I have a 1986 F-150 2wd with a 4.9 automatic c6 transmission, and the feedback carb system. For the past several months I am having rough idle issues when the truck is starting cold, or cooled down. When I put the truck into reverse, or drive for the first time after cold starts, it wants to...

I have 86 300 i6, and I am having a very hard time getting the timing set. The main reason is the timing mark is completely gone so I am trying to time it by ear right now. So I have been turning the distributor a tiny bit at a time, and then test driving. No matter where I put the timing, when...