Check the reeds and belt tensioner first.
Trim up and water comes in mean you need a new Shift cable Bellows.
Thanks...I did get the new kit and installed it.I broke my came follower when putting my pull starter back in.Now I have to wait for that.I just ordered
Had the same problem with a 5.7L years ago. Turned out to be a delaminated hose. Might try and run fresh water from a hose to the exhaust manifold hose
Re: ..."till it sounded to be locking up, almost firing way before TDC."
Only way this could happen is if the spark plug wires