I think I found the problem...
#77
did you ever figure it out?
Well I can rule out the problem being associated with the engine cold. Hooked the valve back up after a drive and once again, it ran like crap. Sorta leaning towards 81-F-150-Explorer's back pressure idea. Its running good enough now, and Im gonna replace the exhaust this winter anyway.
As I'm having similar issues with a 78 f150 with a 460 but mine will die on me without any notice when I'm idling & then won't restart.
BTW: yous guys are GREAT!
#79
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