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On 23 Aug 97, Greg Merritt wrote:
> At 2:42 AM -0000 8/23/97, Sean James Forbes wrote:
> >I was wandering what is the same for the fuel injection system on a '73
> >fastback automatic and a '69 fastback manual. I am about to transport
> >the engine from the '73 to my '69 and need to find out what the same is
> >in the fuel injection. Thanks
>
> Ugh. Precious little...
>
> Please don't quote me on all of these, but this should be
> approximately correct...
>
> The following are definitely *different*: pressure sensor,
> throttle postion sensor, distributor, throttle body, brain.
Add FI cable harness, aux air regulator (AT vs MT), pressure switch
(not used after 69) and right side intake runner because of pressure
switch. If your 73 came with EGR then the pressure regulator is
different, too.
> The following, I think, should be roughly similar if not
> "officially" swappable: injectors, intake runners, trigger contacts
> in dizzy, fuel pump.
Plus fuel filter, 12v relays....
> I am probably wrong with about half of these ;) but I think it's
> roughly the right idea... there's really not a whole lot that's
> similar (at least among the expensive parts;) across these years.
> Oh--if you can make the '73 throttle body work on the '69, then you
> should be able to wire up the cold start injector. Bonus!
Yes, I have been hoping to do this, too, but the shaft diameters are
different. You can use the late switch, but only use 2 of the 5
contacts; this would be a good use for an otherwise worn out
late switch.
Good job, Greg.
the good news is that all the parts that are different can just be
removed and replaced with the correct ones. You will probably need
some gaskets, however.
Jim
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Melissa Kepner Jim Adney
Laura Kepner-Adney
jadney@vwtype3.org
Madison, Wisconsin
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