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Old 07-16-2009, 12:01 PM   #1
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Default Great deal on quality MBCs

I finally decided it was time to get an MBC because I wanna go faster, and have the headroom. I don't know why I've waited so long. 9psi is fun, but I want MORE BOOSTZ!!1!1!!


Anyhow, I saw the same cheap garbage, all starting at $15 that comes with a bunch of cheap hosing and mounting crap I don't need, and then I saw this:


NXS MANUAL BOOST CONTROLLER 300ZX GSX GST WRX SRT4 MBC:eBay Motors (item 260305956079 end time Jul-22-09 15:09:13 PDT)

-Better quality without the extra junk (obviously so they can spend money on real barbs etc.

-Made in USA.

-Takes $15 best offer, and even if not, the extra $5 is worth supporting Americans over CDM.

Only posted a thread since it looks like a vendor actually made an effort to produce something better than the usual eGay turdnuggets that even hustler would chew on.
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Old 07-16-2009, 12:03 PM   #2
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made an effort to go to ace hardware and buy the parts for $5 and sell it online for $20?

I built mine for $8 including shipping, took 5 minutes to assemble.
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Old 07-16-2009, 12:10 PM   #3
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Yeah, I know...it's pretty much what I'd do if I went to the hardware store.

But by the time you spend the time driving, gas, probability of an accident and the slight headache of finding the right spring and ball it's worth it.

I spent $7 more than you (free shipping) and probably saved myself two hours that could be spent at work, in garage, or at pool with daughter. I also saved a gallon of gas in my case, and don't have to put up with anything annodized blue in my engine bay.

I understand the DIY aspect on big things like the exhaust system I'm about to tackle...but this is a headache free gimme putt.

I'm just excited because I've had exactly $48 just burning a hole in my Paypal pocket for over a month, and I finally put it to work on something beneficial. Now my build budget is down to $33. Must sell interior.
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Old 07-16-2009, 12:13 PM   #4
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Old 07-16-2009, 12:21 PM   #5
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damn me and my lame search skills

Oh well, atleast it's done. I would have put off making one for another year.
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Old 07-16-2009, 03:35 PM   #6
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Cool find.
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Old 07-16-2009, 05:16 PM   #7
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Yeppers, 10 bucks at my local hardware store...easy to make. Finding the spring and ball bearing is tough, have to go to a local business, not Home Depot or Lowes...they dont have it.
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Old 07-16-2009, 06:21 PM   #8
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Quote:
Originally Posted by gospeed81 View Post
I finally decided it was time to get an MBC because I wanna go faster, and have the headroom. I don't know why I've waited so long. 9psi is fun, but I want MORE BOOSTZ!!1!1!!


Anyhow, I saw the same cheap garbage, all starting at $15 that comes with a bunch of cheap hosing and mounting crap I don't need, and then I saw this:


NXS MANUAL BOOST CONTROLLER 300ZX GSX GST WRX SRT4 MBC:eBay Motors (item 260305956079 end time Jul-22-09 15:09:13 PDT)

-Better quality without the extra junk (obviously so they can spend money on real barbs etc.

-Made in USA.
This is the MBC that Paul, DisturbedFan, myself, and a few others here in N.J. all use. Works very well. Although we (well, Paul) had to use some J.B. Weld to reduce the diameter of the breather hole on mine because it was over-boosting. Now it works perfectly.
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Old 07-16-2009, 06:26 PM   #9
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I submitted a best offer.
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Old 07-16-2009, 06:28 PM   #10
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Quote:
Originally Posted by zoomin View Post
I submitted a best offer.
Mine was accepted immediately at $15, which must be where they draw the line. If you're waiting I imagine you'll get denied, just like last night.
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Old 07-16-2009, 06:44 PM   #11
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Quote:
Originally Posted by gospeed81 View Post
Mine was accepted immediately at $15, which must be where they draw the line. If you're waiting I imagine you'll get denied, just like last night.
Your little pun was pathetic, but thanks for the tip on the MBC.
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Old 07-16-2009, 06:45 PM   #12
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I was excited about it.

Amazing how that cheap little part is going to give me 30-40 more HP!
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Old 07-17-2009, 03:28 AM   #13
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Reduce bleeder hole to prevent spike? I don't get it?
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Old 07-25-2009, 07:47 PM   #14
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Quote:
Originally Posted by Spookyfish View Post
Reduce bleeder hole to prevent spike? I don't get it?
Anyone?

I got mine Friday:
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Great deal on quality MBCs-24072009125.jpg  
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Old 07-25-2009, 07:53 PM   #15
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I've been using one for a while as well. The hardest part about building it yourself is not just finding the spring, but getting it to the right length so you have actual control. If it's too long, the screw does nothing. Too short and it leaks and does nothing.
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Old 07-25-2009, 11:12 PM   #16
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Got mine really quick. Looks like real quality that would have taken me nearly as much money and a lot of time to replicate, but definitely how I would have done it.

Haven't installed yet, no reason to since I'm without suspension. Looking forward to upping it a few psi though. Should make life interesting again, and will find the next unsorted link.
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Old 07-26-2009, 12:51 AM   #17
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Quote:
Originally Posted by Spookyfish View Post
Reduce bleeder hole to prevent spike? I don't get it?
I defer to Paul to explain it. He explained it to me a few months ago, but I forget the reason why it works.
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Old 07-26-2009, 01:48 AM   #18
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I've used a bunch of these in the past:


It's nice being able to lock your boost in, and being able to have proper measuring through "clicks". So you can set your boost, then lets say go 5 clicks in advance, and then to put it back, go 5 clicks back. I think they're worth the $60.
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Old 07-26-2009, 04:57 AM   #19
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Quote:
Originally Posted by evank View Post
I defer to Paul to explain it. He explained it to me a few months ago, but I forget the reason why it works.
I believe the reason is that as the MBC spring compresses, you are fighting against a building pressure force as the air behind the ball compresses. Put a bleed hole behind it, and the pressure has someplace to go. Make the hole small enough and it has virtually no impact on the boost the wastegate sees. Basically, the smallest drill bit you have.
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Old 07-26-2009, 01:21 PM   #20
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Does anyone get a whistle/whining noise coming from their bleed holes at 10lbs+?
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