N75 and MBC in parallel to get rid of a boost spike anyone ?
04-17-2007, 02:14 PM
#1
AudiWorld Senior Member
Thread Starter
N75 and MBC in parallel to get rid of a boost spike anyone ?
<center><img src="http://ctny.audiworld.com/mark/s4/misc_data/mbc_vs_n75_boost.gif"></center><p>I need to get rid of a nasty boost spike I'm getting. If I were AWD, It wouldn't be a problem. But since I'm FWD, I get an instant wheelspin when boost hits on 1st and 2nd gear (1st is no problem and prolly unavoidable, but 2nd is kinda annoying).
I would be happy with 1.2bar of boost, instead of 1.4bar spike in low-mid RPM.
I have found this pic on the net - N75 and MBC working in parallel. Anyone tried this ?
I would be happy with 1.2bar of boost, instead of 1.4bar spike in low-mid RPM.
I have found this pic on the net - N75 and MBC working in parallel. Anyone tried this ?
05-28-2007, 04:54 AM
#4
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it works...
Before:
<img src="http://pictureposter.audiworld.com/72544/block115-3rd-82f.jpg">
After:
<img src="http://pictureposter.audiworld.com/72544/block115newn75boostvalve.jpg">
<img src="http://pictureposter.audiworld.com/72544/block115-3rd-82f.jpg">
After:
<img src="http://pictureposter.audiworld.com/72544/block115newn75boostvalve.jpg">
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