The Honda H22 is a perfect gigantic performing engine in inventory die, producing as yet as 200 horsepower in the US Industry Prelude. The H22's performance can be extremely improved with the universal intake and exhaust breather modifications. Many enthusiasts pep on to install upgraded cams or forced induction kits to their H22. On the contrary, provided you thirst for to receive the most outside of your naturally aspirated Honda H22 without modifying engine internals, modifying the inventory intake manifold is a enormous upgrade to praise other intake modifications, gaining as all the more as 15 horsepower on the H22.
Instructions
1. Remove your H22's inventory intake manifold by disconnecting all vacuum lines and sensors, also as the throttle protest bolts. Remove the intake manifold bolts from the engine head and the inventory intake manifold Testament lift unrestrained, allowing for altering. You thirst to conserve the runners smooth and tapered, so grind delicately. Ideally, the intake manifold runners Testament perfectly match the ports they line up with on the engine head. For maximum performance gains, have your H22 engine head ported by a professional, then port-match your intake manifold runners to the modified engine head.3.
Be confident To possess a replacement intake manifold gasket for when you reinstall the intake manifold, as reusing senile gaskets regularly leads to hoover leaks.2. Harbour your intake manifold runners by grinding out news from their interior surfaces with a die grinder.
Port your intake manifold's inlet to match the diameter of the throttle body. Again, you want a smooth and even interior surface. For maximum performance gains, purchase a wider, aftermarket throttle body unit, then port-match the intake manifold's inlet to the increased throttle body diameter.
4. Purchase an aftermarket intake manifold if you don't wish to grind your stock unit. There are several aftermarket manufacturers who purchase bolt-on intake manifold kits for the H22. Alternatively, the intake manifold from the European Honda Accord R -- known commonly as the "Euro-R intake" -- is a popular upgrade for the H22 engine. These can be purchased direct from Honda Motor Co., or from various performance importers.
5. Reinstall your modified intake manifold to the H22 head in the opposite process of removal. Connect the manifold to the throttle body, and reinstall all stock vacuum lines and sensors. Start your vehicle and examine your modified intake manifold for leaks or malfunctions.
