29 Fountain Speed Question
 

How much HP do I need to get my single step 29 Fever to the 80-85MPH? Right now with a 500EFI I can get a best of about 73 on GPS

You will need around 600 hp, to hit 80 on GPS. 2006-2007 29's with the HP600's ran 81-83 on GPS, according to the performance sheets. We had a 2002 with a 575SCi that ran right around 79 GPS on a cold day, 1 person, very light on fuel and no one else on the lake (no wakes to cross or worry about hitting "wrong"), and light wind chop. One of my friends, who goes by Roger here on OSO, has a 29 with twin 575 hp naturally aspirated engines that runs in the mid 90's.

I have an 05 with 575. Best Ive seen is 81gps twice once with 3/4 tank 3 people 2' chop,60 degrees. The other time was 2 people 1/2 tank flat water 80 degrees. The first time I think I could have 82 and that would have been it I think. Its an 78-80mph boat all day though. Most important is cold weather and chop. To run 84-85 I know I would need to do the cooler and pulley. 650-700hp. Just my opion based off my experience.

One word, "WHIPPLE"

:ernaehrung004:

I agree but one of the mechanics that I've talked to about doing it said $10-12,000! Too much for me!

A buddy of mine runs his at max 87 MPH with a 500 EFI.

:D

Yeah, but that's not comparing apples to apples, is it? You are probably refeering to a full on race layup boat.

He's bragging on Trent's raceboat. Thing was kilo record holder and only weighs a little over 4500 if I remember right. Trent can approach 90 using an XZ drive (doesn't rob as much power)

You will need about 650hp and since you have an older version, raising the drive 2" will be in order. If you do that, you'll have to switch to B1 props.

Too bad you're in Cali, I could point to a guy over here in Fl that could get that 500 EFI to make over 600hp without "huffing" the engine. :evilb:

Yeah,,,but i did'nt know that the raceboats are so much lighter then the plessure versions ?!

Sorry.

No worries, the boat's light weight does make it go fast, but Trent's told me on several occasions that it's a real "interesting" ride past 80. :eek: It's a completely different beast than my 29 was. I saw 82 with a 525 in mine on a cold day running a 28" B1. Most of the time I ran a 26 B1 and topped out at 77.6 on the limiter no matter the conditions or load.

Ok, so why doesn't the 2006-2008 29Fever with a 600 (referred to in the beginning of this thread) run faster than UNSANE's boat with a 525??????? Are they really 600hps, or is the 525 around 580 hps...............?

Actually they are making around 550 or more at the crank. The heads on my boat were shaved a wee bit so she was always a little bit faster than others, plus that was a 50 degree day and she was very light. Later on I had the upper end modded a little bit by an "evil genius". At the time, unbeknownst to me, I had a piston that was breaking, probably from an earlier reversion issue. So the boat only ran 79.5 on 7 cylinders after the mods. By the time I got it fixed, the cold weather was gone so I never tested it again and I sold it over the summer. We were estimating the boat would run 86 or so when dialed in and based on how she did on 7 cylinders, I believe it would have. I was able to plane the boat out on a 30" Hydro QIV and it ran that speed on that prop.

Racr.........even though you have an older hull, you should be able to attain those speeds with some changes. A shorty LU should help and a 500EFI is much easier to mod than a 525, especially when it comes to the ECM tuning. Everything costs money though...Good luck! :drink:

Racr, we added 100hp by changing cam and adding Dart Aluminum heads and MSD ignition via Tyler Crockett. An incredible rebirth for our 35 L.

Carder

Our2000 29 with a 500 EFI ran its best at 73.6 mph ... I took a digital picture of the GPS "max speed" screen, and just ran across that picture a couple weeks ago. That was cold day, just me in the boat, and a 24P LH Hydro Q-IV. My friend owned and raced a 29' F1 boat for Fountain. That boat was race lay-up with a 500 EFI and it ran 81-83 mph. I could probably get more details from him, if you need them.

I have performance reports for several 525 EFI 29' Fevers, and most of them say 77-78 mph as top speed. I think their boats slowed down a little once they started installing GPS speedometers in them. :party-smiley-004:

I had an 01 with a 500EFI and a Vortech supercharger. Fastest was 86 empty and averaged 82 with 2 people and 1/4 tank. It would spin a B1 30" to 5500 and a 32' to only 4900. A 28 Maximus would run about 81 until the Bravo went poof. I was told these make about 650hp. I would guess that your 85 would be possible with a labbed 32 with a couple gallons of fuel and 650 hp.