BioMike
06.06.2021 15:57:44
You will also want to have the risers and manifolds inspected if they haven't been replaced or checked in the last two years. [links]
See full version: Volvo penta, history reliability
You will also want to have the risers and manifolds inspected if they haven't been replaced or checked in the last two years. [links]
Re: Volvo penta 5.7GLi, history + reliability [links]
Please check your terminology. You're mixing letters. Volvo Penta uses and "L" to denote a carbed engine. They use an "i" to show fuel injection. So if you really have a 5.7Gi.
Yes, in 1997 and still today, the VP 5.7Gi has 280 horsepower. Only thing, you engines most likely have TBI not multiport fuel injection. That's not a bad thing, really, my 1997 Mercruiser 5.7LX EFI Gen + has 280hp and uses TBI. It's not been any problem in 760 hours.
S/N 1: 4110152581
S/N 2: 4110146627
Re: Volvo penta 5.7GLi, history + reliability
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Volvo Penta tells us that the 5.7 series delivers great performance throughout the speed range. Let’s take a look at the numbers and see.
Sizing It Up
The Volvo Penta 5.7L V8 measures 36.8” (93.5 cm) long x 28.6” (72.6 cm) wide x 32.1” (81.5 cm) high and weighs roughly 1070 lbs (485.3 kg). The 5.7Gi is rated for a max top end speed of 5000 rpm, and the GXi at 5200 rpm. Both have a compression ratio of 9.4:1.
The Cost Factor
The first thing we’re really going to consider is cost. Say you were to purchase a Regal 2200 with a Volvo Penta 5.0 Gxi. Faced with the upgrade choice, you’d look to add $1,997 to your purchase price for the 5.7 GXi.
Let’s move over to Glastron for another example. The DX 235DB offers an upgrade from the catalyzed 270-hp 5.0 GXiC to the 300-hp GiC for $1,523 more, so we’re still in the same ballpark.
Let’s do one more. The Four Winns H210 offers the same upgrade from catalyzed 270-hp 5.0 GXiC to the 300-hp GiC for $1,407 more, so we’re still in line with the others.
What is Volvo Penta Talking About?
One factor of these Volvo Penta gas engines that many find confusing, including us, is the nomenclature of each engine type. GI, GX, GXi…etc. What does it mean? It’s really simple code, and as it turns out, it’s not a secret where if they tell you, Volvo Penta will have to kill you. Once you get the hang of it, you’ll realize it’s pretty straightforward. Write this down…
First off, they all start with G, like in Gas.
GL – Low output. This is for the lower end 4.3’s at 190-hp. There are no “L” engines above 4.3.
GX – X is for Extreme. Why not use E for Extreme. We’ll get to that later. Generally an “X” engine has another 20-30 extra horses for an engine of the same size. The 5.7Gi is rated at 300HP. The 5.7GXi is 320hp.
i – Fuel injected. No carburetor. For some reason it’s the only letter identifier that is in lower case and it’s good for the engine, but wreaks havoc on a spell check. The 5.7GXi is extreme hp and fuel injected.
C – Engines with this designator will be equipped with a catalytic converter, just like in your car. This is a new requirement and any 5.7 engines manufactured after 12/09 are required to be equipped with one. So why might your new boat not have one? Because manufacturers can still use up their supply of older non catalyzed engines, which they’re trying desperately to do as this feature adds roughly $3,500, but it’s a federal requirement now so don’t yell at the builder.
(E) – The engine is set up to accommodate EVC or Electronic Vessel Control. This is the coolest thing to come along since ice and we’ll get into it in greater detail later. You can also see our dedicated video on the benefits of EVC. For now, let’s just stick with the basics and also the fact that now we know why “E” doesn’t stand for Extreme.
So to sum it all up, a 5.7 GXiC(E) will be a 5.7 Liter, Gas engine, Extreme hp, fuel injected, equipped with a Catalytic converter, and accommodate EVC. See, simple.
What Performance Can I Expect?
We've tested several versions of the 5.7 in various applications and have been consistently impressed with the results. As an example, let's look at two of our latest.
300-hp Gi - The first is in a 26'3" bowrider with an 8'6" beam. With an empty weight of 4650 lbs, 68 gallons of fuel, and 3 people onboard, we had a test weight of 5608 lbs.
Top speed was reached at 4850 rpm and 50.6 mph. At that speed were burning 22.3 gph and getting 2.27 mpg for a range of 139 miles. Best cruise came in at 3000 rpm and 29.9 mph. At that speed we were burning 10.2 gph and getting 2.95 mpg for a range of 180 miles.
We had a time to plane of 4.2 seconds, reached 20 mph in 7.3 seconds, 30 mph in 10.2 seconds, 40 in 15 seconds, and accelerated through 50 mph in 23.4 seconds.
320-hp GXi - The second boat is a 24' (7.32 m) bowrider with an 8' 6" (2.6 m) beam. With an empty weight of 3840 lbs (1742 kg), 48.6 gallons (184 L) of fuel and two people we had a test weight of 4552 lbs (2065 kg).
Top speed came in at 5275 rpm and 52.5 mph. At that speed we were burning 21.1 gph and getting 2.49 mpg for a range of 121 miles. Best cruise was found to be at 4000 rpm and 38 mph where we were getting a 9.9 gph fuel burn for 3.84 mpg and a range of 187 miles. Time to plane was 4.4 seconds and we reached 30 mph in 6.7 seconds.
Of course it's important to realize that individual boats can vary and actual results on your boat may not be consistent with ours. On this particular test day, with this particular boat, and weight, these are the results we achieved.
EVC
We would be remiss in this article if we didn’t discuss the benefits of EVC, and after testing the systems functions, we can honestly declare that it’s the greatest technological leap forward since they started slicing bread, and a feature that is directly felt and experienced by the operator.
The acronym stands for Electronic Vessel Control and you can take it from someone who has tested EVC personally: Once you’ve experienced it, you never want to go back.
Because this isn’t a full blown EVC article, the short version is that EVC allows for plug and play installation between the motor, and both the engine controls and helm gauges, that allows you to not only control the flow of data to the helm but electronically control the engines, and therefore the output and synchronization with effortless authority.
That means that all those mechanical connections between the helm and the engine are long gone, and adding a remote location for your engine controls, say at the stern or for wing controls, is as easy as adding another wiring run. And the digital controls are opening up a whole new breed of capability. Cruise modes, tow modes, trim assist, single lever modes… all are available at the push of a button.
During our tests, we experienced easy starts, crisp acceleration, and smooth idling. Between the boost in performance for an engine of the same size as its smaller sibling, the environmentally friendly electronic emissions, ease of maintenance, and time tested reliability of Volvo Penta, it’s easy to see that the benefits of the 5.7L series of engines are worth the additional investment in your purchase. here
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ms wrote: I would say that 15 x 17 props were those fitted to original petrol engines and you wont get much out of one of those until you get 5,000 rpm.
I would say that 15 x 17 props were those fitted to original petrol engines and you wont get much out of one of those until you get 5,000 rpm. more
A diesel engine of this power would swing a 16 x 21 without any problem and this would deliver much more thrust. you might even try 16 x 23 (the largest that this leg will take)
Post by seagull2 » Sun Sep 30, 2012 2:38 pm
Post by seagull2 » Wed Sep 26, 2012 5:14 am here
Post by SiFi » Wed Sep 26, 2012 12:00 pm