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  1. engine - What is a head? - Motor Vehicle Maintenance & Repair Stack ...

    Simply put, your human head is on your shoulders, a engine head is the the head of a engine underneath the air manifold, (usually big and plastic) called the hair of the engine lol

  2. oil - What are these holes on this cylinder head? - Motor Vehicle ...

    Nov 20, 2024 · The following images are related to the engine block, cylinder head & the head gasket of a Peugeot XU7JP LFZ wet liner 1.8L 8V engine which is found in models such as 306, 405, …

  3. What should always be replaced when rebuilding an engine?

    Nov 22, 2016 · If the purpose of the rebuild is to bring the engine back (or as close as feasibly possible) to its original performance, what are some things that should always be replaced? This obviously …

  4. engine theory - Reverse flow head vs Cross flow head - Motor Vehicle ...

    Oct 15, 2022 · Wikipedia says that Cross Flow cylinder heads induct the charge better because the gases doesn't have to change direction from intake to exhaust. Thus the higher inertia of flow of gas …

  5. How to clean cylinder head and engine block contact surface before ...

    How should I clean my cylinder head and engine block contact surfaces before a head gasket change? There is residue paint from the old gasket on both the head and block side. Should I do it caref...

  6. engine - What exactly is a "burnt valve" and what causes it? - Motor ...

    Mar 19, 2016 · Cylinder Misfire, if your head gasket is good and still cylinders misfire then there is a high chance that your valves might be burned since it causes compression loss.

  7. Checking engine head for flatness: what clearance generally, in mm ...

    May 30, 2017 · This engine's (Skoda Estelle/120, 70s, RWD, rear mounted engine) head is cast iron, the block is aluminium and I'm checking it's flatness. What would be the correct flatness clearance …

  8. What is the proper way to extract a broken sparkplug?

    Mar 9, 2011 · Here's why: When your engine is hot, the spark plug holes are compressed due to the expansion in the metal making a much tighter seal. When the engine is cooled, the engine head …

  9. honda - If there are only two symptoms of a blown head gasket, is it ...

    May 3, 2023 · 14 My rule for blown head gaskets: if you have to ask if it's a blown head gasket, it's a blown head gasket. There are other ways than the head gasket that combustion gasses could get …

  10. Is this brownish red gunk definitive evidence of a blown head gasket ...

    Mar 16, 2017 · The rust comes from corrosion of the inside of the engine block. There is no definitive visual sign of a failed head gasket, they do not present any visual symptoms. Head gasket failure …