12 by your tire diameter. Transmissions are prone to failure, so stay fast and in control with new parts. number as same as FD2R both was sharing syncro gear ratio same and change design of gearing. The CVT is not constrained to a small number of gear ratios, such as the 4 to 6 forward ratios in typical automotive transmissions. this means that dimension "C" is usually longer than dimension "B". Colors group similar values. This is a highly subjective subject, but I base my conclusions on the factory ratios. In other words, the Gear ratio is the ratio between the number of teeth on two gears that are meshed together, or two sprockets connected with a common roller chain, or the circumferences of two pulleys connected with a drive belt. With gear ratios, the higher the number the lower the ratio. 785 Final Drive and LSD - BRAND NEW IN HONDA BOX. Select Transmission: Choose Transmission. This transmission is one of the best B-series transmissions Honda has offered in its vehicles. 930 TRANSAXLE SPECIFICATIONS. Tranzilla™ is a 6-speed transmission that will accept 1,200 Horsepower and 1,000 ft/lbs of torque. Contact; Black Art Graphics. The ratio of the number of rotations of output gear to the number of rotations of input gear is called the gear ratio. Our award-winning history of innovation and expertise ensures we provide quality craftsmanship as we serve our customers with knowledge and integrity. Required fields are marked *. Note: GTO and Cadillac CTS-V units must use 30 spline Viper main shaft for 1,000ft/lb torque rating. Lightweight, rugged gearbox that allows 3 Positions: Forward, Reverse and Neutral. This chart has been revised with actual ratios. Taurus SHO Manual Transmission Gear Ratios steel exhaust tips, new parking lamp bezels, an EcoBoost rear logo, and an SHO C-Pillar logo. ford – lincoln – mercury – cansf – transmission gear ratio Description Display the Transmission Gear ratio for Ford, Lincoln and Mercury vehicles that use the CANSF protocol. Super Max 3 Speed Gear Ratios. ln general, all Lenco transmissions are a planetary design. The chart calculates vehicle speeds based on the gear ratio, final drive ratio, and tire size. 00 Transmission gear ratio (5th). Put your team and yourself one step closer to the checkered flag, if you are racing in a class that utilizes T101, SR1 or GS1 transmissions. When we talk about the manual transmission the gear ratio of the first gear i. We offer rebuild service on the differentials and can change the ring and pinion to a taller ratio. Mazda MX5; Chassis. Examples of Power Transmission elements include: gears, friction drives, timing belts, flat belts, levers, and screw drives. There's no set best highway rpm, that depends on the tire size, transmission type, and engine but 2600-2900 is fine with the 3-speed. If you know your gear ratio and tire size you can get a fairly close idea here. A manual transmission requires driver intervention not only to start from a standstill, but also to select the proper gear ratio for various driving conditions. Thats why the default ratio for the e cabs is 3. Every gear has dual synchro's and the gearing is perfect for all motor applications. Gear Motors (Electric Bicycle Motors) Gear motors are made for electric bicycles with 16" through 26" wheels. Channel -27's signal is received with a two -stack yagi, located at the tower's 60 -ft level. I can't speak to Firebirds, but 3. Gear # = Value - FDshaft/MainShaft Civic (B16A / B16B) 1 = 3. The kit consists of a close ratio1st and 2nd gear which prevents engine revolution drop during up-shifting to keep the RPMs inthe optimal range. Gear Ratio Calculator Select transmission from the drop down list or, if it's not in the list and you know the gear ratios of your transmission, enter them. As mentioned, the 700R4 was a 4 speed automatic transmission. Let's bring that concept back to the purpose of the transmission. 972 / 5th Gear Ratio 0. 12 by your tire diameter. 2) Nissan has NEVER had a 3. The Gear Ratio can also be obtained by the. Note: Data may not be 100% accurate. RPM Calculator. 70:1 will reduce engine rpm by 30 percent, while the. Enter the tyre diameter in inches into the table below and press "Calculate". Ever wonder what your low-low-low gear ratio is, your "crawl ratio"? You'll need to do a little research by finding out the transfer case and transmission ratios first. Tenth gear in the 10R80 transmission has an overdrive ratio of 0. Now my speedo is incorect (shows higher speed). 2nd-6th Long Ratio Gear Set. I have 3:73 gearing with my 48RE auto trans, and was trying to figure out gear ratios for the purpose of 35" tires/mpg, and sweetspot as in article. 63, third-year 2. This calculator assumes you know the vehicle's transmission ratio. 10:1 final-drive ratio for US models. 06 or better? What were your results? If you have the 2. Gear Ratios and Mechanical Advantage. 984 1st gear / 2. It does everything well: accellerate, cruise, and top end. 2) 01-06 itr has the same 1-3 gear ratios as the 02-06 rsx-s, euro-r, and 06 si but has different 4-6 gear ratios. AX-5 Tranmisssion; AX-15 Transmission; NV-3550 Transmission; T-56 Transmission; NV-4500 Transmission; NSG-370 Manual Transmission; MT-82 Manual Transmission; High Gear Transmission; Jeep Transmissions. Fast shipping throughout North America. At 65 MPH the engine is turning about 4000 RPM. Transmissions use gear ratios to keep your engine within a safe and economical operating RPM range, while giving your vehicle the ability to accelerate to and maintain a safe speed across the ground. Worksheet Data and Analysis: During the activity, have students use the Get in Gear Worksheet to record their observations and data. 90:1 , which means the driveline turns 3. This is the JDM 01-05 Integra Type R K20A 4th gear set. This is equivalent to a manual transmission on a 3rd or even higher gear. I'm looking for a second gear ratio around 1. US models received an overdrive transmission while European models were outfitted with a dogleg version, with first gear being down and to the left, and fifth gear being a direct 1:1 ratio. You can also now calculate when using different transmission gear ratios, like in first gear or in overdrive. GEAR RATIO (VELOCITY RATIO) The reason bicycles are easier to cycle up a hill when the gears are changed is due to what is called Gear Ratio (velocity ratio). ITR vs PPG vs Rebuilt K20A2 Gearbox Transmission & Drive Train RSX I did a quick analysis on the gear ratios, and PPG Helical with a 5. The 11/84-2/86 200sx w/ CA20 is very similar except it has much better gear ratio for 2nd that closes the huge 2nd-3rd hole in the 280Z pattern. How to ship a transmission. Look to spend between 1200-1400 for these transmissions because of their quality, LSD, age and gear ratio's. Two of the key reasons for its popularity were the improved fuel consumption and the 3. T101 /SR1 / GSR TRANSMISSION GEAR S. 827 gear ratio for any truck axle, front or rear. Subject: Transmission Codes and Ratios Here's an update on Scout Transmissions and ratios to answer some of the questions that have been asked. Chevrolet Transmission Dimensions Dimension "C" is the distance from the bellhousing to the center of the transmission mounting pad. Review students' answers to assess their comprehension. Most do not fit a 260/289 Cobra. The ratios will also help you determine MPH and RPM in specific gears for racers interested in how much it will effect their performance. The car now has 168000 miles on it and I'm still driving it with a bad transmission. General Information. (example: P7A14- Muncie 1967, Jan 14) Muncies assembly codes are model year. 5 6th gear? Are there any numbers or tags on the transmissions that will give me this information?. of torque capacity-Reasonably light at 135 lbs. Go Kart Gear Ratio Speed Calculator (MPH). Subject: Re: [RAM] (RAM) Transmission ID. So the newer close-ratio transmissions are actually wider than the older wide- and closeratio transmissions! This chart shows different ratios of popular manual gearboxes. 1st gear with 36 teeth for all Muncie M22 close ratio transmissions. It has a plug that has 15 wires that plugs into it. 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. Enter the tire size diameter and the target vehicle speed in MPH. it shifts all the gears. Simply stated, a gear ratio is a numerical value that describes the relationship between two gears (a spur and pinion gear for our discussion). There's no set best highway rpm, that depends on the tire size, transmission type, and engine but 2600-2900 is fine with the 3-speed. (C5 Corvettes are rated at 850 ft/lbs). Gear Ratio Calculator. 5 Ring Gear Size 3. We have a great selection of transmission parts for a Porsche 356. So if the pinion gear has 10 teeth and the ring gear has 30 teeth, the ratio is 1:3. That's a drop of only eight percent, making for a nearly imperceptible 10-to-9 downshift when needed. 54 (with the 0. Drivetrain Model What the Model Represents. Enter Diff + Gear Ratios and tire diameter, then drag RPM slider to calculate speed from RPM. 10's in 2nd 3rd 4th. 90, ATS recommends to change the second gear ratio to 2. Note: Data may not be 100% accurate. 06:1 gear ratio in 1st gear. Includes chart. Transmissions Available. There were lots of Model T aftermarket trannys. The change of speed is a ratio commonly represented by a fraction using the numbers of the teeth on each gear, putting the driven gear number on top and the driving gear number on bottom. South Africa where I live is flat and I don’t want to rev the motor. 3 - If the Si's 6th gear would be condusive to better gas mileage, can I only swap the 6th gear, or do all gears need to be swapped?. 00 as this is the typical 4th gear ratio of most 4 sp and 5 sp manual transmissions. I will autocross the car in addition to daily driving it. 9 - can be calculated as. 5-98 JDM ITR 98+ CTR 97-01 US ITR. 00 4th gear. Ford Manual Transmission How To Parking Gear Ratios The Ford Taurus SHO (Super High Output) is the high-performance variant of the Ford Taurus. With an excellent ratio sweep and solid mechanical strength, the RE5 will be a fantastic choice for many doing automatic conversions. Engine RPM, or the speed at which the engine turns, can be calculated at any speed given the vehicle's tire size, axle ratio, and final transmission gear ratio. It has a plug that has 15 wires that plugs into it. Home > Products & Services > Products by Category > Transmissions > Ratio. _____ GTJaguar 6 speed. When we talk about the manual transmission the gear ratio of the first gear i. ZF 85IV,ZF 63A, ZF 220A, ZF 220V, ZF 280A, ZF 286IV, ZF 325IV. Suitable for mild to full race B18c – B20 with 4. Well, if you take the stock spur/cb ratio of 3. I actually saw that now also engine and transmission combination are vital to the gear ratio but also the shift control configuration. They come in 3 first gear ratios. 764 Graph #3) Type S Gear Ratio's & ATS FD 5. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed. 43:1 (Close ratio) Turbo Hydra-Matic 400 - 1968 through 1977: Located on a plate attached to the vertical surface of the transmission case above the right-rear corner. 90, ATS recommends to change the second gear ratio to 2. 3 - If the Si's 6th gear would be condusive to better gas mileage, can I only swap the 6th gear, or do all gears need to be swapped?. Ratios are ideally suited to the flat torque curve of the 2. Look to spend between 1200-1400 for these transmissions because of their quality, LSD, age and gear ratio's. Eaton transmissions have been engineered to give you the competitive edge you desire. Tenth gear in the 10R80 transmission has an overdrive ratio of 0. The internal gears underwent a slight design change to complement the Borg-Warner synchros, and the gear ratios were also slightly changed in the process. Anyone know what that. 700R4 Performance Specs. Lenco Transmission Overview. 972 / 5th Gear Ratio 0. Your email address will not be published. The driving gear and driven gears in a gear box define the gear ratios. 17 Add to cart; ITR/B16 2nd Gear $ 174. i was trying to eliminate any electrical as cause of problems. 6 to cooperate with my rear end gear and tire size, long story. 88 ring and pinion). 64 Part Number: 518-TCET5008. If you do, you'll find that the product of all the gear ratios is the same as the ratio between the driver wheel and the driven wheel. A triple overdrive gear was added to improve fuel economy and lower emissions. On top of this the vehicle shifts more quickly than. 7L SLXA Automatic Transmission. Transmission Gear Ratio Chart ~ Gear Ratios are listed for many popular transmissions. Those "gear ratio" charts you see floating around the internet are notoriously inaccurate, especially when you consider that they don't take two of the most important factors into consideration: which engine you have, and which transmission you have. The shift from 3. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed. Gear Ratio and RPM to MPH Calculator with Auto Shift and Tracer Enter gear ratios into the table below. 623 ratio has also NEVER existed. Rear differentials installed included a 4. Hughes offers 4 versions of this kit, one with 1. Without driving the vehicle and just looking at the gear lever you will notice that is exactly the same as a conventional automatic and it does the same thing as the an automatic which is convert the engine's limited range of speed to various ratios. 563888 for 2nd. Information on this product will be added as it becomes available. Drag Max RPM slider to adjust the range of the RPM and MPH Gauges. That's the benefit of using the transmission to do the gear reduction, axle ratio isn't a big deal. General Information. Dual Cone B Series Close Ratio Gear Set W/ Carbon synchros:. Advanced Shot Peening technology increases surface hardness and advanced gear geometry designed using industry leading software ensure power is put to the ground. At least for the GSR and ITR they can rev high enough to get decent speed out of each gear. In order to achieve an underdrive first gear launch ratio the LENCO transmission relies on planet gears which rotate around the sun gear. CAMSHAFT COVER SPECS. We recommend pulling over as soon as possible and not driving like this or damage to the transmission could occur. Featuring a bunch of Gear on sale online. Once you've determined your gear ratio, the next step is to determine which gear ratio is right for your application. Once it gets going it's fine driving in town. w123 4-speed Transmission Ratios AND gear help. Take a look at our LOOK Super Strong M23 4 Speed Custom Built to YOUR Needs as well as other Complete Units products available for sale here at Riverside Gear -- your trusted source for quality Driveline Parts and Accessories. When a gear with 14 teeth drives a gear with 21 teeth, how will speed and torque output be changed? torque increases, speed decreases When a standard twin countershaft transmission is in high range, in what position is the range cylinder piston, yoke bar, and fork?. 73s and they are not nearly enough gear for super fast launches. 10's in 2nd 3rd 4th. 79) to get those revs at that speed with a thirty inch tire. drop rear suspension:LC OME851 Bilstein 5100 sonoransteel adjustable trac/panhard bar Daystar KU09014BK Bump Stop 285/75/16Toyo Open Country MT 16x8 Painted Gun Metal American Racing Wheels Borla Exhaust Cat Back Braided Stainless Rear Brake Line Extended Rear Differential Breather. I do not have a lot of confidence in the existing transmission and may consider buying a backup second hand gearbox as I run an autocross series and it is not too clever to miss a round. The better course might be to put a taller gear in the rear to lower engine RPM at road speed. Warner Gear T-19. Plus, LSD is standard and will be stamped on the housing. drop rear suspension:LC OME851 Bilstein 5100 sonoransteel adjustable trac/panhard bar Daystar KU09014BK Bump Stop 285/75/16Toyo Open Country MT 16x8 Painted Gun Metal American Racing Wheels Borla Exhaust Cat Back Braided Stainless Rear Brake Line Extended Rear Differential Breather. Gear Ratios VS MPH for B-series Tranny's Gear Ratio's versus MPH This information is intended to help everyone running a b-series transmission. For low speed with same std rear, the ratio is 9. To use multiple gear sets simultaneously, you can also engage more than one clutch at a time. Ford Transmission Dimensions Dimension "C" is the distance from the bellhousing to the center of the transmission mounting pad. Save $10 off $199, $30 off $499, $70 off $899. 23 rear gear. What is the optimum gear ratio for your application? To help you determine this Mark Williams Enterprises offers a handy plastic gear ratio calculator. Find the ratios for your fuller transmission. 1st gear with 36 teeth for all Muncie M22 close ratio transmissions. However, your vehicle will have only one gear ratio. If you select a different number of teeth, it will print out the resulting gear ratios at the beginning of the output. The primary 2nd gear ratio fits between 1st and 3rd gears for normal through-gear accelera-tions. 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. Just for fun I calculated the gear ratios for the on-road version of the Spicer 6 X 4 two stick transmission, which consisted of a PSO140-6A 6 speed main box with the following ratios:. 583 with kpro I would guess the k20a to go over or atleast 145 and there might be a ek with a itr motor. Find the ratios for your fuller transmission. 1st gear with 36 teeth for all Muncie M22 close ratio transmissions. Heavy-duty commercial truck transmissions offer a wide range of high torque-to-weight ratios and efficient direct drive and overdrive options for better performance and fuel economy. 42RLE: Four-speed automatic transmission was available from 2003 to 2006 Jeep TJ Wrangler with 4. *Ratios: 2. 56 rear gears you might end up doing some of that. If I'm understanding this right, the Final Drive Ratio(s) is another way of saying the transmission drive ratios, right?. Electronic Range Select let drivers limit the highest gear, using a +/- switch on the column shifter in the Ram Heavy Duty. Australian Dollar - AUD Brazilian Real - BRL British Pound Sterling - GBP Chinese Yuan Renminbi - CNY Euro - EUR Mexican Peso - MXN Russian Ruble - RUB Singapore Dollar - SGD US Dollar - USD. Gear Ratios VS MPH for B-series Tranny's Gear Ratio's versus MPH This information is intended to help everyone running a b-series transmission. Transmission Gear Ratio Chart ~ Gear Ratios are listed for many popular transmissions. 2) 01-06 itr has the same 1-3 gear ratios as the 02-06 rsx-s, euro-r, and 06 si but has different 4-6 gear ratios. I was doing some Googling and found the gear ratios for a few different flavors of the M32 series 6 speed manual used in the Sonic and Cruze. Give us a call at 800-216-1632 to get started. I can't speak to Firebirds, but 3. Posting one address. The driving gear and driven gears in a gear box define the gear ratios. Gear Output Torque. Incorporated in the TR-6070 is a Gear Absolute Position (GAP) sensor. All Borg Warners carry assembly data code (example: WA1923, W = Warner trans. Beetle gear ratios Valve Adjustments Oil change on an old Volkswagen Beetle How to change the gearbox oil in a VW Beetle VW 1600 Engine Rebuild Setting Crankshaft End Play Starting the Engine Engine 1. Later in other products and I've heard that jeep used them until mid eighties. P0730 Incorrect Gear Ratio means the automatic transmission has a problem, usually caused by dirty transmission fluid or problems with shift solenoids. 90 2nd gear with our 1. BMW Gear Ratios. 0:1 ratio, which is very high. so i crawled under the truck to check the rear axle sticker. 34 low gear ratio. This is good for torque but not speed. C: Gear ratio determined as gear position which TCM supposes. use this with 2. 10:1 final-drive ratio for US models. 563888 for 2nd. 84:1, 2nd Gear: 1. TCI® now stocks the most popular speedometer gears. 6 (T) Engine 1. Manual Transmission Basics article on Edmunds. When you're shopping for a pickup truck, in addition to different motor, transmission, torque and driveline choices, you might see different axle ratios offered as options and wonder which one to. Understanding your vehicle's gear ratio is a powerful tool when making changes at the track or around the. In an auto car, the gears automatically shift from ‘park’ or ‘idle’ to first and then gradually up to the fifth depending on the speed of the vehicle. The granny gear is the smallest cog on the front crankset of your bike. ---We Specialize in Classic and Current Musclecar Manual Transmissions---Hard to Find Parts and Transmissions- NEW & USED. So, the lower the axle ratio, the faster the truck will move. Factory 4-speed or 5-speed transmission ratios generally have a greater difference between gear ratios and tend to be effective for ordinary driving and moderate performance use. 29 gear ratio. Once it gets going it's fine driving in town. Your transmission gear ratio is 2. Transmission & Components; Gear Sets & Final Drives Synchrotech Dual Cone B Series Close Ratio Gear. 70 overdrive gear ratio. 566 ˚nal gear, this is the most. The MZ4 as fitted to all 2012 1. I do not put just any sets of gears in my transmissions unless its Anaheim Gear's. The Gear and Power Transmission Research Laboratory, formerly the Gear Dynamics and Gear and Power Transmission Laboratory, is a research group at The Ohio State University in Columbus, Ohio, dedicated to aiding sponsoring industries and government agencies by. The model sdl_transmission_4spd_crcr simulates a complete drivetrain. You can change gear ratios in the transmission, but not many people outside of racing do this. Gear Motors (Electric Bicycle Motors) Gear motors are made for electric bicycles with 16" through 26" wheels. How to calculate gear and speed ratio on Manual transmission. Light-Weight Design for Planetary Gear Transmissions Bernd-Robert Höhn, Karsten Stahl and Philipp Gwinner There is a great need for future powertrains in automotive and industrial applications to improve upon their efficiency and power. Gear Ratios VS MPH for B-series Tranny's Gear Ratio's versus MPH This information is intended to help everyone running a b-series transmission. When you increase the tire size without changing the gear ratio you increase fuel consumption and you can not drive at the low speeds needed for the off roads. Automatic Transmission Basics When vehicle is stopped and in gear, Output of one gear set becomes Input for other gear set allowing many gear ratios. There is another thread here, where AEV explains exactly why these gear ratio charts are misleading with the newer Jeeps and transmission. 88 ring and pinion). It does everything well: accellerate, cruise, and top end. Genunine Honda parts. Back to the problem. The Muncie M21 and M22 close-ratio provide the narrowest range of gear ratios while the T56 provides the widest range of ratios through the gears. 566 ˚nal gear, this is the most. 90, ATS recommends to change the second gear ratio to 2. MFactory ITR/GSR Final Drive Gear Set K-Series Transmissions $449. Connecting three gears Recall, the ratio of the turns gear 1 will make, N 1, relative to the number gear 2 will make, N 2, is related to the ratio of the number of teeth through N N n n 1 2 2 1 = If the number of turns is measured per unit time (i. CAMSHAFT COVER SPECS. The Powerglide lingered on as a low-cost automatic transmission option primarily for six-cylinder Chevrolet Novas and four-cylinder Chevrolet Vegas until it was phased out after the 1973 model year. Technically, ratios should be written as 3. See the Gear Ratios section below for more info. High Gear Solution High Gear Transmissions is one of the fastest growing standard shift transmission rebuilders in the United States. He recommended changing 1st gear from the stock ratio of 3. 78MB Ebook manual transmission gear ratios PDF Full Ebook By Han Leigh FREE [DOWNLOAD] trying to find manual transmission gear ratios PDF Full EbookThis is the best area to entrance manual transmission gear ratios PDF Full Ebook PDF File Size 19. The same gearsets are currently used in professional competition all over the world. GREAT top end, doggy as hell off the line. It also compact the size of gear box. On the other hand, CVT varies gear ratio continuously and seamlessly rather than in a stepped manner. A question about gear ratios vs final drive. * SuperLight with transbrake any gear ratio John makes, $4,995. 930 TRANSAXLE SPECIFICATIONS. The two most common are 342 and 373. For any questions or observations regarding this tutorial please use the comment form below. 2 T-5 info and resources,. Fast way to determine Gear Ratio and Speed. w123 4-speed Transmission Ratios AND gear help. I never really considered this seriously. Find the ratios for your fuller transmission. The 8sp with 3. Namely, changing the ratios of 2nd, 3rd, and 4th gears is all possible, as well. Transmissions Available. Automatic Transmission Basics When vehicle is stopped and in gear, Output of one gear set becomes Input for other gear set allowing many gear ratios. This is the JDM 01-05 Integra Type R K20A 4th gear set. Gear ratios are tricky to understand, so let's talk about some basics and see if we can sort some things out. Mazda MX5 mk1; Engine. The gear ratios in transmission and final drive are important because different gear ratios will change the characteristics of a vehicle's performance. * The above are calculated values. So the newer close-ratio transmissions are actually wider than the older wide- and closeratio transmissions! This chart shows different ratios of popular manual gearboxes. The gear ratios can remain as is for most of the other adaptions. Gear & Install Kit Packages. A continuously variable transmission (CVT) is a type of transmission that can provide an unlimited range of gear ratios in automobiles. H1 and H1 Aplha Axle Ratios (GM Quit producing the H1 in 2006). We offer aftermarket transmission parts for both street and race applications; find shifters, swap axle kits, clutch kits, carbon rebuild kits, and more. Overall, the Borg-Warner transmissions are more plentiful, and more desirable. When we talk about the manual transmission the gear ratio of the first gear i. It's actually kind of close to the 6sp and 4. ratio change free John Kilgore is a pioneering expert at creating custom ratios. Rear differentials installed included a 4. The aftermarket's premier 6-speed performance manual transmission!-700 lb-ft. 52 Transmission gear ratio (4th) 1. 272 final drive ratio - 4. 99 Add to cart; ITR B16A2 3rd Gear $ 221. part no: rsg-m22z. T56 Gear Ratios. , A=M20) (This code was added to identify ratios. The TREMEC TR-3650 is a 5-speed manual transmission for longitudinal engine automobiles. but it beats teh hell out of me to why make 4th taller than 5th the sad part is you cant get the manual on the GLX but you can on the GLI.