Mercruiser High Perf gear oil... Is it worth It??

kdmiller8251

Chief Petty Officer
Joined
Jun 7, 2002
Messages
495
Hello All:<br /><br />I have an Alpha I brand new last season....<br />Is it worth the extra $$$ to run the Merc High Perf. Gear oil????<br /><br />The boat is a 21ft cuddy with a 350 in it....<br />Use it for tubing and cruising....<br /><br />Thanks in advance...<br /><br />Tallman
 

denniz

Senior Chief Petty Officer
Joined
Aug 21, 2002
Messages
743
Re: Mercruiser High Perf gear oil... Is it worth It??

Think of yourself as a engine manufactuer. You build this product. You give it a 1 year warranty, and recommend what lubes should be used in the engine and outdrive. Within a year a customer has outdrive troubles and you find out that hes been running Walmart or pennzoil oil in it which do not meet your specs. Would you warranty it? How much price difference is there? 4 or 5 dollars? How often do you change your gearlube? once a year? Hell yes its worth it. Im not trying to be a smartasz but they know whats best for what they build.
 

P.V.

Chief Petty Officer
Joined
Mar 14, 2002
Messages
452
Re: Mercruiser High Perf gear oil... Is it worth It??

Merc. HP gear oil is what Merc uses in that gearcase. I have people ALL the time ask me "what weight oil is that??" and I tell 'em, that unlike their combine or haybaler, DON"T use anything BUT Merc HP gear oil. If anything fails, was that 55 gallon of 90 weight gear oil the culprit??? Don't be so cheap. It will only cost you $12 or so to fill it!!
 

Doug Durako

Chief Petty Officer
Joined
Nov 17, 2002
Messages
519
Re: Mercruiser High Perf gear oil... Is it worth It??

Hey, Tallman-----I used the generic stuff in my old rig (Merc I drive) with no problems but the new Alpha is turning 600 to 800 more rpm. My mechanic tells me the high-perf is the only thing I should use in the Alpha.<br /><br />Also, I change mine every 40 hours, religiously. Maybe that is too much but we run with the hammer down a lot and I like to know what's goint on down in the gears.
 

llerrad

Petty Officer 2nd Class
Joined
Jan 21, 2003
Messages
172
Re: Mercruiser High Perf gear oil... Is it worth It??

As you know the value of a new outdrive the price of the best oil is nothing and less than a case of beer. So give the best the best.
 

C17LoadSmasher

Petty Officer 2nd Class
Joined
Nov 24, 2001
Messages
152
Re: Mercruiser High Perf gear oil... Is it worth It??

You know the old saying, an ounce of prevention is worth a pound of cure. I had some drive problems, and had to drain and refill it several times, and I also wondered what the big deal was - but sided with Merc. knows whats best. A few dollars here isn't anything compared to a new outdrive...
 

magster65

Commander
Joined
Sep 1, 2002
Messages
2,573
Re: Mercruiser High Perf gear oil... Is it worth It??

I agree with the merc. drive oil but you know the merc. recommends merc. engine oil as well... does everyone use that stuff too? Just curious.<br />I don't.
 

dhammann

Petty Officer 1st Class
Joined
Mar 25, 2002
Messages
299
Re: Mercruiser High Perf gear oil... Is it worth It??

Merc is not in the oil business any oil that meets the specs will be fine. The fedral govnm't does not allow any manufacture to specify a certain brand of oil unless it can prove that is necessary. Merc has not and can not. Bottom line is a Marketing scheme. Don't get hung up on oil issues, there are more meaningful things to be concerned about such as routine maintainance.
 

jeremyp111

Seaman
Joined
May 31, 2003
Messages
51
Re: Mercruiser High Perf gear oil... Is it worth It??

Big Dee is right. As long as the gear lube you use meets or exceeds the same specifications as the Merc high performance gear lube then you will be fine. On the back of the container you will find the specs.<br /><br />It is against the law for Mercruiser to require you to use mercruiser gear lube or void your warranty.<br /><br />JP
 

denniz

Senior Chief Petty Officer
Joined
Aug 21, 2002
Messages
743
Re: Mercruiser High Perf gear oil... Is it worth It??

Dont want to change the subject but do you feel the same way about 2cycle oil? Ive seen more than a few powerhead warranties declined due to customers running cheaper grades of oil that did have a tcw3 + rating.
 

horndog

Petty Officer 1st Class
Joined
Aug 6, 2002
Messages
279
Re: Mercruiser High Perf gear oil... Is it worth It??

could get Mobil 1 synthetic gear lube, maybe its too "slippery" who knows! I wish they made Mobil 1 straight 30 for my motor! I definately would use it then!<br /><br />Yes, the merc gear lube and oil is just a marketing scam. <br /><br />Put it this way, car dealers make more money off of service than they do selling cars. The money is in the support of a product, not selling it.<br /><br />So in the case of your merc outdrive, they make more money off of selling re-labeled "wal-mart" oil than they do off you buying their outdrive.<br /><br />Well, why don't they just sell oil then? I guess, because they want to pull your pants down... well, you can figure out the rest of it.
 

kdmiller8251

Chief Petty Officer
Joined
Jun 7, 2002
Messages
495
Re: Mercruiser High Perf gear oil... Is it worth It??

Sooo. Since some say yes and some say no....<br /><br />What does everyone recommend for a New alpha I???<br /><br />Thanks<br /><br />Tallman
 

horndog

Petty Officer 1st Class
Joined
Aug 6, 2002
Messages
279
Re: Mercruiser High Perf gear oil... Is it worth It??

go for whatever you feel comfortable with.
 

P.V.

Chief Petty Officer
Joined
Mar 14, 2002
Messages
452
Re: Mercruiser High Perf gear oil... Is it worth It??

Well, this is pathetic!!! But I will tell you a story, True, but MAYBE it will prove a point!!! In the late '80's, a lot of OMC engines ( and possibly others motors also) were experiencing powerhead failures up in colder climates. In the northwest it gets cold in the winter but often people still boat as it may not freeze up all the rivers and Puget Sound, as an example. Anyway, powerheads were going south and oil seemed to be the culprit. Gelled oil to be specific. Servicing dealers were seeing it all too often but everyone was telling the customers to go away from that sh*%%y "aftermarket but well known name brand" crap and go back to the OMC stuff.(After all, the OMC oil was not gumming/gelling up).Gee, could it of been higher quality???? Many of these engines were 2,3,4, OR MORE years old,and the customers were having to pay out of their own pocket, but those engines that were under warranty, were being repair'd/paid for by OMC. Now, "aftermarket, but well known oil company", when called upon by individual dealers and customers, to pay up on some of these "out of warranty" repairs, basicly said "Ya, right!!!" And those people were left out hanging to dry. BUT when OMC got involved in those engines that were under warranty, OMC told/made/argued/threaten'd/begg'd/litigated........and soon powerheads were being paid by "well-known oil producing company".(And I bet they soon changed the composition of their oil too.) My point is this. The engine manufacturers have dramaticly lowered their prices on alot of their service parts/oils due to competition from aftermarket vendors.Good for us, huh?? Their prices may not match the others exactly penny for penny, but if Mercury's High Performance gear oil causes a failure of your outdrive, Mercury will pay for it, PERIOD. Just like if their outboard oil causes a powerhead failure, they'll pay to fix it. If a Merc. impeller fails due to a manufacturing defect, and it destroys your powerhead, they WILL give you a new Merc powerhead! And I'm not talking about a remanufactured unit from some shop who happens to have the "best prices" going!! Can the other guys make that promise?? Can you really believe that any ol' 90 weight gear oil is the same as Merc's HP gear oil??? Are you that cheap that you would take that chance?? I charge $15.00 for gear oil in my shop for an Alpha 1 drive. I sell it for $11.95 in the quart over the counter. Now, I like to save $$$ when given the chance, but just what is it that you're saving?? Certinly not peace of mind!!
 

horndog

Petty Officer 1st Class
Joined
Aug 6, 2002
Messages
279
Re: Mercruiser High Perf gear oil... Is it worth It??

*sigh* another marketing victim...<br /><br />As someone stated before, as long as it meets the manufacturer's specs you will be ok.<br /><br />Comparing something like oil in the 80s is like comparing computers from the 80s to today. Its not comparing apples to apples. <br /><br />There is differences between oils. Most of the 2-cycle oil out there meets and exceeds TCW-3 specs.<br /><br />Comparing a defunct company like OMC from the 80s to today's manufacturer's is tough. The technology has dramatically changed, there is more compamys pumping out engines now then before.<br /><br />Bottomline, if you want to spend $15 on a quart of oil, go to your manufacturer's dealer, who gets their oil from a different oil company who also markets the same product for cheaper. The only difference between oils is the label
 

Good Sport

Cadet
Joined
Jun 8, 2003
Messages
22
Re: Mercruiser High Perf gear oil... Is it worth It??

I know all the Volvo mechanics I have talked to INSIST that Volvo synthetic is required in the new outdrives.<br /><br />One factor to consider is the amount of expansion the lubricant experiences when it is heated. Too much can blow out your seals.
 

denniz

Senior Chief Petty Officer
Joined
Aug 21, 2002
Messages
743
Re: Mercruiser High Perf gear oil... Is it worth It??

You can "sigh" all you want horndog but P.V. NAILED THIS ONE .Marketing victim my AZZ we work on this Sh-t everday. Weve seen oil related failures from B.S.oil Especially in 2stroke outboards. Bet Ill here a BIG SIGH from you after you pay for a rebuild.
 

denniz

Senior Chief Petty Officer
Joined
Aug 21, 2002
Messages
743
Re: Mercruiser High Perf gear oil... Is it worth It??

Boat= $10,000 Marina rental=$100. mo. gas used for the weekend= $50.00 The look on your mechanics face when he finds out youve been running cheap oil and your engine is now locked up= PRICELESS My point is you spend $20,000 on a boat and want to save a dollar on a quart of oil???????----????? Do ANY of you have a BRAIN????Put water in it if you want to thatll lubricate it. ... for a while
 

dhammann

Petty Officer 1st Class
Joined
Mar 25, 2002
Messages
299
Re: Mercruiser High Perf gear oil... Is it worth It??

If the dealer doesn't honor your warranty for running another brand of oil with the same SAE specs, call the better business bureau and the see a lawyer and sue the crap out of him. If you are so "brand concerned" ask who makes merc oil then go buy it at a decent price.
 

denniz

Senior Chief Petty Officer
Joined
Aug 21, 2002
Messages
743
Re: Mercruiser High Perf gear oil... Is it worth It??

Its not the dealer who honors your warranty its the factory. Save a $1. on oil and hire a GOOD lawyer. Boy thats money well spent.They need to change the name of this forum to Idiot.com
 
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