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Old February 15th, 2013, 01:04 AM
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6066gmcguy 6066gmcguy is offline
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Location: Honeyville, Utah
Truck: 1965 3500 Rescue Squad
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Default Re: 305E Valve covers on a 305A engine?

The older engines used a Road draft tube to provide ventalation for the Crankcase, later engine had those PVC valves in the heads that did that job and lost the vented cat on the covers along with the Tube, BTW the tube was replaced by a filtered vent on the back of the block.
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Owner of:
1965 GMC 3500 Custom Rescue Squad {Black Built Bodies}
1968 Ford Galaxie 500 Convertible
2006 Yamaha Rhino 450
2008 GMC HHR Panel.
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