setup with BOVs located in the engine bay.

Technically speaking (i.e. aesthetics notwithstanding), you don't want the BOVs in the engine bay. You want them before the intercooler. There is no point in heat soaking the intercooler with air that you are going to then vent after the intercooler, but before the combustion chamber i.e. air that is never going to be combusted. It may not matter much in the end, but if you want the highest system efficiency, then you don't want to cool air you don't have to.

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