Vehicle & Technical > Discovery
converting a v8 efi to carbs
Skibum346:
If you DO decide to go ahead... I have a brand new set of SU carbs on an inlet manifold with all the con rods that I took off my sadly departed V8.
It's a whole lot cheaper than the RPI quote!
lee celtic:
We spent all day yesterday doing the organ donor bit , taking things off the V8 and putting them on the 300 comercial ..
I think Mark is getting close to grinding the roof off and caging it ..
And I'm not going to stop him :twisted: :twisted: :twisted:
As long as I get the bits I want off intact first :dance:
m.phill.land:
the
m.phill.land:
thank you all for your reply,s your views and opinions have been very helpful ,shortly we will be hacking away at the old bird getting her ready for some serious work ,after all thats what there made for.o and by the way lee it will be more lick a f-----g sthill saw cutting away.i think the cost and the ineffectiveness of the carb conversion is a no brainer the injection will stay
thak you all chers mark
clbarclay:
I see you are sticking with the standard EFI now, but there was one problem in your initial question.
--- Quote from: m.phill.land on March 15, 2009, 20:01:52 ---we want to do away with most of the electrics ,mainly the electronic egnition
--- End quote ---
The fuel injection and ignition systems are seperate (apart from a feed from the coil to ECU for EFI timing). The ignition system is pretty much the same for carb and EFI equiped V8 engines, so relacing the EFI with carbs won't prevent the ingintion system from short circuiting in water. To prevent the inginiton short circuiting requires improving the insulation of the high voltage components (coil, distibutor, plug leads). This is the same for either V8s fitted with either carbs or EFI.
Electronic Control Units don't like water and moving the EFI ECU from under the seats to somewhere like just under or on top of the dash will reduce the chances of this getting drowned because the driver will then get wet before the ECU does. If you want to go very deep in water then extend the EFI wiring harness and stick the ECU on the underside the roof, that driver will be fully submerged before the ECU gets drowned.
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