QUESTION: What is the purpose of the “Turbulator” used in Mercruiser Marine Exhaust Systems”. This is a question Performance Product Technologies receives on a regular basis being the leading technical source for Marine Exhaust products and technical information.  The history of the “Turbulator” dates back to 1932 if you look at the original patent filings for such devices. However the […]

General boating safety can seem overly cumbersome at times. However these simple but effective guidelines can be the difference between incredibly rewarding family time spent together on the water versus serious injury, and in some cases even loss of life. As we approach the upcoming 2014 boating season we’ve dedicated a few short & simple […]

  How many times have you been in one of these positions? You go to start the engine in your boat but it won’t crank. You start looking for issues and realize nothing works, not even the stereo system. After 10-15 minutes it dawns on you to take a look at the Lanyard Kill Switch. […]

Topic: Water Pump Failures Question: My Mercruiser Marine Engine suddenly started overheating to the point I’m afraid to run the engine. I watched your video on replacing the water pump impeller and in fact narrowed my problem down to a failed water pump impeller on my 807151A14 water pump impeller. However after replacing the impeller the engine is […]

Question: My Mercruiser 3.0L Marine Engine will crank over but won’t start. Is there an easy place to start when trying to diagnose this problem? Answer: There are 3 basic fundamentals with the operation of an internal combustion engine Spark Fuel Timing As illustrated in the short video below it is very easy to verify […]

Use of Alcohol Blended Fuels (Ethanol): Alcohol In Fuel Concerns Situation Based on recent, and increasing EPA legislation the use of alcohol blended fuels “Ethanol” is becoming more and more common in the USA.  Its becoming apparent that us #boaters are not that important to the outcome of these decisions. I base this on the […]

Here’s the latest installment in our video series on winterizing inboard marine engines and outboard motors. This video provides step by step procedures for winterizing a Mercury Marine 150 Hp 4 stroke outboard motor. Mercury Marine 150 Hp 4 Stroke Outboard   STORAGE PREPARATION *The major consideration in preparing your boat for storage is to […]

Mercury Marine hopes to revitalize the sterndrive market with decisions the company has made about “taking control” by building its own sterndrive engine blocks instead of receiving them from the automotive industry, as it is doing now. “We have made the decision that we will shift away from an automotive supply for our gas sterndrive […]

Let’s Talk Winter Time & Boat Damage We all know that the freezing weather can damage every single part of your boat, right? Not only is maintaining a boat during the winter months difficult, it can be expensive if you don’t do it properly because the pieces and parts of the boat structure and engine […]

Question: Should I use ethylene glycol or propylene glycol in my Marine Engine’s Cooling system? Response: This a great question but needs to be divided into two distinct categories which will be addressed below; Normal Operation – During normal operation you do NOT want to operate with propylene glycol as this coolant does not have the same […]