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Reply to "Empi HMPX carbs"

Rust/dirt/crud/shmutz in the tank from sitting could have clogged the idle jets and possible other passages in the carbs.  I'd try cleaning the idle jets first.  That would at least tell you if that's the problem.  The cure might involve cleaning out the fuel system.  At the very least I'd expect new fuel filters.

Sitting is bad.  I had a similar problem with mine when it sat while I tried to get it first registered with our lovely SC DMV.

After sitting who knows how long in FL, then being "restored," then sitting outside through 2 NY winters after I bought it, I probably soaked and swished close to a pound of rust flakes out of my tank over the first two years I really started driving it.

After leaving it sit with a coating of Gibbs Brand over two winters while I had the car apart for modifications, then replacing the fuel pump and filters, I think I've finally got it cured.

I'd say new filters and a carb rebuild would be a good start.

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