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How do you compare hours on a boat engine to miles on a car?

Supercharged Review: Sea Doo GTX 4-TEC

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How do you compare hours on a boat engine to miles on a car?

Boat engines work much harder than the average car engine.They are under a constant load; usually running at about 70- 90% of  total power. An 18-19 foot boat, going 35 MPH, roughly equals a car doing in excess of 100mph. Simply put, water is harder to drive through than air. So how do you compare the wear and tear? Even experts have a wide margin of judgement. Every 100hrs. on a boat could equal anywhere from 5,000-15,000 miles on a car, depending on how hard it was driven. Rule of thumb: 100 hours. = 10,000 miles or 16,000 km. Bottom line: Buy from a trusted source (reputable dealer) or have the boat inspected if you have doubts. Footnote: Most engines are wrecked from leaking gaskets and exhaust risers. That is the biggest cause of "engine wear", which is actually damage. Maintaining your engine is the best way to protect your investment.

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Supercharged Review: Sea Doo GTX 4-TEC

While the exisitng Sea-Doo GTX 4-TEC was impressive enough to garner last year's "Watercraft of the Year" award, Sea-Doo is betting that a more powerful version of otherwise essentially the same craft will entice a whole new collection of enthusiasts to just 'doo it. The bait? A supercharger, a forced air alternative to turbocharging that promises to eliminate the so-called "lag" inherent to turbocharged engines, and an addition that catapults Sea Doo into the industry lead with an incredible 185 horsepower. Let's cut to the chase: does it work? Well, yes. The supercharged 4-TEC engine does indeed feel incredibly crisp off the bottom end. . . With the supercharger in place, an already impressive boat has come alive. you can see it partially in the numbers - the SC posted a 2.49-second time from 0-30 MPH, and a 62.32 MPH top speed - but it's more readily apparent from the perspective of the craft's seat. There is always a reserve of power at your fingertips, power to pull you through a turn, power to pull a skier, power to jump quickly away from the pack.

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