pvc bypass
those are generally people with 383s with not so great rings or just more blowby in general. there's a breather you can install in the pass side vc grommet that will help keep the oil out of the TB, while maintaining the closed system. There is no advantage on a stock or midly built N/A car to delete the PCV system. Nitrous and F.I. cars are another story.
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if you have aftermarket valve covers that does not have the provisions for the ccv line, do i actually need to drill a hole in the valve cover and add one. This is on a stock bottom end. Top end is built. The car isnt back together yet so im just trying to get everything done all at once instead of having to do this later.







