To describe this crossram intake manifold best I refer to the text in the 1964 Dodge 426 “HEMI-Charger” owner’s manual, publication number 8. What kind of intake manifold does a Dodge Charger use? The manifold fits between the rocker covers and serves as a tappet chamber cover. Intake passages are larger than in previous types because of increased engine breathing requirements. “A new ram tuned intake manifold similar to previous 426 manifold is used. How does the Ram 426 intake manifold work? This intake has been polished after the fact. Here are some pictures of an original intake with the carb adapter plates and linkage in place. The 1964 Race Hemi crossram intake manifold, part number 2468418, casting number 2468045 is a one piece cast aluminum manifold. What is the casting number for race Hemi crossram intake manifold? Not that a massive, tall tunnel ram isn’t cool. Why are cross ram intake manifolds used in cars?Ĭross-ram intake manifolds provide a more direct, straight path for that air and fuel mixture to enter the combustion chamber without resorting to a tunnel ram that pokes through the hood. Combine that with the more air through the larger and less restrictive filter and intake tube and you can see up to a 10-15 horsepower increase. So if you can get cooler air into your engine, your car will be able to mix more fuel with that air, making more power. This change can be credited to several factors, including the location of the upgraded air intake.

When upgrading your air intake, truck owners can expect an increase of between 5 and 15 horsepower, though this number can be higher or lower depending on your make, model, engine size, and type of intake. How much horsepower does an AEM intake add?

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