Digifant on a 16v question

[nealtovsen@yahoo.com (Neal Tovsen)]

Good summary. I'll only add that you can run Digi-I
without any forced induction quite well. One of the
top VW autocrossers in the country is running Digi-I
on an N/A 8v.

The G60 throttlebody won't work well without forced
induction though. It has a port for the G60's boost
recirculation (basically a wastegate) built-in. You
can use the existing TB though.

And don't forget to get the black/yellow vaccuum hose
that goes from the TB to the ECU. The length and
diameter is calibrated specifically for the MAP sensor
(which is inside the ECU, BTW).

The fuel lines and fuel filter can be a PITA because
the fittings for the rail are on the passenger side. I
ran new ones from the fuel tank b/c the car was a
basket case when I got it. Joe, what did you do?

SNsTuning.com will cut you a chip for any application.
Danny and Sam rock!

Neal
'88 16v
'77 G60


--- Joe Doty <Joe.Doty@lcnetwork.com> wrote:
> Nate,
> 
> You will definitely need the following from the
> donor car:
> ECU
> Wiring harness
> Air temp sensor
> 
> It would be nice to get the following from the donor
> car:
> FPR
> Injectors
> Injector cups
> Throttle body
> 
> You will also need to come up with a fuel rail (I
> recommend the Ross Machine piece) and FPR adapter,
> and all lines and fittings to fit it to the existing
> feed and return lines. 
> 
> The idle stabilizer valve is NOT required.  I would
> recommend not using it at all.  FPRs are cheap.  I'm
> using a brand new 944 S (3.5 bar) one that I bought
> for $40 new.  The injectors cups can be had for
> about $30 from the dealer but I'm using old ones. 
> Get the throttle body if you can, simply because it
> will make life easier in the future.  It has a round
> rather than an oblong shaped inlet.  The 16v coolant
> temp sensor works for this swap.
> 
> It took me about a day to install it.  Not that bad
> at all.
> 
> Joe Doty
> IT/Development
> joe@lcnetwork.com 
> 
> -----Original Message-----
> From: Nathan Frechette
> [mailto:desertwind16v@attbi.com] 
> Sent: Monday, January 20, 2003 10:27 AM
> To: scirocco-l@scirocco.org
> Subject: Digifant on a 16v question
> 
> Since I plan on using digi 1 off a g60 on my 16v
> when I go turbo I have a few questions.  First off
> is it hard to install it?  Do I only need the wiring
> harness for the engine bay?  I know that I need a
> special fuel rail, but thats all that I know I
> need.  I imagine that I also need the coil,
> distributor(maybe...I dont know), injectors and the
> inserts, MAP sensor, stuff like that.  Could anyone
> give me a detailed list of what I am exactly going
> to need to get a hold of for this?  Would the engine
> run ok if I install it without a turbo, I cant
> afford the turbo stuff now and just wanted to get
> the swap out of the way so when I do get everything
> for the turbo I can just throw it on.  Thanks alot
> everyone :)
>  
> Nate
> 
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> Scirocco-l@scirocco.org
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