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ATF & Acetone --- homemade penetrant 19 Oct 2015 04:33 #695170

  • martin_csr
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When concocting the homemade penetrant, does it matter what automatic transmission fluid is used? I've read that Ford transmissions can get damaged by the wrong ATF, but I don't know if the same holds true for GM cars. I'm thinking that if the GM fluid attacks the ford transmission parts, it might be more aggressive towards stuck bolts than the ford atf stuff. ???
I already have some ford fluid, but I'll get the gm if it matters. Thanks.

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ATF & Acetone --- homemade penetrant 19 Oct 2015 05:20 #695172

  • z1kzonly
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Any would work Marty, All tranny fluids are similar high detergent.
But I have been using Marvels Mystery Oil & Lacquer thinner for 40 years. Just another variation!
I always have had a 5 Gal. pail of wash lacquer thinner in the garage. Only draw back is if you mix a lot and it sits the lacquer thinner will evaporate out. I also use this mix when I hone cylinders.
Another old timer fix years ago was to put some lacquer thinner into your tranny if it had a seal leak. The thinner would swell the seals
Livin in "CheektaVegas, NY
Still have a Kaw! 76 KZ900 Pro-Street.
Went thru 25 of these in 40 yrs.

And The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!

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ATF & Acetone --- homemade penetrant 19 Oct 2015 05:28 #695175

  • martin_csr
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Thanks. instead of making a large batch, I blended a small amount in an old Stabil container.
When doing the front forks, I use lacquer thinner as a rinse before doing the complete disassembly --- it makes the job less messy, especially if the fork oil is old old old.

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ATF & Acetone --- homemade penetrant 17 Nov 2015 18:07 #699163

  • car5car
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Some ATF can dissolve aluminum, some can blow up transmission. I have read a story about some car, it evaporated with all passengers and tires. Nothing was left , just some dark spot on pavement. So you better read label on ATF bottle. :laugh:
96 Yamaha Royal Star
82 Yamaha Virago 920

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ATF & Acetone --- homemade penetrant 29 Nov 2015 07:48 #701072

  • Old Rider
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I've thought about doing this what do you mix it at 50/50 ?
Old Dogs never Die.

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ATF & Acetone --- homemade penetrant 29 Nov 2015 10:06 #701090

  • DoctoRot
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yes 50/50 mix. I swear by the stuff now
-Vic
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'78 kz1000 LTD long term project

'80 kz750G project
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