The 4Gs are a bit more mature and they've got greater mileage. The more recent technology is obtaining the 4Gs up, the Evo eight and nine, and so they’re dumping money into them. Component of that's taking the engine out and redoing them.” straight line from a roll i guess https://mitsubishi-4b12-engine-fo75319.ka-blogs.com/82196293/jdm-mitsubishi-4b12-engin-fundamentals-explained