The Slant 6 could be found under the hood of a Plymouth or Dodge from the 1960 model year until the end of its production in the Dodge truck and van lines in 1987. Although the 170 and the 198 cubic inch displacement (cid) versions were introduced and ended between 1960 and 1974, the 225 cid engine was the mainstay of the slant six family. Our 1967 Dart is equipped with the larger displacement 225 cid engine. Although we maximized power from ignition and timing in previous articles, we still wanted more power.

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