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bull4202
MMT Pro Member
Joined: Wed Jun 03, 2009 5:02 am Posts: 72 Location: Erwinville, La
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 GTR lower unit grease?
I have 20 hrs on a motor I just bought and I grease the lower unit and the grease was light blue and looked very thin is this normal or is the seals bad? Also the clutch oil or transmission oil was very thick? New to GTR just switch from a prodrive any info appreciated! Thanks
_________________ 20x44 Charles Leonard Bateau 35GTRR
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Sat Apr 05, 2014 9:09 pm |
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robertb4wd
MMT 1000 Club
Joined: Sat Jul 18, 2009 7:18 pm Posts: 1501 Location: Bridge City, Texas
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 Re: GTR lower unit grease?
I would add grease until fresh grease comes out from the bleeder. Most of the time the grease will come out "milky" if you have a seal leak. As for as the oil in the planetary gear, mine was thick on my last motor. Just change it with what you are running in the engine. I have some friends that still use synthetic gear lube in their planetary gear. On my new motor, I'm probably going to use Rotella T 15w40 or the Amsoil Small Engine oil in the engine so I'm sure that's what I'll put in the transmission. Hope this helps.
_________________ 1754 Gatortail Extreme / 35 GTR
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Sun Apr 06, 2014 2:24 am |
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eljefe
MMT Elite Member
Joined: Thu Jan 13, 2011 7:32 am Posts: 5210 Location: Beaumont Texas
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 Re: GTR lower unit grease?
Your supposed to oil and grease that stuff?
you drink the kool aid, id rather drink the whiskey and raise hell!!!!
_________________ You can't see the sunrise if your eyes are closed. dying aint much of a livin....
Black ops IITX marshstalker
1840 WC www.wccustomboats.com fuel injected 25 GTR
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Sun Apr 06, 2014 6:25 am |
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bull4202
MMT Pro Member
Joined: Wed Jun 03, 2009 5:02 am Posts: 72 Location: Erwinville, La
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 Re: GTR lower unit grease?
Ok we'll it wasn't milky just real thin!
_________________ 20x44 Charles Leonard Bateau 35GTRR
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Sun Apr 06, 2014 7:07 pm |
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robertb4wd
MMT 1000 Club
Joined: Sat Jul 18, 2009 7:18 pm Posts: 1501 Location: Bridge City, Texas
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 Re: GTR lower unit grease?
You're probably good then.
_________________ 1754 Gatortail Extreme / 35 GTR
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Sun Apr 06, 2014 8:11 pm |
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Pulpwood
MMT Pro Member
Joined: Thu Mar 01, 2012 12:23 pm Posts: 215
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 Re: GTR lower unit grease?
I just had the same scenario that you had. Referred to the owners manual and it stated that the clutch comes from the factory with grease, not oil. Scared me at first until I read the manual.
My grease came out almost gray at 20 hours. I pumped it full of fresh grease and fired it back up.
Sent from my DROID RAZR using Tapatalk 2
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Sun Apr 06, 2014 9:13 pm |
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bull4202
MMT Pro Member
Joined: Wed Jun 03, 2009 5:02 am Posts: 72 Location: Erwinville, La
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 Re: GTR lower unit grease?
Thanks for the info
_________________ 20x44 Charles Leonard Bateau 35GTRR
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Mon Apr 07, 2014 7:30 am |
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Rstigler
MMT Member
Joined: Tue Jan 22, 2013 5:46 pm Posts: 44 Location: LOUISIANA
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 Re: GTR lower unit grease?
pulpwood does your grease always come out gray?? I have the same and my grease goes in red...
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Fri Feb 27, 2015 1:52 pm |
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Pulpwood
MMT Pro Member
Joined: Thu Mar 01, 2012 12:23 pm Posts: 215
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 Re: GTR lower unit grease?
Are you using the grease that GTR recommends? It's supposed to be blue.
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Fri Feb 27, 2015 10:02 pm |
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Rstigler
MMT Member
Joined: Tue Jan 22, 2013 5:46 pm Posts: 44 Location: LOUISIANA
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 Re: GTR lower unit grease?
No I'm using a red grease from a local store that's for chasis. Shafts and wheel bearings.
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Sat Feb 28, 2015 7:05 am |
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msm8281
MMT Elite Member
Joined: Fri Oct 09, 2009 1:50 pm Posts: 9673 Location: New Iberia, La.
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 Re: GTR lower unit grease?
You better change that cheap shit out more often. I would at least use the Lucas marine greasevif your not going to use what GT recommends.
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Sat Feb 28, 2015 7:27 am |
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WhoDat88
MMT 1000 Club
Joined: Thu May 23, 2013 4:24 pm Posts: 2912 Location: Thibodaux, La
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 Re: GTR lower unit grease?
Most good marine grease is blue. Make sure to spend money on your grease. That cheap shit breaks down way too fast
_________________ 1850 Predator Series Stick Steer Option 40HP Gatortail
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Sat Feb 28, 2015 7:40 am |
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Rstigler
MMT Member
Joined: Tue Jan 22, 2013 5:46 pm Posts: 44 Location: LOUISIANA
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 Re: GTR lower unit grease?
Ok guys. Sounds good.
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Sat Feb 28, 2015 7:47 am |
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Gameover
MMT 1000 Club
Joined: Tue Jan 03, 2012 9:06 am Posts: 3673 Location: Prarieville,LA
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 Re: GTR lower unit grease?
Hell even gtr doesn't use same grease, I've got some from them 3 times and was different brand each time  first ams, then somethjng viper, then schaffers
_________________ 1754 GTR Xtreme CC w/ Purple Kool-aid Additives
Never Forget our Fallen Soliders
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Sat Feb 28, 2015 8:03 am |
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msm8281
MMT Elite Member
Joined: Fri Oct 09, 2009 1:50 pm Posts: 9673 Location: New Iberia, La.
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 Re: GTR lower unit grease?
Yea but it ain't that cheap red grease. All three of those are high performance grease.
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Sat Feb 28, 2015 8:04 am |
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Old School
MMT 1000 Club
Joined: Thu Dec 17, 2009 9:44 pm Posts: 3067 Location: Earth
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 Re: GTR lower unit grease?
Last time i talked to somebody at Gt, they said it didn't matter and long as u put it often.
_________________ Gator tail
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Sat Feb 28, 2015 8:53 am |
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brstanle
MMT Addict
Joined: Sun Oct 05, 2014 12:27 am Posts: 659 Location: SETX/Houston
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 Re: GTR lower unit grease?
I looked up the numbers a while ago, and the AMS and Lucas were almost identical, as far as they're testing goes. Food for thought.
And that Schaeffer grease they're putting in the new engines isn't a marine grease, it's just a High Temp/ High Pres grease.
_________________ 35 GTR w/ 1860 GoDevil "Ironsides"
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Sat Feb 28, 2015 9:36 am |
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CypressCritter
MMT F.E.
Joined: Tue Aug 26, 2014 10:36 am Posts: 822 Location: Jefferson TX
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 Re: GTR lower unit grease?
The GTR people when called about not finding the Amsoil grease, they recommended Schaeffer 238 moly supreme, was around $70 for 12 tubes delivered to front door. Its a extreme pressure, waterproof high temp synthetic blend.
_________________ SEAARK FX 2472 CC Merc 150HP 4Stroke(CypressCadillac) Uncle J Custom - 19x54 CC Skiff w/40XD GTR
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Thu Mar 05, 2015 7:59 am |
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