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Author Topic:   Quicksilver Power Tune
slazerow posted 09-16-2003 09:14 AM ET (US)   Profile for slazerow   Send Email to slazerow  
I was just wondering what you think of Quicksilver Power Tune. I know that removing the carbs is the best solution for cleaning them, but this sounds a lot easier. Is it safe and effective.

By the way, my engine seems to burn a lot of gas (3-4 gallons per hour), has a very slight hesitation when going quickly to WOT and goes "only" 32 mph by the GPS, when I heard that a 13 ft Whaler should do at least 38. I haven't done a compression test, but I will as soon as I get a tester.

Tom2697 posted 09-16-2003 12:23 PM ET (US)     Profile for Tom2697  Send Email to Tom2697     
I was told by a certified mechanic that the "cleaner in a bottle" is one of the famous industry tricks to get an improperly stored boat to run correctly and to charge the customer a bundle. From what he said, I believe they work.

As for burning a lot of gas, a dirty engine will do that but if you are quoting your WOT consumption, that sounds about right for a 40 hp (???).

32 is your boat loaded? Especially with smaller boats with smaller engines, weight will kill your speed quickly! Test the top speed again with only one person, no gear, and minimal fuel and see what you might be surprised! Or, play with the speed calculator to find out the max speed with different loads. My boat will fluctuate about 7 mph at WOT depending upon the loads I run.

Clark Roberts posted 09-16-2003 01:47 PM ET (US)     Profile for Clark Roberts  Send Email to Clark Roberts     
Power Tune is a decarboning product and intended use is to remove combustion deposits (read Carbon) from the pistons, rings, combustion chamber and cyl walls. It is injested through the carbs (follow instructions on can) but does not enter the float bowl or any fuel lines. To clean the carbs suggest you add a bottle of Chevron "Techron" to about 6 gals of gas and run this mix through engine at moderate to fast speeds. The Thechron is the active ingredient in PowerTune (also made by Chevron as is Yamaha's "Combustion Deposits Cleaner") and will not only clean carbs, fuel lines and fuel pump but will also de-carbon the engine... BTW, I think power tune is a good product and have used it many times and have also used straight Techron in the gas per above. This topic has been discussed at length previously... happy Whalin'... Clark.. Spruce Creek Navy
Bigshot posted 09-16-2003 02:09 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
32 is about on the money, depending on what 40 you have and what prop, hull condition etc. People quote 38 with a 40hp but I think 34-38 is more likely. Run the techron through and see what gives. slight hesitation from dead stop to mashing the throttle is normal, especially with a carbed engine. If you are running her WOT constantly, forget the techron because she won't last long enough to worry about.
lhg posted 09-16-2003 04:19 PM ET (US)     Profile for lhg    
I have used the Power Tune product also, to remove carbon build-up in my in-line 6's. It really works, and wait 'til you see the gunk come out of the engine.

Recently, however, my mechanics have been telling me that if I use Mercury "QuickClean" in the gas, instead, there is no need to use the Power Tune. The QuickClean cleans everything, and Clark tells us that Techron is it's active ingredient. This stuff REALLY works when used in about every 4th tank of gas. I have noticed that the engine puts outs more, and differently smelling, smoke when it is used.

Everybody should be running this additive in their fuel, as carbon build-up is the great killer of outboards, especially the DFI's. Yamaha markets an equivalent product also.

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