I've test fitted an intercooler from a 1.8t Audi TT behind the louver on the left side, under the box,  I don't know if you have room for the monster sprinter intercooler but it would definately not starve for air there.Room for 3 air to air coolers for sure. Lots of space in the Doka engine room.
Jeff.

----- Original Message -----
From: David Marshall <mailinglist@FASTFORWARD.CA>
Date: Tuesday, February 27, 2007 1:50 pm
Subject: Areas of vacuum in the engine compartment?

> I am thinking of doing some performance mods to my TriStar that has a
> 115hp pumpe d�se TDI when the insurance is up in late April.  I
> have a VNT-22 turbo here and will be building a custom exhaust 
> manifoldfor it and will be beefing up the intercooler from the 
> "AHU" so
> that I have to something larger to handle the additional air
> compression.  I have my eye on the LT-II / Sprinter intercooler which
> is about 4x to 5x larger than the AHU intercooler.  The problem for
> me is where to mount the intercooler on a Syncro where there will be
> sufficient air flow to cool it down when there is 1.6bar of air 
> pressurerunning though it.  Currently I have an aluminium plate 
> over the
> driver side tail light area that the AHU intercooler is attached to.
> This is all sealed off and an 8" fan is behind it to force the cold
> outside air through it and into the engine compartment.  I am
> thinking that the Sprinter intercooler will be as long as the engine
> compartment is from front to rear and still leave some room for the
> piping.  I was thinking I could build a sheet metal ducting around
> one side of the intercooler so the same fan would continue to push 
> onlycold air through it and not the warm engine bay air.  I was also
> thinking of ways to improve this and was wondering if there is any 
> naturallow pressure zones at the back of a Vanagon to assist 
> pulling the air
> through the intercooler?  Is the engine bay a natural low pressure
> zone as compared to the outside of the van?  If I extend an
> additional ducting downwards to where the air under the van is 
> moving will
> that create a small vacuum?
> 
> David Marshall
> 
> http://www.hasenwerk.ca
> http://www.fastforward.ca
> 
> Box
> 4153, Quesnel BC, Canada V2J 3J2
>