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What is wrong with my set up? MBC

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chavez408

15+ Year Contributor
1,115
1
Dec 13, 2003
Bay Area, California
First of all, i'v done my research i just want a last word of advice. Here are so pictures.
<a href="http://photobucket.com/" target="_blank"><img src="http://i11.photobucket.com/albums/a185/Chavez76/mbc2.jpg" border="0" alt="Photobucket - Video and Image Hosting"></a>
This is after i cut the lines shorter;
<a href="http://photobucket.com/" target="_blank"><img src="http://i11.photobucket.com/albums/a185/Chavez76/mbc.jpg" border="0" alt="Photobucket - Video and Image Hosting"></a>
<a href="http://photobucket.com/" target="_blank"><img src="http://i11.photobucket.com/albums/a185/Chavez76/lines.jpg" border="0" alt="Photobucket - Video and Image Hosting"></a> This is what I had left over.. It goes to the solenoid, Am i doing something wrong?
As you can see, I tap one of the lines into the pipe and other into the wastegate. I took it for a test run and it was horrible, 1st gear ran fine, 2gear I ran till 5k and bam, i felt like i was hitting a brick wall, 3gear, same problem but it happen around 4800k and 4th gear around 4700k. What is happening?
So I stop and did some changes, I used the T fitting and connected to the MBC. So basically Iput the boost controller where the T is down by the fan where the 3 lines meet and one goes to the stock solonoid and one to wastegate and one into pipe.

sorry about the low quality pictures (camera phone)
91GST
injen intake
K&n
joe mbc - settin boost as low as possible to reduce any damage because boost gauge is not install yet.
(boost gauge under construction)
:dsm: :laser: :talon:
 
1. No offence but there shouldn't be a mbc install when boost gauge is under construction, you're most likely over boosting and fuel cut is what saved your motor.

2. You need to explain better exactly what you did with the T fitting under the intake pipe.

3. I'm not familiar with newer model JoeP's, can you take a pic of the body of the mbc.

4. I suggest that you return to stock until the boost gauge is fixed.
 
Thank you, for your help :) I have solved my problem. (she is running fine)
I will take your advice, But I was not going to try and raise my boost at all, I know better than that :)


thanks guys, ill leave the pics up there!
 
Wow oh wow. All kinda things wrong there. First like oldman said, "No boost gauge, no boost controller" Even if you just slap it in there and don't adjust it, you have no idea what the default boost setting is. From the sounds of it you were hitting fuel cut because you are running too much boost, or you have sigificant amount of boost leaks.

The way you hooked the MBC is wrong as well. you are going to getting spikes all over the place. But I can't help you knowing that you don't have a boost gauge. There are some in classified selling for like $25 bucks.
 
I already took off the MBC, I'm installing my boost this weekend. How was my set up wrong? explain?
 
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