Re: Rough running @ full tilt down position...
I Have Checked For Wiring Or Fuel Restrictions And None To Be Seen
Wiring or fuel restriction failures may not be visible but still exist. You may recieve some good advice on what to fix/replace based upon the symptoms you have described so far. However, I think that there are too many possible causes to start fixing/replacing parts on a hunch. I prefer a more systematic approach to troubleshooting before doing the fix/replace thing. This should be relatively easy since you have a consistent and repeatable problem. First check for failing spark using a timing light or spark tester. If the spark is failing when the engine is running rough, you can troubleshoot the ignition system further. If spark checks out OK, then check the fuel system. I prefer using a vacuum gauge to test for fuel restrictions and fuel pump problems. The below guide describes how to do this. After peforming the above described troubleshooting tests and reporting back on what you found, you will likely get a more informed advice on what to fix/replace or what to test further.
