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Toby (B.), I've also been toying with that idea. The thing about
the FI ECU (computer) is that it's just a dumb box. It has no idea what
engine it is on, it just looks for certain inputs from sensors on the
engine so it can tell the injectors what to do. Case in point, the
Ferrari Testarossa has TWO Bosch Motronic ECUs on it's 12 cylinder
engine. Something tells me that's not because Enzo and the boys in
Marinello found them on sale, either. I've been thinking about putting
a type III (d-jetronic) on my super beetle to solve my carburetor
problems with this Weber Progressive and get an opportunity to learn
more about the d-jetronic's capabilities at the same time. It has an
1835cc engine and I will be trying to use the larger injectors from a
914 to match the larger displacement. Porsche used the d-jetronic on
the 914's up to 2.0 liters (somebody correct me?), so it should be able
to work with larger engines if configured with the proper parts from a
914.
Now, my questions. Does anyone know of a source of information
about the injectors themselves (i.e. flow rates, GPH ratings, etc...)?
Also, I need to get the source for the injector wiring connections
again, if possible. I think Greg and maybe Jim had information about
where to get them, but I can't find them again.
I am still looking for sources for the reproduction wiring harnesses
I hope to start producing. So far, I have found the wire itself, in
stock PVC insulation and the correct brass connectors. I also have a
source for PTFE insulated wiring (I have tested this myself where I used
to work, and it WILL withstand 400 degrees F - we placed a piece of this
wire in direct contact with one side of a 12mm stainless steel plate and
welded directly opposite it - without damaging the insulation. Good
stuff!). I am searching for the correct tool to crimp the connectors
exactly like the stock wiring was done. So far, all I have been able to
find are production machines (read: big $$$). Other potential problems
may be the connector for the ECU itself, and the factory diagnostic
connector. Any ideas? My squareback should be back from the body shop
later this month (FINALLY!), and the first wiring harness available will
probably be an engine wiring harness for '71 squarebacks.
Jake "visions of wiring dancing in my head" Kooser
'71 Squareback (the little girl)
'66 type 1 roadster (the project)
'73 zooper beetle (Barney)