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The Junior Dragster or Jr Dragster is a scaled-down version of the top fuel dragster. The cars were developed in New Zealand in 1988, with classes developed by the New Zealand Hot Rod Association. [1] The National Hot Rod Association in the USA began sanctioning the class in 1991, with the JDRL (Junior Drag Racing League). [2]
The police package (9C1) B-body cars featured a First Gear Block Out (FGBO) Plate on the transmission housing to prevent drivetrain damage. The shift point for first to second gear is about 43 MPH (69 km/h) while second to third gear shift point is about 83 MPH (134 km/h) assuming a 3.08:1 differential and a 5,500 RPM engine speed limit.
A bicycle with a 26-inch wheel, a 48-tooth chainring, and a cassette with gears ranging from 11 to 34 teeth has a lowest gear of 26 × 48 / 34 = 37 gear inches and a highest gear of 26 × 48 / 11 = 113 gear inches. For bicycles with 700c wheels, some cyclists quote gear inches based on a nominal wheel diameter of 27 inches, corresponding to the ...
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.
Crawl ratio is a term used in the automotive world to describe the highest gear ratio that a vehicle is capable of. Note that gear ratio, also known as speed ratio, of a gear train is defined as the ratio of the angular velocity of the input gear to the angular velocity of the output gear, and thus a higher gear ratio implies a larger speed reduction, i.e. the input speed is reduced more at ...
2.2857 1.0000 3 2.2857 1.5119 1.5119 S 2 2 2 Torque Converter: Hydraulic 3HP 20: TBD 1967 – Longitudinal: TBD 1.0000 3 TBD TBD S 2 2 2 Torque Converter: Hydraulic 3HP 22: TBD 1973 – 1990 Longitudinal: 2.7331 1.0000 3 2.7331 1.6532 1.6532 S 2 3 2 Torque Converter: Hydraulic 3HP 22: 30 kg⋅m (217 lb⋅ft) 1973 – 1990 Longitudinal: 2.4795 1 ...
The TREMEC TR-6070 seven-speed RWD manual transmission features seven forward speeds and one reverse speed. [1] It is manufactured by TREMEC Corporation (formerly Transmission Technologies Corporation). The TR-6070 is based on the TREMEC TR-6060 six-speed transmission. A triple overdrive gear was added to improve fuel economy and lower emissions.
A later version was designed for the Quad 4 High-Output engine, using a 3.50/2.05 1st/2nd, 1.38 3rd, 1.03:1 4th, .80:1 5th, and 3.94:1 final drive. [ citation needed ] The Getrag 282 used in Quad 4-equipped 1990 and 1991 Pontiac Grand Prix and Oldsmobile Cutlass Supremes is rumored to use a 3.77/2.19 1st/2nd gear while retaining the 3.61:1 ...