Fuel Injected 202
blacky:
G`day all , I just bought a VK Commondore with a fuel injected 202 as a donor car and I was wondering if anyone out there has done this conversion before .
Is the harness for the fuel injection seperate to the rest of the cars wiring , a la VN etc ?
Is the factory computer able to be tweaked or am I better off tossing all of the factory stuff and getting hold of a Haltech , Wolf , etc brainbox ?
What about mounting fuel pumps inside FC fuel tanks ?
Any ideas much appreciated.
craiga:
Blacky,
You need to send a PM to username 'Chuck' (Charles Lark) from the NSW Club. He has done this conversion before.
Cheers,
Craig.
blacky:
Thanks Craig , he wouldnt be going to the nats by any chance ? ? ?
craiga:
Blacky,
Chuck will be at the Nats, and he is definately the man you need to talk to.
See you there,
Craig.
Ed:
Hi Blacky,
The Delco 808, which I believe the Vk uses is one of the most under-rated units ever made IMO. also camira, astra, VN etc.
Far more versatile than a Haltech, Wolf or many other big dollar ECU's. C.O.M.E sings its praises highly.
Re-tunable by many places around the country. Kalmaker allows the units to be re-mapped for good performance.
There is a forum dedicated to this, please google "kalmaker". Alan Gibbs of Injection Connection is the main brain there, also Choco Munday who has written some helpful books on EFI , they really know their stuff.
Chuck is also into his EFI 6's and would be useful to pick his brain about stuff.
For my project, I have used the motor harness from a VN, the great thing is that a number of relays for things like headlights, fuel pumps, engine fan, A/C (if desired) and horn are easily added. Also handy was the fusible links box. I dont see why this couldnt be used for a VK if they share the same ECU.. keep in mind the engine harness only (VN anyway) has wiring for the sensors to ECU only, the relays were picked from the engine bay of a wrecked VN (V6 or V8 doesnt matter).
the EFI itself isn't so hard to wire up, but be prepared to spend hours routing it to the relays and fuse board of your choice.
Alternatively you can purchase "powerhead" harnesses with a hook up of several wires only.. easier if wiring is a little too intimidating or time is an issue.
fuel pumps...
the most basic set up would require a hi pressure pump and a return line from fuel rail to fuel tank.
I'm sure u can get in tank hi pressure pumps, the depth of the tank to accomodate the pump would need to be determined.
Again, in my project, a low pressure (external) lift pump to surge tank feeding a hi pressure pump thru 3/8" lines was used although it isnt entirely necessary.
Also consider the original tanks breathe thru the cap, and this will hinder the flow of a high pressure pump, so an additional breather may need to be fitted. A fuel neck from a EFI car does the trick.
As you will be sourcing most of it from a donor VK, Im guessing the little things like Vehicle Speed Sender (VSS) is included. this is often overlooked, however once agin adaptors to suit a range of gearboxes can be found quite easily.
Other performance stuff...
Im sure you can adapt different sized throttle bodies to suit the Holden 6. Even if it were making a custom manifold and sticking 2 on there to resemble twin carbs! ....now that would be cool.
Hope this helps
Cheers
Ed
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