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Message: <blockquote data-quote="getyourownbox42" data-source="post: 2139328" data-attributes="member: 481226"><p>Holley throttle-body system, camshaft, maybe some head work. There isn't anything you can do to increase horsepower on an engine cheap unless its a v8 and we are talking bolt ons. For a reasonable price you can get a 4.2 and bore your 4.0 out, use the crank and rods from the 4.2 and make it a stroker. Torque monster..</p></blockquote><p></p>