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Message started by Blinky-FSO on 01/16/14 at 06:47:04

Title: Shared Tank Cleaning Link
Post by Blinky-FSO on 01/16/14 at 06:47:04

Dave,
Hope you don't mind but I shared your write up on tank cleaning in the tech section with a guy on the Volusia forum. He picked up a 72 Suzuki 125 and was thinking about using hydrochloric acid. Nice write up and thanks.

Good hunting

Title: Re: Shared Tank Cleaning Link
Post by Dave on 01/16/14 at 07:45:16

I don't mind you sharing that Tank Cleaning link. If anyone can benefit from what I learned through trial and error......it's OK with me!

The Evaporust is great as it will not hurt paint, will not erode the steel, will not hurt our skin or the stuff in your garage, and it only goes after the rust.

Phosporic acid is a far better choice if you need to do any acid work. Some acids can make the steel brittle, and Phosphoric acid won't do that.

Title: Re: Shared Tank Cleaning Link
Post by justin_o_guy2 on 01/16/14 at 11:31:01

Phosphoric turns iron oxide into iron phosphate, It only works on a single layer of rust. If the rust is a flake, sitting in a pit, the upper level will react & shield the lower part from the acid.So, if the rust is more developed than a single layer, gotsta rattle something around in there to beat it down, then slosh the juice in it,.It Used to be called Ospho ( dont get the gel)but now, the name is changed, same jug,. same stuff & LO & Be Hold,, it actually costs LESS! Get it at Kelley Moore for around $6.00 a quart. REad the destructions, slosh it, dump it, let it sit, the rinse, but I cant remember how many hours,

Title: Re: Shared Tank Cleaning Link
Post by Dave on 01/17/14 at 03:47:20

In my new approach....I only use the Phosphoric acid to remove the flash rust that occurs after using hot water to rinse out the Evaporust and flush all the crud out. It takes several flushings with water before the water comes out clean and all the little bits are gone. Using hot water is effective - but no matter how fast you get the tank dried there will be a small trace of a yellow rust tinge on the metal. I now flush with the Phosporic Acid....then use E85 from a gas station to remove the Phosporic Acid. I used to use Acetone - but that stuff is really hard on paint! The ethanol in the E85 will remove the Phosporic acid and doesn't hurt the paint.

Title: Re: Shared Tank Cleaning Link
Post by Art Webb on 01/22/14 at 00:43:20

another product that works well is The Works toilet bowl cleaner, though it will hurt paint

one fellow I know did this:
put a buch of nuts in the gas tanks and sealed it
put it in the clothes dryer wrapped in a blanket (use no heat cycle and DON'T do it when your SO is home)
then hit the tank with The Works, then rinse several times, then use the ospho

Title: Re: Shared Tank Cleaning Link
Post by ToesNose on 01/22/14 at 06:29:08

That's a good one Art Webb, especially the advise of doing it with your SO not home! :D

Title: Re: Shared Tank Cleaning Link
Post by Dave on 01/22/14 at 07:15:35

6259534578594553360 wrote:

That's a good one Art Webb, especially the advise of doing it with your SO not home! :D

Reminds me of the time I snuck a transmission mount into the oven to cure some epoxy rubber I had added (while the wife was away). At the time I didn't have a heated garage and the rubber epoxy would not cure in the cold garage. The factory mount was a bit too loose and would go "bump,bump" when the transmission shifted. Filling up the open areas in the mount snugged it up a bit and solved that problem and made the noise go away.....anyhow.....I had put the mount in the oven at a low temperature and turned the oven off after it reached 200 degrees.....I figured the cool down period was just long enough to cure the rubber well.

My wife came home, and proceeded to cook some Tofu in the oven.....and never even noticed the transmission mount or the strange rubber smell in the house.....and she never commented about the Tofu tasting strange. I guess she just shoved the tray into the oven and it pushed the mount to the back of the oven.....and she never saw it. :o

Title: Re: Shared Tank Cleaning Link
Post by verslagen1 on 01/22/14 at 07:30:28

tofu probably tastes better with a bit of ou du rubber.

Title: Re: Shared Tank Cleaning Link
Post by ToesNose on 01/22/14 at 08:12:00

Eck tofu.....I'll take the rubber ;D