ANyone on hear have the 98 donzi 22zx with the 7.4l efi throttle body injection. I am looking for input on rpm's. With 5 people full of fuel on gauge hitting 4000 rpms turning 24p prop. 2 people moderate fuel hit 4500. i can free rev the engine to 5200 no problem. I am looking for ideal prop size and also ideal max rpm's. where should i turn this engine.