Volvo DPX 385...

[Tony]

The third boat down on this site is a 22' Donzi with a "Volvo DPX 385 Racing Drive". What is this, and what engine is likely in front of it? They claim a big top speed number, would this be likely or unlikely?

http://www.shorelinemarina.com/USEDBOATS1.htm

[oldLenny]

454, and the DPX...385 HP

"1999-09-22 | High End Series with New DPX 500 and DPX 600
Volvo Penta shows further strength with the launch of its two most powerful gasoline units yet, the DPX 500 and the DPX 600. Rated at 475 and 560 propeller shaft horsepower respectively, these two power packs are intended for high-speed boats. With the DPX drive, and its counter rotating twin propellers, and hydraulic steering, the owner gets impressive performance combined with easy handling, safety and reliability. The new engines represent the top of Volvo Penta's "High End Series".

Volvo Penta High End Series includes the DPX 385, 415, 500 and 600. Each unit consists of a big block V8 gasoline engine combined with the DPX drive. The DPX 500 and 600 gasoline engines are for customers who want a performance engine with high driveability, low maintenance and safe boat operation.

The High End Series of gas engines allows Volvo Penta to move up-scale and into the prestige segment and offer a complete range of gasoline engines.

The DPX drive is Volvo Penta's high speed version of the well known Duoprop. It features twin counter rotating steel propellers that give excellent grip in the water with good driveability, response and safety, even at very high speeds. Hydraulic steering is standard and further enhances the ease of driving and safety. Despite its unique performance, the DPX still has the quality, reliability and low service requirements of a standard drive.

High tech engines

All of the High End engines are big block V8s with multiport electronic fuel injection (EFI) for reliability combined with fuel economy and high power output. An audible alarm warns the driver of high temperature or low oil pressure, and if no action is taken the EFI automatically slows the engine down to 2500 rpm.

From the outset, the new DPX 500 and DPX 600 are built for very high output with closed circuit cooling. Many of the parts used are specially designed to withstand the strains imposed, and each unit produced is tested with a minimum one hour dyno break in test. The DPX 600 is completely hand built by specialist technicians.


Technical Data

Propshaft power Displacement

DPX 385 385 hp 7.4 l
DPX 415 415 hp 8.2 l
DPX 500 475 hp 8.2 l
DPX 600 560 hp 8.8 l


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http://www.boatinginternational.com/motor/volvo/htm/gasoline.htm

...and this fella has one from the Mid-west DONZi club...

Robert J. Sorrentino - rjs@samfunds.com
7658 Ponte Verde Way
Naples, FL 34109
(239) 643-3051
2000 22' Classic - BB Chevy 454 with Volvo - DPX

[mattyboy]

the new ones are black composite material!!!
well merc has been copying them for so long turn about is fair play!!!!!!!!! eek! :p wink :D

beer popcorn
yeah I'm good to go


Matty

[RedDog]

I think this is a shot of a DPX (5th post down)- http://www.donzi.net/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=1;t=008510#000000


Also here - http://www.donzi.net/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=1;t=007562#000000

[Morgan's Cloud]

In Feb of '93 I ran 2 different boats with the just released DPX drives at the MIBS.One single/one twin installation.Then they were only at 385 pshp (carbed 502's).In a word AWESOME !

The new DPX drive looks more like the DP drive on steroids than the original DPX unit.

I'd love to have one :D

[Forrest]

I've always read and heard good things about the DPX. I have two of the latest model (DPX-A) DPX drives sitting in my garage right now waiting to go on my Magnum, and I must say, they are built like brick s#!+ house! The Bravo looks anemic in comparison; however, the Bravo is lighter in weight. The DPX is not designed to run as a surface piercing drive. The only time that I heard of any failures with the DPX drive was when a few people mounted them too high on the transom.

http://www.donzi.net/photos/Fcoile_dpx1.jpg
DPX-A


http://www.donzi.net/photos/Fcoile_dpx600.jpg
Volvo-Penta/Innovation DPX600 with DPX-A drive

[MOP]

My nephews dealership sell a couple of lines with the new drive, he swears they are 2-3 mph faster with the exact same engine package as the old drives.