I'm having a similar problem as Kasey. I have a 91 Sunsetter with 25 hrs on the rebuilt engine and about the same on a remanufactured 4bl Rochester quadrajet. I'm in Aspen, so run it at about 8000 feet. I can gun it and it sounds great, gets up to about half speed, and dies. I can cruise at lower speeds, but not enough to wakeboard. I can pump it real hard and get it to not stall out, but I still lose all power. I've talked to lots of people and am getting lots of useless help. The last was that I needed a Wedge between the carb and intake to level the carb out. I ordered one and will try it tomorrow, but don't think that's going to fix it. Was told that jetting is not an issue with that carb. Any thoughts?
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