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Do-It-Yourself High Performance Car Mods: Rule the Streets by Matt Cramer

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Cylinder Head Mods

The cylinder heads frequently offer room for improvement, especially on older cars. On many older V8 engines and some European sports cars, it is possible to replace a cast iron cylinder head with a modern design. In some cases, enthusiasts looking for a new pair of cylinder heads for a ’60s muscle car on a budget can find a set of better designed heads from a late-model engine in a junkyard. Some examples are the Chevy Vortec, Ford GT-40, or Chrysler Magnum heads, all of which were used on various ’90s-era trucks and SUVs. Those with more money can spring for a set of aftermarket heads. These upgrade heads often offer superior combustion chamber designs for improved efficiency and new port designs for less restriction. Many ...

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