Adding ATF to gas
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=6692
Printed Date: January-17-2025 at 8:09pm
Topic: Adding ATF to gas
Posted By: 1998Nautique
Subject: Adding ATF to gas
Date Posted: May-15-2007 at 11:17pm
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A friend told me he adds some ATF to his gas, does this sound right. Or should you add it to your oil. Or is it a bad idea?
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Replies:
Posted By: p/allen
Date Posted: May-15-2007 at 11:22pm
For what purpose?
Pat
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Pat
http://i175.photobucket.com/albums/w146/72ccfan/100_5977-1.jpg - My 72 Skier
Rock River
Dixon,ILL.
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Posted By: 1998Nautique
Date Posted: May-15-2007 at 11:29pm
Posted By: p/allen
Date Posted: May-15-2007 at 11:36pm
I have never heard of this . I dont see any reson for it unless it has been sitting for many years . Even then I would use regular oil inside the spark plug holes with the plugs out .
Pat
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Pat
http://i175.photobucket.com/albums/w146/72ccfan/100_5977-1.jpg - My 72 Skier
Rock River
Dixon,ILL.
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Posted By: 8122pbrainard
Date Posted: May-16-2007 at 4:49am
It would be for top cylinder lube. Same principal as adding Seafoam, Rislone or Marvel Mystery. I rebuilt my little flat head 4 in my Atom then put it in storage for about 10 years before it went in the boat. On start up I had a stuck valve and remembering the Marvel oil the old mechanic used at the marina I went and got some. The stuck valve was free and the engine runs great. I still add it to the gas occasionally. I do use it as a fogging oil. ATF is a high detergent oil that will keep the combustion chamber clean.
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/diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete
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Posted By: eric lavine
Date Posted: May-16-2007 at 7:32am
it is high dtetergent, and an old timer once told me to add atf to the crankcase a couple of days before an oil change because of the high detergents. other than that who knows?
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"the things you own will start to own you"
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Posted By: GottaSki
Date Posted: May-16-2007 at 9:08am
Snake oil from the days of splash lubrication.
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole
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Posted By: quinner
Date Posted: May-16-2007 at 9:22am
Never heard of adding ATF to gas but have heard the same as Eric about adding it to the crankcase oil prior to a change.
Used to use a lead additive in the gas of my 77' and 80' SN's as I was told the older original motors needed it to lubricate the top end.
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http://www.correctcraftfan.com/diaries/details.asp?ID=1143" rel="nofollow - Mi Bowt
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Posted By: 87BFN owner
Date Posted: May-16-2007 at 9:27pm
I knew a guy that used to drain the old oil, fill it back up with a new filter and ATF then run it five hundred miles then drain. Replace filter with another new one and add fresh oil.
Never heard of ATF in the gas though.
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Posted By: john33617
Date Posted: May-16-2007 at 9:45pm
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I burn 30% waste crankcase oil , 70% crushed soy beans in my truck , total cost about 1.50 a gallon , plus it smells great
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Posted By: Jim_In_Houston
Date Posted: May-16-2007 at 10:06pm
I burn the neighbor's gas in my vehicles so what ever he uses I use. I only siphon a little each night so he doesn't miss it.
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Happy owner of a '66 and a '68 Mustang
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Posted By: jbear
Date Posted: May-16-2007 at 11:30pm
Man am I glad J_I_H is back on here. Where else can you get good tips, info, and J_I_H humor!?
john
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"Loud pipes save lives"
AdamT sez "I'm Canadian and a beaver lover myself"...
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Posted By: nuttyskier2002
Date Posted: May-17-2007 at 3:14am
Many old timers use (used) ATF as a top engine cleaner. I've seen several mechanics (a few who I really trust) just pour it (slowly) right through the top of the carb while the engine was running. I guess it would serve the same purpose when mixed with gasoline. Not sure if I'd use it at every fill up though.
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95 Malibu Echelon w/Mercruiser 350 Magnum Skier
Former boats:
88 Ski Centurion Tru Trac II
59 Chris Craft Capri (woody)
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Posted By: rudderdad
Date Posted: May-17-2007 at 8:52am
Jim you know that siphon hose is referred to as an Arkansas credit card. In diesel engines it is good practice to add atf to fuel at every oil change to help reduce cylinder carbon.
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rudderdad
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Posted By: racintj
Date Posted: May-17-2007 at 9:10am
Hogwash! That's what it is. I don't necessarily disagree with any of the ideas that ATF may help, but I wouldn't do it. Change your oil regularly (using quality oil), run good gas (fresh or use Stabil), and run it WOT quite often. The best known running engines anywhere are the post office and UPS. They stay running all day long, every day. No additives, and most run over 500,000 before rebuild.
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Every day above ground is a Good day.
Lakeland, FL
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