Hoosier drag racing slicks are run by a good percentage of NHRA and IHRA sportsman racers and the bias-ply and radial construction tires are offered in multiple compounds with tread widths ranging from 8 to17 inches. The Msd RPM graph showed a much smoother run. Last weekend i tried 6 psi in the drag car worked good. 1- car will be more stable. I dont no y but i always did. How much does your car weigh? You will definitely be able to run a lot more air pressure in a DOT tire then you ever would in a slick, but I’m just getting into running slicks myself so I’ll let some of the veterans handle that specific answer. Mickey Thompson strongly suggests investing in a good tire pressure gauge and that you keep accurate and complete records of each pass. I have never even tried more air pressure. Run as much air pressure as possible in a drag radial, which is normally in the 18- to 22-psi range, much higher than its bias-ply slick counterpart at 12 psi. The narrower the rim, the less inflation pressure you need,” Bickel said. Updated 8/15/17. Id like to take a informal poll, so that guys can have a reference/ starting point for what air pressure to fill their slicks with. I tried 12 and 13 psi before, didn't like the unstable side to side shake on the big end. Tomorrow at zmax I'll be running 8 psi. I run 28X10 Hoosier slicks, the regular compound. I usually run 10-11 psi its normal for slicks to sway towards the top end big difference is when you know you don't have enough or too much is when you get reaction spin. Top-Performance Drag Slicks. “The wider the rim, the more tire inflation pressure you need. 2- it will be faster. Consult the Mickey Thompson tech bulletin #3 for the appropriate answer. The inflation pressure you should use for slicks depends on vehicle weight, tire type (radial or bias ply), and wheel width, among other things. I'm close to the same power level as you NA. Tire size and vehicle weight are important considerations when determining air pressure. I also called Calvert and changed a few things with the bars and shocks. Most racers will end up with 0.5 - 2 psi more air pressure in a Mickey Thompson tire. Actual optimum air pressure may vary significantly. I been 1.4 60ft with as much as 16psi before. If you have been running another brand of slick, we recommend you start with the same air pressure you were running. One not so good thing was I lost 1.5 mph I think due to the lower tire pressure. Then, go up in 0.5 psi increments until you get the best performance. I will b starting at 16psi. Hoosier drag racing slicks are run by a good percentage of NHRA and IHRA sportsman racers and the bias-ply and radial construction tires are offered in multiple compounds with tread widths ranging from 8 to17 inches. Hoosier tires are well-known across the country for their success in drag racing. Tips for Adjusting Rear Tire Pressure. That depends on quite a few variables. How much air do you run in your Slicks? How much air pressure should I run in my Mickey Thompson slicks? Hoosier has added the new 29.5/10.5S-15 to its already impressive lineup of drag racing slicks. Top-Performance Drag Slicks. Reducing air pressure in your slicks has improved traction, but oftentimes, the trade-off is reduced stability at speed (this is not usually an issue with a radial tire). So when i get this new set i will b trying to run as much air as possible. The low pressure not only allows the tire to react at the starting line, but at speed, the tire can flex, and make the car seem to … The first is whether you are using a DOT street tire or a race slick. This is a general site search and does not include list archives.