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I played hooky this afternoon, and played around...I think I am down to it being a bad MAP sensor, I'm going to check with a buddy that might have a spare.
First, I went through the whole list on vclassics.com archives, all checked out.
All plugs are very black, but not wet maybe 20 minutes time since new and they are already this black. Compression, cam lobes, etc are fine. Checked the temp and pressure sensors from the ECU plug, no problems noted. Injector resitance was just under 3 ohms each. Trigger points test fine, as did the throttle switch. Fuel pressure did not climb, negating a possible partly clogged return.
Ignition checks fine, This has the Crane unit in it, I reset the optivcal trigger ( it was pretty close) no change. Stock computer makes no improvement.
The one thing I noticed and failed to mention earlier, is that it runs fine for 30 seconds or so when first started, then goes rough and rich, and will do that each time. It won't accelerate well now ( I may have messed up the throttle switch adjustment) but once up to 2000, smooths out a bit, then goes rough and rich again.
There's not much left but try a different MAP is there?
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