motor speed

[myvitaloca]

Hi <br />Can anyone tell me? I have a 1985, 55 hp Johnson motor. Is it true that a 2002, 40 hp Johnson or mercury motor can be the same or better speed than the 55 hp? I have been told because the motor is new and that now they are more fuel efficient that a 40 hp would perform better.<br /><br />Thanks myvitaloca

 

[JB]

Re: motor speed

Howdy.<br /><br />Unless your engine is sick, it still makes 55hp.<br /><br />55 is a bigger number than 40, and will do more work than a 40. On equal boats it would be faster,if that is what you mean by performance.<br /><br />The 2002 Johnson or Mercury 40 could be one of the EFI 4 stroke 40s. It would still be only 40hp, but would be smoother, quieter and cleaner than your 2 stroke 55, and use a lot less fuel. To some folks that is superior performance.

 

[Hooty]

Re: motor speed

A horsepower is still a horsepower. The difference is where it's measured. Newer engine horsepower is measured at the prop. Older engine horsepower was measured at the crankshaft. I'm not sure when this was changed, but I believe it was in the eighties. The difference is about 10%.<br /><br />c/6<br /><br />Hooty

 

[myvitaloca]

Re: motor speed

Hi <br />Thanks to Red Sky at Night JB and to Hooty for your help about the speed of the motors. Now I have another question? What are the metal constructed frames you see in the water and boats are suspended from them.I know they hold the boat up out of the water I would like to be able to buy one, but I do not know what they are called?<br />Thanks for your help once again<br />myvitaloca

 

[JB]

Re: motor speed

I think they are usually called boat lifts. They may be called different names inother parts of the country.<br /><br />Good luck.

 

[DJ]

Re: motor speed

myvitaloca,<br /><br />They are boat hoists. <br /><br />The most popular brand is "Shore Station". Built by Midwest Industries, Ida Grove, Iowa.

 

[myvitaloca]

Re: motor speed

Hi <br />Thanks for your help will look a little further to see what they are called in Canada.<br /><br />Thanks again

 

[suzukidave]

Re: motor speed

if we are talking about the same thing they are called boat hoists here too <br /><br />(se habla canadese)