Re: 2 nice viggen performance up grades - Saab Performance Bulletin Board - Saabnet.com
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Re: 2 nice viggen performance up grades
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Posted by Dean (more from Dean) on Tue, 9 Sep 2003 18:51:31 Share Post by Email
In Reply to: 2 nice viggen performance up grades, ed smith, Tue, 9 Sep 2003 13:45:14
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Viggen = T7

So you have made the turbo spool up fast, and increase boost in the lower gears, but not enough to get the T7 upset? So the peak boost in 3rd gear and up is unchanged I expect.

The install of a MBC like this is in series with the BPC and is termed a SMBC. This is a great way to liven up a T7, and also can be done with a T5. The SMBC needs to be adjusted sanely. It also will complement a modified ECU by improving boost response to get the power that is there, delivered sooner. Power delayed is power denied.

Because the peak boost or air flow is not increased, or perhaps very little, the clutch does not see any increased loads. If you push up the pressure a bit in the lower gears, the gear box will see some load increases.

posted by 65.68.102...

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