Gulfstream is a heavy/wide boat and under power for a single engine. I would try a Revolution 4 to help with hole shot, planning and cruising. I run a pair of Rev4 17” on my F225’s 265 and it’s a game changer.
Skunk. The legs support the gate from falling forward so I don’t need to do anything more to the lock. I left it original. I used the starboard backer and thru bolts on both sides of the gate to re-enforce the wall.
I put one in my 265. Love it. I can fold it down or remove and put it in the cabin. I measured and ordered from Birdsall marine. Last pic is from the website. The other pics of white bench is on my boat.
I run a pair of Revolution 4 blades 15 1/4 x 17 on my Express 265 w/ F225’s. They are so so much better than the 3 blades. Fuel economy is minimal was 1.6, now 1.8 miles/gal. But the hole shot and midrange is beautiful and boat is 3 miles faster top end!
The 2004 F225’s are heavier than 4.2 F300. You have the 2003 hull, which made for the 4 stroke. Why not hang couple of F250 - F300’s as they are still lighter than what you have now.
Of course, it’s a good business model…if you ever need to replacement one of the engines or new lower unit , crown, trim mount. Grady White will glad to sale you more custom parts to match.
Took these pictures 6/24 Hood Canal, Wa. The owner forgot the transom’s plug after dropping her off the night before to get ready for a shrimping trip. A reminder to all to plug before towing, don’t wait until you get to the dock.