Re: Maybe you need a MBC+A - Saab Performance Bulletin Board - Saabnet.com
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Re: Maybe you need a MBC+A
Posted by Dean (more from Dean) on Thu, 25 Mar 2004 12:39:25
In Reply to: Re: Maybe you need a MBC+A, Eric van Spelde, Wed, 24 Mar 2004 20:53:02
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To get fast boost response, you really need a ball-spring type MBC.
With the NG900 - 9_3s, the MBC on the undersized OEM turbo does make the turbo spool up fast, but there are pressure overshoots that trigger fuel cuts. That is with the MBC fed from the turbo compressor hose barb.
Then if the MBC is fed from around the TB the pressure overshoots get worse as a time delay is introduced.
The MBC+A eliminates the pressure overshoots and allows these vehicles to use a feed from the TB.
With your TB feed, watch for pressure overshoots. These may be taking the clutch over the edge.
posted by 65.68.10...
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