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09-17-2015, 10:59 PM
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#1 |
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Senior Member
 
Join Date: Apr 2005
Location: Cheyenne, WY
Posts: 740
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Rough Run
Ive been fighting very rough running. In looking at previous posts on the subject it appears there are many culprits. Ive checked everything twice and still can't find out why.
I checked dwell and it is right at 30 degrees with little fluctuation. When I try to check timing I find that it is all over the place. One moment its at 6 degrees, then it bounces off the mark, guessing it to be 14 to 18 degrees (vacuum disconnected, port on carb plugged). Obviously this coincides with the rough running but I don't know if the rough running is causing the timing fluctuation or the other way around. I pulled the distributor and the end play is about .080. I am finding conflicting information if this is out of spec or not. My instinct tells me it could cause a timing fluctuation but not sure it would cause the 10 to 15 degree fluctuation. 72 350, stock points distributor 1112047 Thoughts?
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