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-   -   How fast will 27 run with 800hp (https://www.offshoreonly.com/forums/fountain/356193-how-fast-will-27-run-800hp.html)

articfriends 08-21-2018 12:02 PM

How fast will 27 run with 800hp
 
Built a whippled 540 for a customer, hes putting it in a 97 27 foot. Made 880 hp on dyno at 5900, probably make 800 in boat w marine exhaust. Hes going to start out w 1.50 xr and 30lh labbed merc and 30lh labbed hydromotive. What kind of speed should he see, at what point is this hull speedwise going to get stupid, bow hook barrel roll and be upside down or something to that effect? No extension box, factory prop cl on drive, not raised.Thanks, smitty

Mentalpause 08-21-2018 12:17 PM

Which 27 is it going in?

articfriends 08-21-2018 12:39 PM

97 single step 27

hogie roll 08-21-2018 07:04 PM

Let us know! I think I remember a thread saying they get hairy.

badluck 08-21-2018 08:23 PM

My guess would be around 90mph. There is a member that was running close to the century mark with a NA 800 on a straight bottom 27, obviously he had the boat dialed in.

SB 08-21-2018 10:45 PM

99.9% that is Valako's boat.

SC288 08-22-2018 12:22 PM


Originally Posted by SB (Post 4645108)
99.9% that is Valako's boat.

Yep, that's Jim's boat!

hogie roll 08-22-2018 09:35 PM


Originally Posted by SC288 (Post 4645193)
Yep, that's Jim's boat!

thats fast NA!

IGetWet 08-23-2018 07:44 AM

Interested. Have a friend who just bought a 27. Setup right I’d say 95 maybe more.

articfriends 08-23-2018 04:08 PM


Originally Posted by SB (Post 4645108)
99.9% that is Valako's boat.

Me and Jimmy V have had a few good races thru the years, my 272 Baja against his 27 fountain. We've swapped wins back and forth. I see him at hotboat hardy party every fall. Ours boats were dead even when I run mine on full kill, with my 92/93 octane pulley I could walk away from him easily having a bunch more hp/tq than him BUT if we raced long enough id be all done at 96 ish and he'd eventually reel me in (talking a 5+ minute flatout race), Smitty


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