Thread: 1970 145s carbs
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Old 05-16-2021, 10:31 PM   #4
JohnMc
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Join Date: May 2004
Location: St. Louis
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SU HIF6 will have a tall cylindrical dome on top, to house the piston that regulates the vacuum at the jet:


The Stromberg 175CD will have a much shorter dome, housing a rubber diaphragm that does a roughly similar function:
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