TPS based boost control?

[chetwagner at qwest.net]

If I remeber right (and if someone hasn't already made the same 
statement), the 749 with Sunbird/SyTy code does control boost 
using RPM vs. TPS.  I have been out of the loop for a while 
regarding this thread so I am unaware of what got this started.



On 30 Sep 2001, at 21:49, Jason Haines wrote:

> >
> > >I'm really keen on the feature that the Autronic ECU has where you
> > >can
> vary
> > >the wastegate control according to TPS... does anyone make a boost
> > >controller that allows some kind of extra control like this?  or
> > >has
> anyone
> > >modified one of the electronic units to have TPS switch between two
> > >boost presets, for example?   sure would be cool to have 500hp at
> > >50% 700hp at
> 70%
> > >and 900hp at 90% !!!  would help quite a bit on the street at
> > >least...
> >
> 
> One of the HKS boost controllers has the ability to control boost
> versus RPM and versus throttle position. I think it is the Pro model.
> It isn't cheap - I think it retails for something like $1200. The HKS
> controllers seem to work very well.
> 
> Limit Engineering also makes a boost controller that has a TPS input
> (and also can vary boost versus RPM). I think they just call it a
> Turbo controller. It also has auxilliary injector control
> capabilities.
> 
> I think one of the Apex'i (spelling?) models might also have this
> feature (I think you can have speed or TPS on the Apex'i). I have
> never used this boost controller though (just saw it at SEMA and in
> the magazines).
> 
> 
> Jason
> 
> 
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