What Causes Exhaust Manifolds to Glow Orange on a Diesel?

Answer Believe it or not, lightly glowing manifolds are not that uncommon on diesels, particularly if they've been straining under a load. Even on its best day, the average diesel's exhaust gas temperatur... Read More »

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How to Torque Exhaust Manifolds?

Using a torque wrench to tighten bolts on exhaust manifolds allows for precise setting of the torque, or tightness of the fastener. Both loose and tight bolts can be dangerous, so you must follow t... Read More »

DIY Porting Exhaust Manifolds?

Porting the exhaust manifold on a car is a great way to optimize the performance of the engine. When most manifolds are manufactured, they are not optimized for performance, since the amount of tim... Read More »

How to Clean Exhaust Manifolds?

Exhaust manifolds usually become the most unattractive parts in your engine bay, especially after years of use. It's very easy for an exhaust manifold to become covered with rust, soot and grease. ... Read More »

How to Paint Exhaust Manifolds?

Exhaust manifolds are easily noticed in the engine bay, since they are usually covered in rust; for this reason, the exhaust manifold on a front-wheel-drive vehicle is one of the first things you s... Read More »