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post Jan 18, 2004 - 2:28 PM
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Uppitycracker



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Alright Im new to the turbo scene and Im exploring the possibility of increasing my performance, and am currently on a tight budget. I was hoping to have sometihng for spring time, I was looking into a boost controller and obviously I cant spend 800CND on a EBC, so I was searching around the mr2 forums and they were talking about just using the ebay mbc's, they are only like 12 bucks which seems to good to be true but at the same time its not like a mbc is all that complex.

http://cgi.ebay.com/ebaymotors/ws/eBayISAP...ShippingPayment

So anyone ever purchased something similar? And please spare me the "get what you pay for", Im more or less more concerned with safety rather then it working or not. Is there any advantage to buying a more expensive product other then it looking better?
 
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post Jan 19, 2004 - 4:35 PM
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Uppitycracker



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QUOTE (SpedToe169 @ Jan 19, 2004 - 9:45 AM)
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He talks about setting the ohm value between t1 and t2 according to the chart below, and doing so before installation, Is that value being changed using the pot? and if so why is there a need to set up the pot do read out 4.4v when installing? Or is there more then 1 ajustable screw on the pot?


The resistance chart is just for reference. The voltage is what you should really be checking. There is only one adjustment.

I bought the turboXS HPMBC (high performance manual boost controller). Its designed to be more responsive and more precisely adjustable than the ebay valves, but is still affordable ($124). They claim boost onset up to 800rpm sooner than with a typical MBC. The problem with the ebay valves is that they start to bleed boost before they actually get to full boost. This means that you don't get to full boost as quickly as you should.

Hey thanks for the info man, Ill have too really take that into consideration about the mbc, maybe Ill just get the turboxs from twos r us.

Ok I read through the page about making the FCD and have a better understanding about how the pot works, it works on ratios, spliting the current, I missed that part":P. So I take a gauge and pump, pump the line till the gauge reads 15 psi, then adjust the pot till Im getting a 4.4v signal? I think I got her!!":) Ok so those values he gives, does that bypass the whole pump and gauge procedure??

This post has been edited by Uppitycracker: Jan 19, 2004 - 4:42 PM

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