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G'day all, I have a 1UZFE, normally aspirated, connected to an 8 1/5 inch Doen Jet in my boat and at low revs, it hunts really irritatingly. Trying to sit at low revs and travel in restricted speed areas at 5 knots is very frustrating. Once I have more throttle on, the hunting clears and she...

all done Thanks guys, the engine is back in the boat and running now with new bolts and a very sweet sound. Thanks again, Rick

G'day all, I have a warped head!!!!!!! That comes as no surprise to my wife and others who know me until I tell them that is my boat engine with the problem :11: The engine is in my jet drive mahogany speedboat http://www.seabrookemarine.com/Seabrooke_18.html and I blew a head gasket...

Thanks very much guys, that's a huge help. Now to get stuck into it again......... I'll post a couple of images of the engine in the boat when she's done. Thanks again. Rick H

G'day all. I'm fitting a 1UZ-FE into my boat and am a little confused with the oil flows. The engine is complete (from an SC400 Soarer) and has not been pulled down so my understanding of the internals is limited. The engine was supplied without the tranny which may be causing some of my...

Thanks Rod, I'll talk to the jet guy about that and see if it will make much difference to him. Regards Rick

You Sir, are a champion. Thanks. I'll post some images of the boat soon. Regards Rick

G'day everybody, I'm in the process of mounting a 1uz-fe to a jet drive in a speedboat that I am building and I need a power curve diagram so that the jet dudes can select an impeller with the appropriate vane pitch. If it makes any difference, the engine is out of a Soarer and has the...