dbreese Posted November 23, 2009 Share Posted November 23, 2009 Went to the track Fri night for a little t&t and wouldn't you know it I picked up something that caused my drag radial to leak. Noticed it when I got home (10 psi). Flat the next morning. Questions is can you repair a d/r with a patch or will I have to get a new tire? TIA David Quote Link to comment Share on other sites More sharing options...
72MC Posted November 23, 2009 Share Posted November 23, 2009 David, you could always patch and tube it. If you run tubes though, make sure the tire isn't spinning around the rim at low pressures. I think you already know the results of that situation, thus the reason for rim studs. - Dave Quote Link to comment Share on other sites More sharing options...
CrazyDavey Posted November 23, 2009 Share Posted November 23, 2009 ...rim screws....Summit carries a template.. Quote Link to comment Share on other sites More sharing options...
kc8oye Posted November 24, 2009 Share Posted November 24, 2009 i run full drag slicks @ 15psi and haven't had any trouble with them spinning yet.. but then i only have 300hp Quote Link to comment Share on other sites More sharing options...
wallaby Posted November 24, 2009 Share Posted November 24, 2009 Actualy that's a pretty good question. Normally I'd throw one of those "rope" plugs in a tire and not give it a second thought (unless the tire is thin like a 2-ply or we're talking about a sidewall)....but I don't know what the protocol is on repairing a drag tire. I bet you could contact the tire maker and get their suggestion, but you know they are going to err on the side of safety and either tell you to replace it or put a tube inside. Quote Link to comment Share on other sites More sharing options...
71monteme Posted November 24, 2009 Share Posted November 24, 2009 it depends on where the leak is, on the tread- plug it and enjoy, on the side wall- replace. Quote Link to comment Share on other sites More sharing options...
Andy's Auto Posted November 26, 2009 Share Posted November 26, 2009 Dave, I have cold patched dozens of drag radials with no issues. But if the hole is within 1/2 of the sidwall, you HAVE to tube it. Andy Quote Link to comment Share on other sites More sharing options...
dbreese Posted November 26, 2009 Author Share Posted November 26, 2009 Thanks for all the good info. I'll patch it and let'er eat!! David Quote Link to comment Share on other sites More sharing options...
CrazyDavey Posted November 26, 2009 Share Posted November 26, 2009 Thanks for all the good info. I'll patch it and let'er eat!! David Dave, Dave, Dave.....110+....put tubes in and be safe......I wouldn't trust my life to a patch....I just saw a car at Fontana lose air in the right rear slick at the lights, it was pretty scary.... Quote Link to comment Share on other sites More sharing options...
Chevyss Posted November 26, 2009 Share Posted November 26, 2009 Dave. Safety first. Quote Link to comment Share on other sites More sharing options...
wallaby Posted November 27, 2009 Share Posted November 27, 2009 How do you find a leak in a drag tire? You fill it with air then spin it in a trough of water. Quote Link to comment Share on other sites More sharing options...
dbreese Posted November 27, 2009 Author Share Posted November 27, 2009 I guess I should clarify, these are M/T Street drag radials not a full on radial slick. Construction of the tire carcuss is much like a street radial with steel belts but with a soft tread compound to aid traction. Trust me if I had full on slicks bias or radial it would have a tube. Wallaby the leak should be easy to find. Pump the tire up and take a sponge with a little soapy water slowly wipe around the tire until ya see it bubble. BTW more parts have arrived for the engine build pistons and crank. I'll try to get by and shoot some pic's. I'm going to be off for around 2 weeks at Christmas so I hope to start on the build. David Quote Link to comment Share on other sites More sharing options...
TommyP Posted November 30, 2009 Share Posted November 30, 2009 Scratch... Scratch...Scratch... That's the sound of me wringing my chapped hands together in anticipation of your new engine build. Quote Link to comment Share on other sites More sharing options...
CrazyDavey Posted November 30, 2009 Share Posted November 30, 2009 Scratch... Scratch...Scratch... That's the sound of me wringing my chapped hands together in anticipation of your new engine build. Tommy I think that last youtube I posted (the pinks one) is a 421 sm blk Monte....11.57.... Quote Link to comment Share on other sites More sharing options...
dbreese Posted December 1, 2009 Author Share Posted December 1, 2009 I found the leak. Very small pin hole near the center of the tread. I have a neighbor who owns a tire business so I'm going to have him internally patch it. David Quote Link to comment Share on other sites More sharing options...
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