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su hs4 carbs
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General Tech SU HS4 Carb Pistons Do Not Rise When Cranking
My 69 MGB was running great, then shut off for 6 hours. Will not restart!! Fuel - check! Spark and static timing - check! Air?? I notice that the HS4 carb pistons do not rise when cranking. Correct oil in dampers. Proper clank when dome pistons have been raised and released. Needles do not...