I actually did not Assume they did Considerably around the bigport and smallport? I'd a S/T 20v at the time that hated life when it was disconnected.. The 5 valve head is Toyota's reward to your 4AG after the 4AGZE went away. With the extra valve and independent throttle bodies- https://reidntyzz.p2blogs.com/26385668/toyota-4a-ge-no-further-a-mystery