R2 versions have been used in the f 150 econoline van full size bronco and the cougarthunderbird with the.ĥ speed club spec 2441 lb 5 speed mx 5 touring 2474 lb 6 speed manual sport grand touring 2498 lb 6 speed sport auto 2527 lb. Lets take a look at gear ratios and final drive options. Unitary steel body steeland plastic panels. Two variants light duty r1 and medium duty r2 were mader1 transmissions have been used in the ford ranger explorer aerostar and bronco ii.
The engine is connected to the gearbox the gearbox via the tail shaft to the differential and the differential via the axles to the wheels. Gear ratios 6 speed manual 1st 381 5th 100. Known exceptions include australia europe where the 5spd nb continued with the 4101.īeefing up this gearbox for its bigger job involved shot peening of internal gearwheels along with a fourth gear ratio.Īlong this drive train there are gears which change the rotation speed of the next component. The m5od mazda 5 speed with over drive is a line of manual transmissions produced by mazda and used in mazda and ford cars and trucks. Mazda mx 5 gear and differentials ratios and tyre sizes.
Gear ratios 7 ring gear the 18 cars started out in the na from around 1994 all equipped with a 4101 diff ratio and that ran on the both the manual and automatic gearboxes. more power, engine swap, etc etc obviously adjust that equation, but for a "stockish" 1.8, the 4.3 will be a good choice.Transmission transmission 5 speed manual 6 speed manual 6 speed automatic. with a 4.3 and stock redline (7000?), you can run to 110mph in 4th gear, which is just about the max you'll get to at MSRH on the back straight with your laptimes and power levels. With the Miata, you're not quite rev limited at the same point and your 5th gear is shorter, so you can run a shorter diff and still be OK for most cases. so I was faster staying with the taller diff and never shifting into 5th at MSRH. The issue you run into is *some* tracks have corners at XX speed, and some at YY speed, so you sometimes find yourself in the wrong gear or having to shift in a weird spot.įor my 240SX, anything shorter than the stock 4.1 makes me shift into 5th gear even at MSRH, and the 5th with either the 4.3 or 4.6 is taller than the stock 4.1in 4th gear. adjust your gear ratios to get more bangs per mile and you go faster. Quite simplified, it's all about the "bangs per mile". your car accelerates faster in 1st gear than it does in 4th gear because of the ratios. As others have mentioned, a shorter rear diff will put more torque to the ground- you're not adjusting horsepower, you're adjusting torque.
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