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Installation: Them or me?

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dr1ftx3

15+ Year Contributor
398
3
Jul 4, 2005
Hoffman Estates, Illinois
Here's my deal, I just got a new JoeP IL series MBC and I called up to get a price quote on an install at one of the local shops. They told me about $75-90 for the install! I was pretty blown away, i'm not sure if I should be but it seems like quite a bit for such a small part. So rather than me dropping 3/4 of a hundred, should I try to throw it in myself? I'm not the "best" when it comes to installing things, but i'm on a tight budget and I'd really like to save that money. Besides, I already have a crappy manual boost controller the previous owner had on the car, if that makes any difference. What do you guys think?
 
Install it yourself. They are very very easy to install. I love how shops can charge a full hour of labor for 5 minutes of work.
 
For the love of god, do it yourself. I hope you already have a boost gauge installed though... that should be your first priority. Or else how will you know how much boost you are using?

See diagram below on how to install it. Ehh... I should clarify... this was a stored photo and I'm too lazy to fix it. Use the bottom "New Setup".
 

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The above photo is one way to hook up your MBC, but the correct way is to route it to a different pressure source. If you can, hook the MBC between your LICP/Comp housing and the WGA (wastegate actuator). Keep the length of rubber hose as short as possible and equal in length, this will help eliminate any possible boost spikes also.
 
The shop probably figured you were an idiot who would pay a fortune if you were asking them to install a MBC. It's a VERY easy install. Takes 5 minutes. Go for it.
 
blcknspo0ln said:
The above photo is one way to hook up your MBC, but the correct way is to route it to a different pressure source. If you can, hook the MBC between your LICP/Comp housing and the WGA (wastegate actuator). Keep the length of rubber hose as short as possible and equal in length, this will help eliminate any possible boost spikes also.

Heh... thats what the lower part "New Setup" shows in the diagram I posted. But I agree that is the way to do it.

Also dr1ftx3 needs to install a boost gauge first though. Tap into the line that is coming off the intake manifold going into the Fuel Pressure Regulator. Run the hose (if Analog) through a whole in the firewall. Either near the stearing column boot or below the battery on the passanger side. All depends on where you want to mount the gauge.

dr1ftx3 if you don't install the gauge first, how will you know what boost level you set the MBC for? Unless you already have the gauge installed... then great!
 
Yeah I already have a boost gauge, so I guess i'm going to try to do this one myself.

--Since I already have an old crappy MBC on my car, could I just unhook those vac lines and re-hook them into the new one?
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dr1ftx3 said:
Yeah I already have a boost gauge, so I guess i'm going to try to do this one myself.

It is really simple.
1) Remove your intake piping

2) Plug a short peice of hose into the the inlet side of the MBC, the other end into the nipple on the turbo... near the J looking pipe on it. It may have a plug over it... remove it.

3) Plug another short piece of hose onto the outlet side of the MBC, the otehr end plugs into the Wastegate of the turbo.

4) Dial the MBC all the way out so that it is at its lowest setting

5) Secure the MBC so it is not flopping around (zip ties work). Make sure the MBC can be dialed in.

6) Re-install the intake pipe.

7) Take it for a test drive, note the boost level and adjust the MBC till it reaches 13-14 psi.

Note: Unplug both hoses going into the BCS and plug the top nipple of the BCS. Leave the BCS plugged into the wiring harness. Also plug the open nipple on the intake pipe that the BCS was using so the intake pipe is not sucking air through it.

All told, it should take you 30 minutes to do. And you should only need a phillips or flat head screwdriver to loosen the clamps on the intake pipe.
 
If you're really that scared about doing it yourself, i could meet up with you and supervise as you do it yourself just to make sure your dont do anything wrong.
 
DSMark said:
If you're really that scared about doing it yourself, i could meet up with you and supervise as you do it yourself just to make sure your dont do anything wrong.
I'd be more than happy to do the same. I've installed my MBC in the past, and also my current AVC-R.
 
dr1ftx3 said:
Wow guys thanks for all this support. But like Underradar said, I can ultimately just hook up the 2 old lines to the new MBC and all will be well?

Yes you can.... just match the ports. However the ideal method is the one described. I have the IL series as well works great. I believe I set it like 3 turns to get to one atmosphere, ~13-14 psi.
 
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