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Injectors clicking? MSII issue?
So, partial success but not quite there.
After testing for fuel pressure, oil pressure it was time to fire the engine.
Nothing at first. It would crank but nothing was 'catching'. We checked plugs and got power from the coil, then we pulled an ignition wire to test and got spark. We finally pulled all the plugs and cleaned.
We assumed we had fuel (we had good fuel pressure) but after pulling the plugs we could not smell anything.
Our attention turned back to fuel. Were the injectors firing? We pulled one of the injector connectors and was about to test for power and we turned the key to accessory and could suddenly hear the plugs clicking. Ok, that was new. Put the injector plug back on and the engine came to life. It seemed really rich and then suddenly cut after about a minute or less.
Now we don't get the injector click anymore.
I'm using the MSII relay board. Is there any settings I could be with the new injectors? The injectors don't seem to be firing at all now.
I have power to the relay board, both Hot and switched. When I turn the key to ON, switch power comes on both sides of the injector wires. Ground switched? But when cranking, my helper can't hear the injectors clicking.
Here's what changed with the fuel and MSII changes:
(My base setup is the same one I was just using with the old engine/turbo)
New 60lb injectors from Clewett. (Changed fuel requirement from 7.3 to 5.4)
Changed engine size from 3000 cc to 3200 cc.
Increased the VE table 6% to account for increased displacement.
New connectors for the injectors.
Kyle
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Kyle
1980 911sc 3.2 Turbo, 930 Trans
2006 BMW 330i 6mt (DD)
Last edited by flat6pilot; 06-28-2025 at 03:22 PM..
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