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#171712 - 04/20/09 05:34 PM How to inflate a tire with wd-40
GarlyDog Offline
τΏτ
Old Hand

Registered: 04/05/07
Posts: 776
Loc: The People's Republic of IL
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#171714 - 04/20/09 06:13 PM Re: How to inflate a tire with wd-40 [Re: GarlyDog]
Grouch Offline
Enthusiast

Registered: 07/02/08
Posts: 395
Loc: Ohio
I've heard of others using carb cleaner to do the same thing.

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#171718 - 04/20/09 07:42 PM Re: How to inflate a tire with wd-40 [Re: Grouch]
yelp Offline
Member

Registered: 06/04/08
Posts: 168
Loc: Colorado
Originally Posted By: GarlyDog


Originally Posted By: Grouch
I've heard of others using carb cleaner to do the same thing.


And butane. RE: On your own: seconded.
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#171734 - 04/20/09 09:49 PM Re: How to inflate a tire with wd-40 [Re: yelp]
Paul810 Offline
Veteran

Registered: 03/02/03
Posts: 1424
Loc: NJ, USA
Just to clarify, it doesn't re-inflate the tire. It only re-beads it. You still have to inflate it to the proper tire pressure.

We used to do this all the time off-roading. When off-roading you often have to drop the tire pressure way down to give you more traction. Unfortunately, doing this makes it much more likely that the tire will release itself from the edge of the rim. This is why a lot of off-roaders run beadlock wheels, which allow you to run very low tire pressure without blowing the bead.

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#171735 - 04/20/09 09:52 PM Re: How to inflate a tire with wd-40 [Re: yelp]
scafool Offline
Pooh-Bah

Registered: 12/18/08
Posts: 1534
Loc: Muskoka
It gave new meaning to the phrase, "Blowing up a tire." for me.
Nice trick.
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#171740 - 04/20/09 10:50 PM Re: How to inflate a tire with wd-40 [Re: scafool]
RayW Offline
Addict

Registered: 12/06/01
Posts: 539
Loc: Orlando, FL
Don't know if the WD-40 would work any more, a few years ago WD-40 changed the propellant from propane to CO2. I know that there is still kerosene in it but i don't know if it would still work the same or not.

I have heard of using spray starting fluid to re-seat tires. Never been dumb enough to try it.

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#171742 - 04/20/09 10:57 PM Re: How to inflate a tire with wd-40 [Re: RayW]
IzzyJG99 Offline
Carpal Tunnel

Registered: 02/05/05
Posts: 4986
Back in the day when I had a mini-bike it had split rim tubeless tires, so needless to say after a healthy amount of tread wear you got leaks.

Now being the idiot kid I was at the time I thought "Gas expands and so does stuff when it ignites!" I mentioned this "bright idea" later to a friend who had a few dirt bikes and had a Father that was a mechanic. He said "Yeah, they do that. You can do that, too."

So...anytime my mini-bikes tires would begin to get dodgy and soft I would peel back the tire and squirt in WD-40 and then ignite it and it would keep it full for about three days.

I played with fire far, far too much as a younger man. Looking back at how many hours I spent riding very poorly built and poorly maintained vehicle with combustible fuel (which I added "Octane Booster" to) next to a piping hot 10HP engine..I am surprised I didn't end up a statistic.

Would I do it all over again? Hell yeah.
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#171759 - 04/21/09 03:40 AM Re: How to inflate a tire with wd-40 [Re: IzzyJG99]
2005RedTJ Offline
Addict

Registered: 01/07/09
Posts: 470
Loc: Birmingham, Alabama
What Paul810 said. We use carb cleaner spray to do it with. I run 12.5" wide tires on 7" wide rims (not recommended by tire or rim manufacturers), this keeps the tire on the bead at lower pressures. I've run mine offroad at 5 psi without losing a bead.

Also, if you have trouble seating a bead you can hook a ratchet strap around the circumference of the tire while airing it up. Just remember to remove it once the bead is set, before you air it up very much.

And be careful when attempting any of these things. Air pressure can do very bad things if you're not careful.

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#171769 - 04/21/09 12:59 PM Re: How to inflate a tire with wd-40 [Re: 2005RedTJ]
GarlyDog Offline
τΏτ
Old Hand

Registered: 04/05/07
Posts: 776
Loc: The People's Republic of IL
I am curious to know why it works. I guess the "whoosh" creates/is a pressure differential?
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#171775 - 04/21/09 02:44 PM Re: How to inflate a tire with wd-40 [Re: GarlyDog]
IzzyJG99 Offline
Carpal Tunnel

Registered: 02/05/05
Posts: 4986
Originally Posted By: GarlyDog
I am curious to know why it works. I guess the "whoosh" creates/is a pressure differential?


It's the same affect as an explosion. For something to explode it needs expansion under pressure, for lack of a better term. The fluid expands as it's burned to gasses inside of the tube. Viola.

EDIT: The guy at Geekologie.com must be a fan of ETS cause he just posted this.

http://www.geekologie.com/2009/04/post_77.php
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