All 4AGE engines possess the similar exhaust port situation and only the 20v engine features a big difference Using the mounting deal with. That big difference remaining that on the 20v the two outer holes are spot more outwards that its 16V equal. Using the 20v engines easily gaining acceptance https://toyota-4a-ge81348.newsbloger.com/31907548/the-smart-trick-of-toyota-4a-ge-that-nobody-is-discussing