Shorty
New Member
Was Just wondering what All I would have to change to change the 305 gm to a 351 Ford in my 98 240 Sundancer.
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Was wondering because I am being given a complete 5.7 from my brothers boat when he upgrades to a 5.9 cummins.
I'm still confused. Is the engine from your brother's boat a 5.7 GM or a 5.8 Ford? If it is a Ford, sell it and use the proceeds to get a 5.7 GM. You will be a lot happier in the long run.
I will get everything from mounts Alt, Starter and exhaust Manifolds. It is hooked up to a velvet drive right now. So Probably would only need bell houseing and a hub that has the right spline to go to the Alpha 1.at first I thought the OP was wanting to put a car engine (Ford 351 cid) into his boat but after re-reading the thread I think his brother has a boat with a 5.8L (351 cid) marine Ford engine that he is going to remove and give to the OP....the OP wants to know if he can make the 5.8L Ford marine engine fit in his 240DA....he has a 5.0L GM marine engine in the 240DA now.....so he would not only be going to a larger more powerful engine he would also be going from GM to Ford engines....not sure if the Ford engine would mount to the outdrive without modification or if the outdrive could handle the extra power and I am sure the motor mounts would have to be changed.......it is not stated but based on the year of the 240DA and the engine size I would assume the boat has an Alpha One Gen II outdrive.....I suppose all the instruments and gauges would work with the Ford engine but not sure if any senders/sensors would need to be changed....
cliff
the highest HP 5.8 makes is 300 HP. I doubt that engine is the 300HP model. there were only a few made. the Alpha drive is good to about 300 HP.Will the current outdrive support the increased horsepower?