Like Speicher said: "A lighter boat is a faster boat". Racers hate to make their boats any heavier than they are. If anything, I would think they shifted some static weight around to compensate. It does seem like they have a nice set so far.

I have some decent size batteries...moving them forward would be a way to change my cg... is that what you and skate did in your 28 and his 308 ron?

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Like this!
Also the 0 AWG battery cable add a chunk of weight. We went with two hots one from each motor and one common ground shared.

Or you could move your Yeti full of Ultra under your feet!

what about set back of the transom? I know steve as mentioned possibly adding it on his 318...if I'd go with 400R's is it needed and if so what about he notch?

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Trim and hydraulic Jackplate pumps on center bulkhead.

All per Sir Ron's expert instruction.

Steve's knotch was filled in because the boat was originally built for ASD7's not because it was getting 400Rs. I believe the current 318 build has a 5" notch. Maybe Seve knows as he has really investigated this matter.

Right now I'm planning on manual Jack plates with standard set back when I convert.

Ron do you know what TNT used on the 308 they have?

Sam, I like the sound of "when I convert"! Hope that you are talking about new engines, though!! :bananalove:

My guess on the notch fill with the Xcats was just to give the hull more displacement to support the extra weight when static.

Has anyone compared lap times in XCat 400s vs the old 280s. There is not a great difference. Keep your eyes out for 3.2 opti's on 2.5 mids at Cocoa Beach.

Could you elaborate please??!!

And aren't the 2.5 lowers time bombs...