Re: 1948 Suburban - finishing what dad started...
My LT1 sat for quite a few year before I started it. It ran rough and sounded like an old Harley. You can tap on the injectors to free them (as it sounds like you did) but the biggest improvement I found was to swap out the injectors with a clean set. It made a world of difference.
I found someone on EBay that had a cleaning service. I bought a set from them and gave them my old set to knock some of the cost down.
Nice progress.
Marc
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