cheapest low speed torque tip is a 194 intake manifold, they have pronounced smaller cross section intake runners with the same size port flanges, but this will definately take its toll at higher engine speeds, but you can crawl around a corner in high gear and pull out with missing a heartbeat or a stumble. man what a cheater stock combo a complete 292 setup on a small 194 would be. them v8 minded tech inspectors would not have a clue if all painted chevrolet orange with a black air cleaner!