My qf750 is doing the same thing. Hard starting when hot like it was flooded. I found that my throttle plate settings were jacked up due to trying to lean it out. I've rebalanced the plates and reducing the IFRs to lean it out. I think the QF carbs are pig rich on mild engines. 33ifr and 70iab stock.
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I could explain all this to the girl at the parts store, but she'd probably call the asylum.
White '67 LeMans 407/TH350/Ford 3.89... RIP
Red '67 LeMans. 407/TH400/Ford 3.25
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