[Es2] 3B vs. AAN

Andrew.Jackson at bmo.com Andrew.Jackson at bmo.com
Wed Feb 18 12:28:38 EST 2004

Actually Matt,  My rad config is stock with an intake manifold from 
Dahlback Racing.

(Anyone tired of this picture yet? :-p)


Steve nails pretty much everything on the head.
There's ALOT to consider when going the AAN route, but you'll have lots of 
fun in the process.
Consider this:  My car was a daily driver for over a year while I sorted 
out some of the AAN's niggles.

For someone like yourself, wiring shouldn't be concern.
The biggest roadblocks for me were the IM, Water manifold and A/C.  (Gotta 
have that!)


Matt twentyV <matt_20v at yahoo.com>
Sent by: es2-bounces at audifans.com
02/18/2004 11:00 AM

        To:     Patrick Yam <pkyam at bitstream.net>, es2 at audifans.com
        Subject:        Re: [Es2] 3B vs. AAN

--- Patrick Yam <pkyam at bitstream.net> wrote:
> What are the main transplant issues concerning
> choosing 3B versus AAN?
> Pat
In the end AAN will cost you more but is more
desirable simply because it is newer.  The biggest
issue is the IM, the AAN IM wants the TB to be
in the upper quadrant of the radiator whereas the 3B
puts it behind the motor- IC to TB plumbing on pass.
side vs. driver side.
So you can angle the radiator ala Sport Q, Andrew
Jackson did this.  Or, just bolt on an RS2 IM (and get

that cool Porsche logo).  The AAN setup is better
though, because the intake tract length is much
Others have already mentioned the harness issues,
3B is roughly a plug and play but the AAN will end
up with more splices.
Either motor will allow you to drain your wallet at
similar rates on bigger turbos, EM, exhaust, high
boost ECU code, etc. etc.
So a little more work, probably a little more money.
Is it worth it?  Depends on what you can find for
a deal on a motor, I would think.

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