Valve Stem Sizes Depending on the application, valve stems holes in wheels will be typically 0.453” for cars / light duty trucks and 0.625” for heavy duty / commercial truck applications. Based on application, valve stems are available to fit 0.453” or 0.625” holes. Can you replace just a valveRead More →
A blowoff valve is connected by a vacuum hose to the intake manifold after the throttle plate. When the throttle is closed, the relative manifold pressure drops below atmospheric pressure and the resulting pressure differential operates the blowoff valve’s piston. Where do Wastegates go? You’ll find external wastegates on theRead More →
Replacing your valve stem is an easy task to do, even if you aren’t a mechanic. New valve stems cost about $10 dollars to repair if you do it yourself. If you bring it to the shop, it will cost about $30. Is the valve stem part of the tire?Read More →
The system usually consists of a tube, a one-way valve and a vacuum source (such as the intake manifold). The unwanted gases, called “blow-by”, are gases from the combustion chamber which have leaked and pass through the piston rings. What causes excessive Blowby? While excessive blow-by can be caused byRead More →