Episode about a group who book passage on a space ship controlled by an AI, who turns out to be a human who can't leave his ship? No Limit Drag Racing 2.0 - Full Tuning Guide: Best Tunes For Each Race Now let's take our theoretical 6.0-liter Chevelle with its aforementioned 4.10:1 gears and put it on the street with a set of 28-inch tall street tires. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. If you run the same course a lot, and your car is just the way you bought it, youve probably found that the gears dont match the turn exits or the straights very well. @Zoot's answer on this question is very good to give a basic understanding on Tune settings. Say, for example,due to regs restrictions your peak horsepower is at 7400 and falls off fairly quickly, but the engine is fully capable of spinning to 9,000 w/o damage (though it ain't doin' much up there)? Let's burrow down a little deeper into our drag car example with this ratio package. If you try to apply these high forces at low speeds, you generate wheel spin. For example, a 4 speed manual trans with 1:1 will make more power than 3rd gear. If we have a 10-tooth pinion gear and a 41-tooth ring gear and do the math (41 / 10 = 4.10) that means for every revolution of the ring gear, the pinion will spin 4.1 times. Like we said, the realities of the situation may limit which of these choices you can make. Archimedes (287- 212 B.C.). I am redlining it. The math works out as 1.28 / 1.89 = 0.677, a 32.3-percent rpm-drop. In pure racing gearboxes, the gears are alternately connected to the mainshaft by stepped cogs, also known as dogs, which are designed to engage or grab the next gear very rapidly and firmly, an action too harsh for everyday driving. Also provides methods to calculate diesel engine systems for optimal performance, efficiency, and maintenance in marine, industrial, manufacturing, and automotive applications. Guide To Choosing The Best Gear Ratios For Your Racing Car Posted on Published: 20161227- Last updated: 20190517. Then, look at the graph. For more information, please see our This is one of GM's latest automatics, the 10L80.
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how to tune gear ratios in drag racing