4.8L 292Cu. In. I6 GAS OHV Naturally Aspirated 20 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated 23 6.2L 379Cu. In. V8 DIESEL OHV Naturally Aspirated 24 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated 24