Dawes controller installation / Boost characteristics - Saab Performance Bulletin Board - Saabnet.com
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Dawes controller installation / Boost characteristics
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Posted by Harry (more from Harry) on Thu, 20 Jun 2002 11:22:00 Share Post by Email
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Hi to all. I have just bought a Dawes boost controller and I'd like to know how to install it best. The car is a CS Carlsson auto.

First of all, my ECU is shot, giving base boost all the time. So I have no interest in keeping APC (which doesn't work, anyway).

To try the device, I put it between the C and W hoses. i know that there is a lot of pipe that way, but it is only temporary. I get very quick spool up, at low revs everything's fine, boost to my set level (14 psi). As the revs rise above 3k, the boost level starts falling, until it goes down to around 10 psi. Is that a result of the long hoses or something else? I know the turbo can't keep up at higher revs, but 10 psi seems a bit too low.

I don't really like the driving characteristics of the car right now, as it takes off with the slightest push on the gas pedal, but as the revs rise the car gets slower. I'm used to more power as the revs go up...

Would running the controller off the manifold help? Where exactly do you tap into the manifold? My car doesn't seem to have a spare nipple. Would the vacuum hose going to the Y splitter and from there in the car (for the boost gauge) be ok? If not, where? I know I shouldn't mess with the MAP sensor line...

Any other suggestions welcome.

Thanks in advance

Harry

posted by 194.117.133...

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