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1Yogi

Synthetic Oils

Question

1Yogi

Has anybody put Synthetic Gear Lube into a Lower Unit?

Can I Switch from 90 wt. to Synthetic?

Would you do this on a 1983 15 hp Evinrude?

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Fishbreath1

I sure hope you can! I did that to the diffs in my truck and so far so good. Just make sure its a synthetic that covers 90w (75 or 80w-90).

Could I ask why you want to go synthetic?

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Whoaru99

Yes, but I think you still need to stick with something that is for marine/lower unit use.

Amsoil has it, although I've seen others too.

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Slugo

I've been using all synthetic oils since the 80's. I use it in everything ,execpt things that leak. Mostly Amsoil but somtimes Mobil1 or Valvoline Synth. I realy fell in love with it in a old 76 Chev Puckup. It had 240 thousand on it and I couldn't keep a body on it anymore, just to rusty.

Pulled the moter apart and the cylinder walls were in amazing condition, not a groove. That was all amsoil ,it was about the only thing avalable then.

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1Yogi

Well part of it is synthetics actually lube better. The other part is from what I've read they are more environmentaly sound. It's all about lowering impact these days isb't it?

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theoilman

The AMSOIL Marine Gear Lube is 75W/80W-90 and is rated both GL-4 and GL-5, suitable for all outboard lower units, in-outs, and inboard gear boxes. With 10% water contamination it still lubricates and protects. It prevents rust and is compatable with all aluminum, copper and brass alloys.

To make sure you get the marine gear lube, look for product code AGM, available in 13oz squeeze tubes and quarts.

It is recommended to change at the end of the season before storing for the off season.

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  • Your Responses - Share & Have Fun :)

    • Wanderer
      That’s pretty awesome! I’ve been keeping an eye out around the house but haven’t seen enough activity to coax me out in the temps we’ve been having.  We mainly have fox around the house, and only one good yote.  We had a young wolf do a lap around the house in the spring but haven’t seen him around since.  I know I couldn’t shoot him but I’d sit out just to see him if he started showing up again. Mainly turkey tracks as of late.  
    • Wanderer
      Probably two of the safest bets in the area. I haven’t fished Crooked off Bunker for several years but it always seemed to have plenty of fish. Have you ever been on the Moore lakes near 65 and 694?  Sometimes they get a lot of attention, and I’d have to think for good reason.   Twin Lakes in Robbinsdale used to be a favorite stop for us when we were young.  Did good on pannies and surprisingly well on pike. If you don’t mind traveling further west, Medicine is a pretty good lake.  Lots of memories fishing the crappie hole in front of the beach on the southwest side.
    • PRO-V
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    • Wanderer
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    • Hawg
      Not that I know of. First time I used one and constantly had to clear the shavings and drill kept cutting out. Drill is a 1200# fuel. 
    • PRO-V
      I always did best with frozen Cisco's suspended on a quick strike rig.
    • PRO-V
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    • Brandon Klatt
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    • mrpike1973
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