I took your good advice Jerry. Problem is I cannot locate a coupling with the correct thread size. It's a fine thread and nobody seems to carry it. People guess metric and I assure them it's not. Does anyone know what thread size that goes into the the large bolt for accessories? Wipers and PCV.
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Last edited by Chaz 58; 12/02/2021 9:42 PM.

1958 Chevy Grumman Olson step van