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#1
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dexron 2
they say i can use dexron 2 atf
is there a differance between dexron 2 and dexron 3 to use for your power trim fluid 150 mercury out board 1988
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love to fish 
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#2
07-27-2014, 04:52 PM
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I use 10W30 motor oil
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#3
07-27-2014, 05:13 PM
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DON'T use ATF of any flavor.... 10-30 is the way to go.... ATF can do TERRIBLE things when mixed with water..... It doesn't always happen but you can end up with the thickest nastiest pink goop ever that is a nightmare to clean out where with motor oil if some water enters the system all you get is milky oil... I would flush out the atf and run motor oil myself
to answer your question each generation of dexron atf superseded the previous generations stating that it was safe to use in applications that called for the earlier version..... Since it was never speced for power trim systems one couldn't say for sure but it SHOULD work the same and be compatible with the same materials....
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#4
07-28-2014, 02:33 AM
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I've always used hydraulic oil... (the type you use in hydraulic jacks) Never had a problem with it, but now that I know about 10w-30 I think I'll start using that. (cheaper by far)
__________________
1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer 1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer 1996 V21 w/1993 200HP Mercury on a Shoreline Trailer All towed by a 5.7L Hemi Durango. If God didn't have a purpose for us we wouldn't be here, so Live simply, Love generously, Care deeply, Speak kindly. (Leave the rest to God)  Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless. Last edited by Destroyer; 07-31-2014 at 08:32 AM.
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#5
07-28-2014, 11:39 AM
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10 30 really in an out board power trim motor?
how would i get the atf fluid out
__________________
love to fish
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#6
07-28-2014, 01:10 PM
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my problem is that i dont like to change anything that i have been using but when i come to this site i know with confidence that my wellcraft brothers will never steer me wrong so i am going to try 10w 30 if i can figure out how to reove the atf oil thats in there not cause i think if there is any left in there it would contaminate the oil that i put in i winterize the motor the same way fpr 18 years and do the same thing never change if it works why change
__________________
love to fish
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#7
07-30-2014, 07:10 PM
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I've used ATF with no problems for years. Just do not use dex vi in it. Dex/merc fluid is fine. 5w30 is a much closer match to ATF/hydraulic oil when you look at the viscosity ratings of them.
__________________
2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#8
08-02-2014, 06:25 AM
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10w30 is very thick compared to atf fluid but if you guys use it than im sure it must be good to use 5w30 is closer i think
__________________
love to fish
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#9
08-02-2014, 12:53 PM
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Quote:
I would have concerns using motor oil in a system that never gets hot enough to remove the water in suspension. Just my $.02
__________________
-Steve "Oar Chasm!" 1977 Wellcraft V20 Step OB cuddy. 1971 1350 Merc "Any damn fool can navigate the world sober. It takes a really good sailor to do it drunk." - Sir Francis Chichester
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