I have a 2000 that came with a 502mpi & it would just do 63mph, next year i had it stroked to a 540 & added a 525 tall efi & inc the comp. that motor ran the boat 72mph but the steel heads & high comp blew that motor after 50hrs . not happy i put alluminum heads & inc the cam lift, piston comp & bored it another .30 over, added a big oil cooler & had the thing dynoed & tuned by gary at gt performance ,650hp on 100oct av gas & 700lbs of torqe, at 5400rpms havnt broke it in yet so what do you guys think it will do ?

I'd say you might see 75-77 with that set up. What drive are you running on it?

bravo with the upgrade xr shafts & gearset , 1.5 & brand new 26 pitch with work done by r&r in henderson. i think they added 1 deg & did something to the trailing edg to give it mor bow lift ?.i know the victory 27 has a hook on the bottom & being a sea doo rxp 80plus mph guy , i have had to remove a hook and put a strait edge to that thing ! hard work that paid off big & my bud with all the $ he never could figure out why my ski was allways 3 to five mph faster with all the same mods. last winter while the new power plant was beng biult i got under the citation & low and behold there was a 1/2 - 3/4 in hook at the last 12-18 in of the back of the boat . belt sander, orbital block sander and finaly hand block & 400 grit , strait as the strait edge now ,just a lil white spraypaint to hide all . bob supulvada from havasu tells me of a citation up eather in oregon or washington with 1k hp, 3 foot trim tabs and a young man with more $ than brains and no fear of death is close to 120mph ! ? if any one knows who this is id love to see some pics & some truth about the real top speed of this citation !

i just got back from a weeks vacation with the wife & 2 kids in laughlin nev , lake mojave , backing in at th ramp i see a brite orange howard bullet 28 ft ! could it be ? i had to go look & talk to the man ! yes it was the wolds fastest single engine v bott boat we hav all seen on utube doing 132mph ! super nice guy 1 cleanest boat & trailer i have ever seen & its an o5 ! he told me he detuned it to run pump gas & it still dose 125mph , then he said he may even take 65k for the whole thing ! wish i had the $ cuz that man did all the work for some lucky guy !

How much did straightening out the bottom of the Citation help you? I am thinking about having the same thing done to my 27. 120mph with 1000hp is hard to believe, with 1000hp I could see 100-105 (maybe)...it would require a lot more to go 120 in a citation. I too would like to see and talk to these guys...

not sure how much the hook removal did ? im now running at 5500 rpm , 79.5 .7 with wife & kid on bthe boat , i ran it up quickly & befor i had a chance to find the sweet spot with the trim i was getting screamed at by the wife ! im sure with just me & less fuel & more time to let it fully accelerate with perfect trim it mite do 82-84mph , by the way this was just 3 days ago at the cali delta , sea level 65 deg & about 4- 6 in chop, imo the most perfect place & cond for v bottoms .

And this is with a 26P Labbed 4 Blade?

removing the hook on an Advantage boat is single handed the best speed advancement any Advantage boat owner can make. Face it Advantage boats are great and I've had several, but their bottom quality is suspect. Typically most but not all have hook, especially in the rear two steps. Also rakes edges are rounded vs sharp straight edges you see on other high performance hulls. If you straighten and blue print the hull, an Advantage will fly. But typically they need big HP to run real fast.

yep, 26 4 blade , r&r did add i think 1 deg , nice guys asked my power, rpms if it needed more bow lift , bob ,s @ advantage said they put the rams on the wrong way just to get a lil more lift. i put m on the correct way after i got rid of all that xtra glass on the bottom . i fig thats why they needed so much trim ? & i made the end of the boat as sharp as i could ! we used to buy after market ride plates for are watercraf & cutting off the end , knife edge was a must for that xtra top end

Now the big question is how did the boat handle at that speed? I think mine has several mph left in it if it wouldn't chine walk. Do you notice a difference in handling when the boat has a lot of weight in it vs empty?