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The designation of wide versus close ratio affected the lowest gear ratio; [7] for example, the four-speed Muncie transmissions offered in General Motors performance vehicles included the M20 "wide ratio" transmission, which had a first gear ratio of 2.52 or 2.56:1, while the M21 and M22 "close ratio" transmissions had a first gear ratio of 2.20:1.
Allen Johnson's Mopar Dodge Avenger Pro Stock. Pro stock is a class of drag racing featuring "factory hot rods".The class is often described as "all motor", due to the cars not using any form of forced induction such as turbocharging or supercharging, or other enhancements, like nitrous oxide, along with regulations governing the modifications allowed to the engines and the types of bodies used.
It was equipped with five direct friction plates. These automatics had lower first- and second-gear ratios, allowing the lower-powered engines to provide better acceleration without sacrificing highway fuel economy. They were frequently used today in drag racing. Uses: 1975-1980 360 (2-bbl) 1984-1989 318 (4-bbl Police)
Two Top Fuel dragsters side by side during an NHRA event in 2012. Top Fuel is a type of drag racing whose dragsters are the quickest accelerating racing cars in the world and the fastest sanctioned category of drag racing, with the fastest competitors reaching speeds of 338.94 miles per hour (545.5 km/h) and finishing the 1,000 foot (304.8 m) runs in 3.641 seconds.
For every 3.23 revolutions of the smallest gear A, the largest gear B turns one revolution, or for every one revolution of the smallest gear A, the largest gear B turns 0.31 ( 1 / 3.23 ) revolution, a total reduction of about 1:3.23 (Gear Reduction Ratio (GRR) is the inverse of Gear Ratio (GR)).
Funny Car is a type of drag racing vehicle and a ... Funny Cars have a fixed gear ratio of 3.20:1 ... (a '66 Chevelle with a Hilborn-injected 427 and four-speed) ...
Super Comp (or Quick Rod) is the fastest of the heads-up Super classes (8.90 index).Super Comp is composed primarily of dragsters.Engine, chassis and body modifications are virtually unlimited, though all entries must adhere to NHRA or IHRA safety standards.
Gear sets may be replaced with closer ratios to keep the engine in the power band, or, on some cars that produce enough power and torque to four-gear transmissions similar to the ones used in NASCAR (such as the Andrews four-speed dog box that Vaughn Gittin Jr. ran in his 2016 Mustang [26]) with more open-ratio gears, this limits the number of ...