November 17th, 2016, 05:46 PM
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Senior Member
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Join Date: Mar 2015
Location: mclouth kansas
Truck: 64 Gmc suburbann 305e, 4speed. v12 truck engine, v12 irrigation,2-305e,305a,305d
Age: 68
Posts: 373
Rep Power: 152
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Re: 1964 GMC "crustine" semi-build.
If this is a 305e it should not have a pvc valve. Should be closed caps. The crank case takes air in though the breather at the back of block and vents through check valves in cylinder.
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