I wanna do a cold air intake but my truck has a PVC valve that goes to the stock intake box. How can I accomplish this? Its a dodge ram 1500 3.7 v6 btw 2008
When the PCV valve first appeared in American cars, It was routed to the intake manifold just below the carburetor. As anti smog devices progressed they moved further and further from the intake. Now they want to even filter the gasses from the crankcase because of sensitive fuel injectors. Personally, I don't see any problem with cold air induction as long as it eventually gets filtered along with the crankcase gasses before the intake.
Copper is the best thing for home water pipes.
Copper pipes good--lead pipes bad
A cold air intake with a washable air filter is more bling than go. The stock intake is more effective because it switches back and forth between cold or heated air and prevents intake icing on cool damp days. A cold air intake is supposed to get more air into the engine, but in reality there is little to no increase in performance. Do not disconnect the PCV tube, as it is part of you emissions equipment and there is a steep fine (rarely enforced) for messing with it. It will also cause your truck to fail emissions, if you have them in your area.
*Positive Crankcase Ventilation valves are never mounted in the intake system of ANY car. How would it vent crankcase blow-by if it were mounted where you say it is. You're looking at the air temperature sensor. Why not drop in a KN air cleaner in your present cold air box and avoid all the trouble you will have with an aftermarket system with NO water drains. Look up under your left front plastic inner fender and you will see a water drain in the factory cold air intake system. PVC valves were never mounted under a carburetor either. Read the capital letters: PVC
