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So now things get murky. Your pressures are good.
Yes, there is a possibility something is wrong in the fuel head (FD). A damaged O ring around a metering slit (or two) would give you what you saw on 2 cylinders.
Turning in to a head scratcher. Sooooo, what I would do next is pull all injectors (you have to break the fuel line on them first), then hook them up and place small jars under them, and run the pumps for 15 sec. Are 2 cylinders out of whack with the rest - like badly? If so, the answer is in the FD.
Are your pumps running with just Key On?
Alan
Edit, 45 sec may be a better injector test time - at idle flow settings. I am used to WOT or near to, and 15 sec is plenty of fuel (50-75 cc)
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-)
Last edited by Alan L; 04-24-2025 at 11:12 PM..
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