Keeping Slicks from Leaking Air - Ford Muscle Forums : Ford Muscle Cars Tech Forum
 
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post #1 of 12 (permalink) Old 07-12-2008, 05:44 PM Thread Starter
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Keeping Slicks from Leaking Air

I had heard about coating the inside of slicks with dish detergent to keep them from losing air when used without tubes, so I tried it with my new 28x9 Hoosiers...

I went to Dollar General and puchased a bottle of Green Palmolive dish detergent and coated the insides of the tire with the stuff. I allowed it to dry for a couple days before having the tires mounted.

I then pumped them up to 15psi, and they sat in the garage for over a month before I could go to the track, and lost ZERO air pressure. I figured it might just be because they weren't rolling and wrinkling...

I went to the track Wednesday and gave the tires a workout. I checked the tires a little bit ago, and they have STILL not lost any air!

Guess it works... at least it's worked for these tires so far, anyway.
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post #2 of 12 (permalink) Old 07-12-2008, 06:14 PM
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Re: Keeping Slicks from Leaking Air

See, it works! Works best with M/T tires. Hoosiers don't leak anyway even without Dawn.

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post #3 of 12 (permalink) Old 07-13-2008, 04:18 PM
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Re: Keeping Slicks from Leaking Air

I think it's hit or miss on this. I did the same thing on my 26x8.5 ET drags and they go flat w/i two weeks everytime. I also let them try for several days prior to mounting them. Oh well, not a big deal to air them up..

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post #4 of 12 (permalink) Old 10-24-2008, 08:11 PM
 
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Re: Keeping Slicks from Leaking Air

31x10.5x15 hoosiers on 10 " Centerline rims

Put screws in per suguested patterns, 5 per side, but drilled new holes in rims.

Screws went in fine but actually pushed bead in and broke the seal rather than the screw penetrating the rubber on the tire. sat fine with 9 pounds until I ran down the strip, then the screws pushed the bead in and let the air out of the tire. Pulled the screws out and aired up the tire and its been fine since.

Take away; be sure to use a smaller drill to make a hole in the tire rubber which will allow the screw to penetrate the tire side wall rubber when they're insstalled.
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post #5 of 12 (permalink) Old 10-24-2008, 08:37 PM
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Re: Keeping Slicks from Leaking Air

I used nearly half a bottle of Dawn in my old 26x10x15's MT's and they would leak down anyways in a couple of days. In my new 26x10x15S stiff wall MT slicks I used almost half a bottle of Palmolive and they don't loose any air at all, even after having rim screw (with a dab of silicone) put in them.

Dennis

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post #6 of 12 (permalink) Old 10-29-2008, 07:46 AM
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Re: Keeping Slicks from Leaking Air

Ya - YMMV. In most cases it does seem to work. I don't use it (too lazy) and my new MTs hold air fine for about 100 passes or until I hit a really good 60' (like last weekend) then they just start oozing air. IMHO if you are bothered by it, just get some tubes. I just shoot air into them every week or so during the season and then set the rear on a wood block in the off season.




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post #7 of 12 (permalink) Old 10-29-2008, 09:59 AM
 
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Re: Keeping Slicks from Leaking Air

Tubes are the way to go. If you run tubes you need to screw the tires on too, so you don't cut the valve stem. I had a 26x10 hoosier that would rotate on the rim an 1/8" each pass with a 302 and a 4 speed. If your running a tubeless or tube slick just take a marker and draw a line from your rim onto your tire. Check it after each pass. You may think your wheels aren't rotating in the tire but I'll bet you they are.
Screwing the tires on a rim will improve the reaction time of the car. Go through the pits and look at how many winning "Stock" class cars run screwed in tires.

Jeff

Last edited by J Jackson; 10-31-2008 at 10:23 AM.
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post #8 of 12 (permalink) Old 10-30-2008, 09:44 AM
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Re: Keeping Slicks from Leaking Air

I paid $125 each for those new slots, I'm not drilling them yet. But if I ran tubes, I'd have to drill the rims. Another common "trick" for turning tires (tubeless) is to swap the tires side-for-side. They usually turn back a little then stop. That's what I do with mine. Most people run screws with or without tubes, but there's a lot of us that don't.




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post #9 of 12 (permalink) Old 10-30-2008, 11:44 AM
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Re: Keeping Slicks from Leaking Air

I run slicks with no tubes,no screws and have no problems.

From my experience Hoosiers don't leak (no dish soap) but Mickey Thompson's do no matter how much dish soap is used to coat the inside.

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post #10 of 12 (permalink) Old 10-31-2008, 10:31 AM
 
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Re: Keeping Slicks from Leaking Air

Quote:
Originally Posted by ckelly View Post
I paid $125 each for those new slots, I'm not drilling them yet. But if I ran tubes, I'd have to drill the rims. Another common "trick" for turning tires (tubeless) is to swap the tires side-for-side. They usually turn back a little then stop. That's what I do with mine. Most people run screws with or without tubes, but there's a lot of us that don't.
We run 100's of index races each season with 4 cars, two door cars and two dragsters, and it's all about consistency. The reason I say screwing the tire on a wheel helps the “car’s” reaction time is some times a 100th on the 60’ can be a 10th on or more the big end. When your running races where the win is by .05 you’ll do anything to make it consistent.
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post #11 of 12 (permalink) Old 11-02-2008, 07:23 PM
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Re: Keeping Slicks from Leaking Air

Quote:
Originally Posted by J Jackson View Post
We run 100's of index races each season with 4 cars, two door cars and two dragsters, and it's all about consistency. The reason I say screwing the tire on a wheel helps the “car’s” reaction time is some times a 100th on the 60’ can be a 10th on or more the big end. When your running races where the win is by .05 you’ll do anything to make it consistent.

.05? Jeez that's a mile! Or...should I say, that was a good bit of a cushion in todays' races. The larges margin of victory that I saw on any of my timeslips today was .021. Lost the 4th round because the opponent took the stripe by .0009. That was a good race. Oh and in the first round (I ran two classes) of box racing, I went red by -.0000. I have never seen that before. The slip only reads out to tent thousandths. The readout in the computer at the tower showed that I went red -.00008. Bummer!

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post #12 of 12 (permalink) Old 11-03-2008, 11:20 AM
 
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Re: Keeping Slicks from Leaking Air

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Originally Posted by mavman View Post
.05? Jeez that's a mile! Or...should I say, that was a good bit of a cushion in todays' races. The larges margin of victory that I saw on any of my timeslips today was .021. Lost the 4th round because the opponent took the stripe by .0009. That was a good race. Oh and in the first round (I ran two classes) of box racing, I went red by -.0000. I have never seen that before. The slip only reads out to tent thousandths. The readout in the computer at the tower showed that I went red -.00008. Bummer!

Need to put you in the seat of one of our cars if you can cut lights like that. Our TAD driver can keep in inside a .0025 light. When the sun goes down he has a consistant 0015 or better reaction. But that means the car reacts consistant. and that is my job as the Crew chief/engineer to make sure the car has a fast reaction time. He just has to worry about the lights.
Your right there are tons of races inside the .05 time, won 3 match races last weekend on a 003, 006 and 0015.
The point goes back to the Driver and car each have reaction times and one is no good without the other.
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