To develop 200 hp., you might want to exchange the SC12 to SC14 superchargers (or maybe more extremely successful 1), do the port and polish with the cylinder head and purchase an aftermarket ECU. The fourth-technology 4A-GE engine was produced from 1991 to 1995. It has silver cam covers with https://4age-blacktop-engine-for37148.blogkoo.com/indicators-on-4age-20v-you-should-know-50943094