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Big MBC Question

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LaserRST

20+ Year Contributor
340
1
Oct 6, 2002
I just built and installed an MBC (5.50)and it seems to work fine. Recently, I have been surfing DSM sites to see what else I can do to my car and came across a couplea sites that told you how to install an MBC. They both plugged into a tee fitting that comes from the BOV? I dont have a tee fitting from the BOV. Should I be worried? Everything runs WICKEDLY fast, infact I am terrified to drive the car hard and race any one who is going faster than me due to the fact that the car now has two settings, docile and put ur nuts in yur throat. The other question is I have it connected between the line off from the turbo and the Waste Gate, this completely took the BCS outa the picture. This worries me a little cuz if I git knock this thing wont boost down cuz the BCS is just laying there helpless. This is the only way I could figure to use this because the BCS used venting boost from the turbo to keep the waste gate closed. If there is a better way to do this let me know, please. My car has gained my respect (and gave me that hoardish desire for more, More, MORE...muahahaha!), and I dont want to put it through any detonation. Also for those whom had detonation before, I have heard it in other cars, but the interrior of mine is really quiet, can you hear it inside your car with the windows up? Hey thanks for all your imput fellas!
 
just remove the bcs completely, and install the mbc between the nipple on the turbo outlet and the wastegate solenoid.

Oh, and GET AN AFTERMARKET BOOST GUAGE and install it. The factory one is NOT accurate and is in fact not a boost guage, but a computer estimate.

Just do not run it over 15 psi until you have done a fuel pump rewire, and maybe an upgraded fuel pump.
 
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