[Vwdiesel] Up my boost?

[Ralph Meyermann]

Mostly a little more oomph when needed with cooler egt and a bit better
fuel economy under cruise rpms

Velma 82 1.9L AAZ TD Westy
On Sep 25, 2014 9:16 AM, <lbaird119 at aol.com> wrote:

>
> Increase what exactly?  Mileage?  EGT? Boost?  Cooling? Boost range?
>   Gotta figure out where you want to be when you get there before you
> start on the trip.  :-)  You could go with modifying what you have, which
> might well do what you want.  You'd want to mod the wastegate either by
> changing the spring or with a bleed-off "controller" to allow more boost.
> Then you need to modify the blow-off valve on the intake side.  If you
> don't have 2 1/2 to 3 inch exhaust already, you'll want to start there.  It
> will give better response and lower EGT.
>
>   If that's not enough for you then look for a VNT turbo to put on it but
> there may be major fitment issues since the VW ones come with the exhaust
> manifold as part of the turbine housing.  Then you consult Andrew Libby's
> modifications for making one work properly, with mechanical control.
>
>   Intercoolers are everywhere.  Where to put it and plumbing it in are the
> hard parts!
>      Loren
>
>
>
> -----Original Message-----
> From: Ralph Meyermann <ralphmeyermann at gmail.com>
> To: LBaird119 at aol.com <lbaird119 at aol.com>
> Cc: VW Diesel Group <vwdiesel at vwfans.com>
> Sent: Thu, Sep 25, 2014 2:46 am
> Subject: Re: [Vwdiesel] Up my boost?
>
>
> Any idea where to look for parts or ways to increase
>
> Velma 82 1.9L AAZ TD Westy
> On Sep 23, 2014 11:26 PM, <lbaird119 at aol.com> wrote:
>
> I think a magic wand would be the most appropriate item needed.  :-)
>   You're looking for what everybody wants, more boost over the whole rpm
> range.  Problem is:  A "smaller" turbo, that gives good low end/quick
> boost, tops out and restricts flow at higher rpm.  Likewise, a large one,
> great for top end and even no-waste-gate-needed applications, have nearly
> no boost until mid rpm.  Thus comes in the multi turbo setups or VNT
> turbochargers.
>
>   Depending on the turbo, you start adding heat from the compressing (or
> mostly the friction of attempting to compress) of the intake air.  The
> stock KKK/Garrett turbos start producing enough heat that an intercooler is
> worth it, somewhere around 6-7 psi. I believe it's over 300F @ a bit under
> 60F ambient.  Every degree you take off the intake side, seems to come off,
> 1:1 from the exhaust side.  Not sure just what the boost vs non-boost drop
> is.  The point is to cool it down so that you can then add more fuel, to
> bring it back up, gain power, and still run within save operating limits.
>    Loren
>
>
>
> -----Original Message-----
> From: Ralph Meyermann <ralphmeyermann at gmail.com>
> To: VW Diesel Group <vwdiesel at vwfans.com>
> Sent: Tue, Sep 23, 2014 8:15 am
> Subject: [Vwdiesel] Up my boost?
>
>
> I was wondering whats needed to continuously run higher boost, not just on
> eavy throttle? I have a high mount k03 for clearance, need to make it a
> ybrid turbo?
> Velma 82 1.9L AAZ TD Westy
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