Holley 4 barrel carburetor problem
1988 Motorhome with 1987 Ford 460ci E-350 has Holley 4 barrel list # 50174. I can not find a parts diagram showing the mixture idle screws should be two in primary if I could have a part name and arro...
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Related to navegator's comment - At least on ours, the carburetor sat on a thick gasket on top of an EGR Plate. The Plate sat on a thin gasket on top of the Intake Manifold itself. We all replace that thick "carb gasket" but that other gasket can burn through and be a vacuum leak under there. In our case, the thin gasket was shot, but part of the reason why was the plate had rusted tight to the mounting studs. When I tightened the stud nuts on top of the carb, I was crushing the thick gasket OK, but not the thin one.
