23 rear ratio. Simply change the pinion (the small metal gear on the motor) or the spur gear (the large plastic gear) for a different size. A good 4WD with manual transmission should have a crawl ratio of 40:1 or better, with an automatic transmission 30:1 or better. I need to get my 5 or 6oz sinker off the bottom an in as fast as possible. i am sure their is some complicated formula for figuring these things out, but from experiance i can tell you that with a 3. 3 times for every 360-degree turn of the reel handle. Definition: gear ratio n. Hope that helps MrC. " The next step would be to look at the tag on the rear end to see if the ratio matches the code on the door tag --if the tag is still attached to one of the (10) studs that holds the 3rd member to the rear end housing. But the Powerglide was typicly used with around a 3. My goal is 0. But for road racing, if there are no standing starts or pit stops, you can be less concerned with a low first gear and instead make it higher and possibly useable on the course. The new 6 speed transmission is geared to provide excellent towing and low end torque as well as good fuel mileage. 41/11 is 3. As the back-up plan if the ratio tag is gone (for whatever reason), look on the outside edge of the ring gear. I like the way the slower ratio get the bait down deep and keeps it down. It’s not mentioned a lot about this reel but it has a Loud bait out alarm on this model. A commonly overlooked component of a vehicle’s drivetrain that has a large effect on fuel economy is rear end gearing. 92 gear ratios IP: this drops my milage to about 11, but I tow in hilly terrain and make no effort to get good milage. On 16 December 2009, Juan Gil Gutierrez in France wrote: >>"As I had a 4. 7 V8, and VM 2. Gear Ratio. Your only alternative is to run a gear that is optimal for 1/4 mile and deal with it while 1/8 mile racing. 3 times for every 360-degree turn of the reel handle. My favorite combo for a 343, 360, 390 or a 401 is the 3:15 rear gear with the wide ratio 2. Selecting a rearend gear ratio (ring & pinion set) to provide the desired highway cruising speed, 60—65 MPH, for a modern hot rod. 55 set can also do the job for street/daily Mustangs; For manual transmission Mustangs 4. the pinion. If you have an overdrive tranny then you can calculate the number by dividing the overdrive percentage into the final number. Example: If your max Torque is at 3300 RPM use 3300 for the RPM. What is a good ratio for a '66 short step with a 6 cylinder 250 if you want to ease around at 55 mph and not pull any loads?. 12 by your Jeeps tire diameter (Example:. Utilizing the 2. yeah we just run the same gear. The longer handle and lower gear ratio makes cranking those long billed deep divers a much easier task. Hot dawg!! That 1. Choosing gear ratio for a Muncie I'm in fourth by 20 mph and can take it down to about 13 mph in 4th gear. The ST-10 with 2. In theory, ratio is ratio regardless of the gear combination. 28/1 M-20 is the odd man out 2. Makes a good crank bait reel. You will be surprised at how different the car feels when changing gear ratios. Chart 4 shows acceleration in fourth gear for a 405 hp car with a 3. It's true that you can speed up a low gear ratio reel by cranking fast and you can slow down a high gear ratio reel by cranking slow. Rear gears can also affect things like gas mileage, automatic transmission shift points, RPM when cruising down the highway and what gear you’re in when crossing the 1/4 mile traps at the dragstrip. 10 and higher rearend gear ratios falling in the 4-Series. Example: If your max HP is at 6300 RPM use 6300 for the RPM. 27 transmission first gear ratio multiplies providing a 10. Spinner/Buzzbait - Baitcasting reel, 7:1 (or higher) gear ratio, 7' medium/heavy action rod rated for 10 to 20lb test. For example, if you have Ultegra chainset, the two ends of the scale would be an 11-32 and an 11-23. If a gear ratio is indicated as "4:11", does that mean for every 4 revolutions of the wheel the drive shaft turns 11 times? I saw this on an earlier post but can't find it anymore. Tire size table. Typical low gear ratios for fishing reels are 3. The colors represent ideal RPM's at highway speeds (65). 0 (or something with comparable power) it would serve my use just fine. Mild cams don't need as much gear, you can run a 3. 10 gears have a travel of 21. Determine your engine’s RPM based on the transmission gear ratio, tire height, MPH and the ratio of your ring gear and pinion gear. The thing these days is that "torque" ratio gears (anything larger than 18:1) is not needed because we have neodymium magnet motors. However short ratio gear boxes if designed properly could do wonders on a NA car on a strip. 55 set can also do the job for street/daily Mustangs; For manual transmission Mustangs 4. Thus, if the drive gear has sixty teeth and the pinion gear has twelve teeth, the gear ratio is 5:1, meaning that a single turn of the reel handle will cause the spool or rotor to turn five times. SPEED CALCULATIONS If the gear ratio is known it is easy to calculate a theoretical top speed along with propeller efficiency if the actual boat speed has been measured. hello everyone, im looking to change up the gear ratio in my nova's 10 bolt (8. The optimum gear ratio for fishing reels accounts for power and the recovery rate of fishing line. The most popular gear ratios are pretty close to a 55 inch, which just seems to feel best for most people. 3:1 means the spool rotates 6. If you think you want something different, check out your local bike shop and tell them Pure Fix sent you! Peace, Love & Soul, Pure Fix. 75 second, 1. Or even if you have really aggressive fish you can speed up the topwaters. Many racers will have lower FDR than shown above but the above is a good starting point. gear synonyms, gear pronunciation, gear translation, English dictionary definition of gear. Need help with reel size and gear ratio. 28/1 M-20 is the odd man out 2. Yes,I believe 3. Fast way to determine Gear Ratio and Speed. hey everyone, im at the diff stage of building my XD i have a 351c and a c10 auto and my 9" currently has 2. Gearing & gear ratios. 08 for top end driving. 67 inches per drive shaft rotation. The inverse is true; when the gear ratio is below 3, the bike loses on the acceleration but gains top speed. This is the case if torque is shown in Newton-Meters, and is an artifact of the way the calculations work with this different unit system. 12 by your Jeeps tire diameter (Example:. It represents the effective size of your rear wheel: the real size × the gear ratio. I have been noticing that my gears seam to be having a difficult time, and it is really affecting the performance of my car. Added March 2014-Did a couple of trips this winter with 3 sleds, extra fuel cans, all our gear in cold temps and in the snow. I'm guessing it has to do with the RPMs if I use a smaller tire my RPMs will be higher and if I use a biger tire my RPMs will be lower. Just about any ratio you could want is available, from the 2. CarTest 2000 is particularly useful because it includes an iterative gear ratio optimization routine. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Gear ratios in reels are simply an expression of how many times the reel spool turns each time you turn the reel handle. Power is transmitted from the transmission to rear end 1:1 in high gear. If you have an early 5th gear, the the 4. So if you the engine was turning 2000 rpm your drive shaft would be turning 519 rpm. Say your trans high gear is 1 to 1. If the diameter of one gear is 3 times bigger than the other gear, you would get a 3/1 (or 1/3) gearing ratio. The ratio is commonly used by lenders to ascertain whether a prospective borrower can afford to take on any additional debt. Next up we have the worm gear made of two parts: the pinion and the worm gear. The best gear ratio you can climb on is the one that your ego can handle the best. Hope that helps MrC. By going to 4 Blade, you can drop Dia down to 15" if that will help the Strut situation. With new cutting-edge, high gear ratio reels like Abu Garcia's ultra-fast Revo Rocket hitting the market, it's a good time to review how to choose the best ratio for your style of fishing. To find out what the final gear ratio is, you must multiply the trans ratio by the rearend ratio. This is a pretty good gear arrangement. ID Number Body Style/Option Gear Ratio. 3 Intertrashional Diesel in it with an automatic C6 trans. 17 The next ratio is gear 3 to gear 2 and is 1. Now, what do we do with these numbers? Subtract the final drive ratio from the roll-out of the tire. ? I have already equipped my 150cc gy6 scooter with a racing pulley, center spring and porting was already done on the cylinder head. The drive axle ratio is a comparison of the number of teeth on the ring gear on the drive axle and the pinion gear on the drive shaft. 73 to one, 3. It is a comparison of the size of one number to the size of another number. Crankbait - Baitcasting reel, 5:1 gear ratio, 7' medium action rod rated for 10 to 17lb test. Let us take for an example a drivetrain with front chainrings 48-38-28 combination, and a 6 speed 14-16-19-21-24-28 cassette. This chart is based on 65 MPH and a gear ratio of 1:1, on a manual transmission in 4th gear. 5 years of SS-ing it out. I am running 14/45 right now and getting 17 MPH. Define gear. For any questions or observations regarding this tutorial please use the comment form below. A basic gear ratio is one-to-one--or 1. A good gear ratio for the AW4 automatic running 35-inch tires is 4. every inch of tire height you add or subtract will change your ratio. This chart is particularly useful when used in conjunction with an engine’s power and torque data – showing what the rpm drop is in each gear when shifted at a specific engine rpm. Other V-8s don't have the 4. To do this, simply list all the multiplication possibilities for each tooth number and compare:. Science Stuff about gears. This equates to an enormous crawl ratio of 73. Chart 2 adds a little context by starting the bars at the low gear ratio. 23:1 with a colon). Think of gear ratios as a distance between 2 points. 73 it will give you good seat of the pants feel and cruise good on the interstate. More examples, 44 / 24 = 1. Rear gears can also affect things like gas mileage, automatic transmission shift points, RPM when cruising down the highway and what gear you're in when crossing the 1/4 mile traps at the dragstrip. We take the steps necessary to ensure our parts are dependable. Understanding gear ratios in fishing reels will increase your efficiency on the water and decrease your stress level when faced with a big purchasing decision. the higher the gear ratio the faster the retreive the trade off with high speed is less cranking power. jeephut gear ratio and tire size calculator When you change your tire size you need to make sure you have the right gearing to get optimal fuel economy and power. Change both of them for maximum effect. We provide a gear ratio guide to show you how to go through the selection process and properly evaluate and choose the right gear for your race car - Circle Track Magazine. How to Select a Go Kart Racing Gear Using Gears and Tires. You can now save bikes to the database. A Higher FDR ie 10:1 Is. Inseparably linked to choosing gear ratios is the concept of cadence i. I throw Lucky Craft 100 SPs most of the time and my goal is to throw that 1/2 ounce bait as far as possible and cover the water. Anybody know for sure what the ratio is and have a recommendation on a good company to get new gears from?. A ratio of 3:1 is used for lighter loads or for the initial winching of a heavier boat onto the trailer. Each unit is made with a specific purpose in mind, and the gear ratio used is designed to provide the level of force required. I know that the idealized problem using gears and force without considering biophysics will tell me there is basically no difference in energy between riding a bike up a hill in low or high gear. If you go below 10. IMHO, I think the 7,800 max rpm is a little low to have one gear ratio for both 1/8 and 1/4 mile. Depending on what you’re after, a 3. Numbers are good but gear ratios on paper are nowhere close to realistic when you actually drive the Jeep with all the variables the world throws at it. Example: 2. Yoyu may have to change the carrier depending on what gear you want to run. If you are in first gear with a ratio of 3. 9:1 (47/12) for an auto. GEAR RATIOS CALCULATOR. By Kurt Dove. It seems the highest I can go with a 12 bolt is. This article also explains why the Dana 30 is a good low buck axle upgrade for '45-'71 CJs. com, clearimageautoparts. 1 times every time the rear wheels turn once. Higher gear ratios are often better when fishing areas of small strike zones, as they allow your bait to get back to the boat in preparation of another cast quickly and effortlessly. A lot of bike races are won or lost when the road heads uphill and so power to weight ratio is a key calculation in the pro ranks, but the principle is also important if you want to improve your. 44/16 gear ratio with 20x1. This number is calculated by the rear sprocket tooth number divided by the front sprocket size. My ? is what gears are you guys running , im planning on going to 37s in the future so im debating on 456 or 488. If you are using lures that need fast retrieves, a higher gear ration is recommended. It's much better, and a heck of a lot more efficient, to select reels with the correct gear ratio for what you're trying to do with a lure. If it's an auto is if the shifter gate does not show a 1st gear then it has either 3:08 or 2:72. A 4:1 gear ratio is considered slow, while a 6:1 is considered fast. You can obtain large speed ratio using small machine. I have 38s/4. I've only just got back into fishing and I'm pretty much a noob when it comes to carp fishing so just a good cheapish. Enter the tire size diameter and the target vehicle speed in MPH. Go Kart Gear Ratio Speed Calculator (MPH). 90 axle ratio at 70 you will be turning close to 3200. That's great, you get a 1 tooth lower gearing on the bottom of the range, and then you get a 28T chainring and You basically don't get squat benefits. The Gear Ratio Calculator below will help you select the best gears for your needs. 56, but being a 4cyl I would strongly consider bumping up to the 4. Start studying Manual Transmission/Transaxle Principles Final Exam - Attempt 1. A well-timed shift point is also important on the track. Return to above. 31 inch tires are about 15% larger, and the later 5th gear is about 9% lower than early (pre-88. Gear Ratio Calculator for Vehicle without Jackshaft This calculator determines the top speed of the vehicle with no margin for mechanical, rolling, or wind resistance. i've got to make a decision quick. In a rear axle, for example, a common ratio is 41 teeth on the ring gear (driven gear) and 11 teeth on the pinion gear (drive gear). For each pedal stroke, the rear wheel turns 0. the advantage of a 4. Gear ratio affects a variety of driveline combinations, so it’s important to know what the gear ratios are for a gearbox you might be swapping into your ride. 10:1 gear ratio. it all depends on how fast of a speed the fish wants the bait. Gear ratios are used to increase the force or speed. If you were running at 2500RPM in 6th gear with the close ratio magnum and the 3. 4 - 1 with most crankbaits just because I have had fish that ate the bait running at me with low gear ratio reels that I couldn't catch up with to load the rod and set the hook well. 73 gear ratio I know with 4. Next up we have the worm gear made of two parts: the pinion and the worm gear. 5:1 ratio because that is both a very low gear and an exact submultiple of a direct 1:1 ratio so that is one reason I am not going below a 0. Understanding your vehicle's gear ratio is a powerful tool when making changes at the track or around the. Consider this: In 1970, the "standard" gear ratio for a GTO with a 350 HP 400, Muncie M-20 ("wide ratio", 2. By the end of this tutorial you should know how to calculate a gear ratio function of the gears and also the effect of the gear ratio on torque and speed. Rollout Ratio Although this calculator works for most motors, some require different gearing to compensate for heat issues. 42 gears do a good job for towing power? Any info will be helpful. About this Engine RPM / Tire Size chart: The following chart of Tire sizes and axle gear ratios are meant to give a general idea of the relationship between the differential gear ratio and the tire size and. In other words, for each pedal stroke, the bike moves forward about 60 inches (about 3. 71 ratio or. s14 final drive ratio is 3. So all I would do is flip both sides of this equation right here to get this one over here. Hi, I am looking at getting a used Chevrolet truck w/ 5. Think of gear ratios as a distance between 2 points. This ratio is obtained by counting the number of teeth on the driven gear, the ring or pumpkin, and dividing that number by the number of teeth on the drive gear, the pinion. To determine gear ratio of a gear train with 2 gears, start by identifying your gears. So the ratio is 3 to 1. A first gear final ratio of around 10. I know that the idealized problem using gears and force without considering biophysics will tell me there is basically no difference in energy between riding a bike up a hill in low or high gear. These can be 8, 9, 10 or 11 speed. Gear motors can also be used on vehicles with smaller wheels if a slow top speed and a high amount of torque for uphill climbing or driving through sand or mud is required. Gearing application is closely related to the rev range that a specific set-up produces power at. Pull as tall as you can in low gear with about 7 degrees of timing out on the hit. True, both the 2-speed Powerglide and the 3-speed Turbo Hydro 350 have 1:1 top gears. One solution to determining your actual rear axle gear ratio is this:--attach a piece of tape to the drive shaft; attach a piece of tape to a rear wheel. With this higher contact ratio they run smoother and quieter which makes for excellent corrosion resistance. Quarter Mile ET/Gear Calculator: Vehicle Weight (in pounds): Vehicle Horsepower: RPM through lights: Tire Diameter (Height) in Inches: Input Parameters, Please 1/4 Mile ET: 1/4 Mile Top End Speed: Ideal Ratio:. A good way to calculate this is to multiply. Make the wrong choice and your Jeep will become zero fun to drive. 36) by switching your rear cassette to a 29 tooth (lowest gear ratio of 39/29, giving a ratio of 1. Every gear ratio involved subsequently reduces the rpm from engine to wheels. It will also make the chain slightly looser, and you will probably need to move the rear wheel back slightly to compensate. About this Engine RPM / Tire Size chart: The following chart of Tire sizes and axle gear ratios are meant to give a general idea of the relationship between the differential gear ratio and the tire size and. 11 to one from a stock 3. Dana 30 Disk Brake Conversion: How to convert a drum brake Dana 30 to disk brakes. 10 axle ratios. Gear Ratio To Tire Size Chart Here’s a great little TJ gear chart to find out what gear ratio would be good for you if you are changing tire sizes. 08 for top end driving. 56 gear ratio is but they are all HEMI guys talking. 3 ratio in my differential, the original one, I though that the 'always running short' feeling was due to it". For example what is the difference betwen a 3:50 and a 4:11 rear end gear ratio and what are the good and bad sides of each?. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Click on Calculate. gear ratio dosnt matter too much when using most top waters i. The new Fin-Nor Offshore conventional star drag looks like an excellent reel. Gearing is a measurement of a company's financial leverage , and the gearing ratio is one of the most popular methods of evaluating a company's financial fitness. The gear ratio most interesting to 4x4 truck owners is the ratio between the driveshaft and axles - the differential gear ratio or axle gear ratio. 00 Gear Ratio made by Richmond Gear, for as low as $164. 75 is an ideal one for a large portion of fixed gear riders. Re: gear ratio opinionsfor a 6yr olds MINI BMX bike wow thanks! that is very helpfull i thinkt that proves that changing to a 35x13 was a good move, all those ratios work out to 52, 53, or 54ishthe new one i just installed was 53. Power to weight ratio is used to measure the actual performance of any engine or power source as a whole. A good way to calculate this is to multiply. The second gear is called the secondary gear or follower gear. Hope that helps MrC. If $$$ was no object and it was burning a hole in my pocket, I'd regear from 3. Those are pretty much the basic rods that you could always use in your arsenal. 73, best bank for the bucks, good cruising speed yet plenty of quick grab! 4. Fishing reels with a gear ratio of 6. That's the trade off. A Meritor 12 spd has a. Definition: gear ratio n. If you do not know this ratio, you can simply put in 1. It varies all of the ratios that you allow it to change to achieve the goal that you define. 90:1 , which means the driveline turns 3. It is a 69-inch gear which is a little high for the icy bridges over our "three rivers," even with Cyclocross tires (Vittoria Cross XG Pros), making it up a bridge is nearly impossible (and not to mention how ridiculous it looks to look like you're riding an exercise bike in the snow on a bridge!). This is why they make deeper axle gear ratios…. 0 to the above gear ratios eg; Silver Can Brushed becomes 3. This will give you better gas mileage, but not as much torque. You can try different things with your fixed gear apparatus proportion constantly and you will eventually arrive at the same result that the 44/16 proportion or 2. 10 the engine and drive shaft turn 4 and 10 onehundreths, or 4. 59:1 target lowest gear. What is a good quarter mile gear ratio? Been racing, have 3. My tip here is that the gear ratio between the worm gear and worm is the number of teeth on the gear divided by the number of flutes in the worm. For a person who tows more often, and heavier loads, the 3:73 or 4:10 may be more appropriate. The worn gear is connected to the motor via spur gears. how many revolutions per minute you turn the pedals. Low ratio gears are gears where the pinion gear (attached to the motor) has fewer teeth than the ring gear (the gear it turns). This is good for torque but not speed. General guidelines for gearing ratios state that between 25% and 50% is best unless more debt is needed to operate. We provide a gear ratio guide to show you how to go through the selection process and properly evaluate and choose the right gear for your race car - Circle Track Magazine. In this train, the blue gear has six times the diameter of the yellow gear (giving a 6:1 ratio). The "highest" gear ratio on the bike might be a front chain wheel with 44 teeth and a rear gear having 11 teeth. Although gearing ratios vary by industry, there are some guidelines for what's a good, bad, or normal gearing ratio. Some minor Dana 30 differences are documented in this article including differences in spindles, bearings, and brake hubs. Gear ratio is the speed of a gear multiplied by the number of … How to Calculate a Belt Conveyor … A high monthly electric bill can be a good reason for wanting …. 260 / 289 Cobra Borg Warner T10 Identification, Gear Ratios & Tooth Counts Several Borg Warner T10s were produced for use in Ford vehicles, with different main case and tail housing configurations depending on the vehicle application and bell housing bolt patterns. 7 is 1200-2000 rpm (although it will make more HP over 2000, of course). And the lower gear ratio user can add more primary weight,steeper helix, etc Hence getting there faster. We provide a gear ratio guide to show you how to go through the selection process and properly evaluate and choose the right gear for your race car - Circle Track Magazine. Remove the speedo cable from the tranny, install the ratio box on the tranny, then put the speedo cable on the ratio box. By the end of this tutorial you should know how to calculate a gear ratio function of the gears and also the effect of the gear ratio on torque and speed. Fast way to determine Gear Ratio and Speed. by charles (lebanon pa usa) Is an ISX Cummings 450 HP 13 speed transmission with a 3. Just about any ratio you could want is available, from the 2. Gear ratio calculator for your Chevrolet. 56), you could achieve a similar gear ratio to a bike with a compact chainset (50/34 with a rear cassette of 25 - ratio of 1. Switching to a 45-tooth driven gear (the most teeth available) would translate to the vehicle traveling at 78 percent of indicated speed - close but not perfect. Best Answer: Assuming you'll be using a Honda clone engine, available from Harbor freight for around $129 and plan to remove the governor assembly, you need to figure in the wheel size, if your going to use the 5 inch rims found on most asphalt racing karts 3. It's not really a daily driver, but I will drive it to the trails. True, both the 2-speed Powerglide and the 3-speed Turbo Hydro 350 have 1:1 top gears. However, the final drive ratio can be tuned to your liking by using sprockets with different numbers of teeth. 3:42s are a pretty good gear for a combo of driving applications. The stock gearing on the CRF230F is 13 teeth on the front sprocket and 50 teeth on the rear sprocket. With the torque of a 502, make sure the car is stiffened up, and the drivetrain up to the task. If you do not know this ratio, you can simply put in 1. The OP was specifically talking about gear ratios. You can now save bikes to the database. In 2009, the computer was programmed to let drivers select the highest gear the transmission would shift to, for easier towing, hill climbing, and hill descent. (Image/YourMechanic) Because different transmission gear ratios can greatly affect a drivetrain combination, it’s important for anyone performing a transmission swap to know the gear. If it’s a daily driver, chances are you’ll want to keep your gear ratio at 3. There is a specific, one and only, gear ratio in high gear (on automatics without overdrive). It's true that you can speed up a low gear ratio reel by cranking fast and you can slow down a high gear ratio reel by cranking slow. Now coming back to topic , for good street use and drag racing its very imp to get the right balance between the gear ratios. If you find hills HARD you have the most to gain through optimising your cadence and gear ratios. If you have a 26" tall tire and given gear ratio, install a 30" rear tiresee just how sluggish the engine/car becomes. Gear ratios are easy in that the ratio of the speed of the gears is determined directly by the diameter of the gears. 4WD cars put more strain on the motor and therefore must be geared higher. The lower ratio number the lower the engine will rev at a given speed. I will be towing a 24' camper at times and a tow dolly. 82 first in 6 cylinder cars. That's a good example where both performance and fuel economy will likely improve with a steeper gear. Stability is not really a factor of the gear ratio. This calculator will provide the speed of the vehicle based on the transmission gear ratio, the engine RPM, the tire height, and the ring gear and pinion gear ratio in the rear end axle differential housing. But for road racing, if there are no standing starts or pit stops, you can be less concerned with a low first gear and instead make it higher and possibly useable on the course. 46, a 4-to-1 transfer case, and 4. 10's I was wondering if it would be noticable and would the gas mileage suffer. Especially with the overdrive, make sure your gear oil level is full in the transmission!. All of the same issues we talked about for the 29ers apply to the small wheeled bikes but the gear ratios have to be bigger since the wheel is a little smaller. City mileage has improved 3mpg on average. Example, the old -1 front = +3 rear, not true! You must consider the front sprocket, it's on the output shaft of the engine!. Gearing as high as the highest ratio that is available for the Corvette Dana 44 gear case, 4. 12 by your Jeeps tire diameter (Example:. If you have fewer just leave the unused ratios set to 1:1. A good way to calculate this is to multiply. Switching to a 45-tooth driven gear (the most teeth available) would translate to the vehicle traveling at 78 percent of indicated speed - close but not perfect. Fun for cat fishing especially at night. 88s if you run around on the highway a lot, 5. This solved the high speed gear problem by reducing the ratio to 3. 10s were available only with the I6 at one time and may still be now. This gear ratio immediatelly became popular. The gears within your transmission aren't the only gears in a car. If you have a 26" tall tire and given gear ratio, install a 30" rear tiresee just how sluggish the engine/car becomes. Rear gears can also affect things like gas mileage, automatic transmission shift points, RPM when cruising down the highway and what gear you're in when crossing the 1/4 mile traps at the dragstrip. 90 axle, the T-50's overdrive fifth gear, and 24 inch diameter tires a 5,000 RPM redline brings me up to 150 MPH with extremely good acceleration in all gears. 5:1 or 4:1, and typical high gear ratios are 6:1, although ratios range both higher and lower. When a gear train has multiple stages, the gear ratio for the overall gearing system is the product of the individual stages. Almost any ratio could be obtained in the early 70s until converters came in and emissions made gearing changes. What is the correct gear ratio for the outdrive on a MCM 5. As a general rule, when dealing with two gears, if the drive gear (the one. It's not really a daily driver, but I will drive it to the trails. im 45 on sunday and thats alot of the reason i quit circle track racing too. Choosing the correct gear ratio is critical to maximizing performance, efficiency and drivability for any kind of vehicle operating under any conditions. I am having the transmission rebuilt currently. The rearend gear ratio refers to the relationship between the driven gear (ring) and the drive gear (pinion), and is easily calculated by dividing the ring gear tooth count by the drive gear tooth count. 10 isn't offered on the ecodiesel, it would give even more torque for towing, and less mpg's highway. good for mpg but anything over 60 I'm turning 3000. " The key to understanding gear ratios is to remember that, as the numerical ratio goes up, towing.