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Us gear overdrive HankyJ Discussion starter. - Anyone who is coinsidering laying down the $2,000+ for the GV overdrive might want to do so quickly. Gearbox adapters and control switch/wiring though I do US Expedition Overdrive Switch Gear Shifter Lever For Ford F150 F250 F350 97-03. I'm sure that given the era, 95% of them were geared to overdrive. This works, in terms of adding OD to It works just like another gear in the transmissionno fuss, no muss, just a shift into overdrive that sounds just like any other shift of the transmission. Nov 25, 2013 #8 US Gear V2OD Overdrive Unit. 1K views 8 replies 5 participants last post by 70 SS LS-5 Feb 4, 2007. 54 1st gear and a 1. I am wondering what you guys think about eliminating the overdrive and ZF5 for a ZF6 (overdrive is not compatible with the ZF6 or this decision would be easy) If I went ZF6 I would likely throw 3. I think they have a great product but I A TH350 is an automatic and the US Gear OD operated much like a manual transmission. ZF5 (diesel wide ratio) is a good transmission but has pretty lousy ratios including overdrive. The US Gear/DNE2 is designed to shift any time at any speed cause Was able to get an old US Gear Dual Range over drive (Org Doug Nash unit) at a good price. sanda25 Discussion starter. US Only. All gear driven with a 35000 gvw rating. Gear vendors is designed for use only at high speeds - it's a additional top end gear for high speed use. US Gears Overdrive Manual - Free download as PDF File (. when you want to have better performance, then tyake it out of OD. 0's) Re: US Gear V2OD Overdrive Unit ? 04-29-02 04:50 PM - Post# 103892 In response to bigjimzlll No, this is just a single OD gear (either 20% or 30%) on the tailshaft. See no reason it wouldn’t work on th400 with the correct transfer case but never tried. Free Shipping. 0 2nd Gen Dodge 5. 166 posts · Joined 2005 Add to quote; Only show this user #1 · Feb 3, 2007. Muscle Cars / Hot Rods GEAR VENDORS can give your GM / Dodge / Ford vehicle up to twice the forward gear ratios, unparalleled performance and the ultimate in horsepower handling of any auxiliary transmission. Internally it's a very conventional-looking husky two speed gear box that uses an electric servo motor to shift between its two ranges. If you have a stock to mild engine, you're much better off getting a 700R4. US Gear made them as both Under and Over drive. Exceptions would be a car with say an unusually tall diff gear like say 2. 73 where the engine really is quite low in rpm at cruise already. Returns Accepted. Obviously by 2011 US gear parts etc was gone for the support on these things so I removed it and hoped to find another one Bought a US GEAR Overdrive today. It stays in the range it's left in, even in reverse or with the engine off. These are both Doug Nash DNE2 boxes in good shape. Jump to Latest 5. Shop now for fast shipping and easy returns! The Gear Vendors overdrive unit provides a 22-percent overdrive and is actuated by an electronically-controlled solenoid. GEAR VENDORS Doing 150k a year with what I estimate as being able to use US Gear's overdrive about 60% of the time. The OD ratio of the GearVenders unit is . Tranny and o/d unit from a 93 f250. US Gear Overdrive - Worth the time? Jump to Latest Follow 3K views 4 replies 3 participants last post by dan10101 Jan 15, 2008. The GV unit is on the tail end of the transmission after the transfer case. My good friend put one on a big block Mopar of his and it was quite easy. Show only. I also think my estimates maybe low on the fuel savings. tom Good point Calvin, I always forget about the clocking ring. 66 posts · Joined 2013 Add to quote; Only show this user #1 · Jan 27, 2014. The Gear Vendors offers a 22 percent overdrive, turning our 373 gear into a 2. 10 (the stock axles) and 3. Buy It Now +$6. Thread starter Diesel JD; Start date Jun 21, 2008; 1; 2; Next. Some parts are available from US Gear and the Not quite true, US Gear and Gear Vendor both offer overdrives for manual transmissions, but the V2OD US Gear OD is only for Autos, the US Gear dual range OD is offered for both. Overdrive works by changing the transmission ratios on the last gear so that it acts like an extra gear. 59 overdrive. The planets (or planetaries or lay shafts) would just be reversed. You can engage the overdrive at any time for true shift-on-the-fly capability. Looking at putting an overdrive trans on the truck. 73s as we all know. 10s you 4l80-e = same gear ratios of th400 just overdrive gear and lockup conv. 54 axles under the truck. There is also US Gear units, for a little less money. A quick look under an Avanti and a glance at the Gear Vendors ad photo would tell anyone, "No way, No how, without cutting up the X-member. I have a Gear Vendor's Under/Overdrive electric solenoid unit. Any new overdrive unit costs anywhere between $2000 - $3500 plus installation, and a new driveshaft. Bowtieman427 Discussion starter. -----'69 RS/SS396 pro street 427/4spd/9" Byars Performance High Performance Drive Train Parts And Service I have spoken with Gear Vendors and have their brochure. So when the overdrive function is engaged, it applies I was thinking of the Gear Vendors, not the US Gear unit. no sence re-inventing the wheel. Brand New. C $668. Gear Dual Range Auxiliary Transmission is a highly versatile unit offering a variety of separate and distinct final drive ratios while providing the necessary strength requirements that Comparing three popular aftermarket overdrive units looking at Warn Overdrive for Jeep Spicer 18; Gear Vendors Overdrive for automatic, manual, and transfer case; and Ranger Torque Splitter There is an enormous amount of torque capacity there so it can be used in any gear including first, and thus serve as a gear splitter unlike a normal internal overdrive gear which sees unmultiplied engine torque only. lol) - example not only was this US Gear listed as Gear Vendor but his description didn't really say it was new, it I have a 2018 RCDRW 4x4 G56. The superior quality of US Gear products is the result of outstanding design, meticulous engineering and state of the art manufacturing processes. ATI, one of their distributors, sells it for $1800. there really is no need to shift into OD all the time. I would like to hear opinions from people who have tried them or know someone who has. Was removed from my F250, and has about 30K miles on it. Premium. Con: No lock-up for the convertor like a 200-4R or 700R4 (this will only be an issue if you use a high stall converter), the cost. So if it wasn't wired to prevent you from splitting gears in 4x4 what would happen engaged in 4x4 with a gear split is the rear axles turning at the higher GV overdrive ratio while the front axles were turning at the lower stock ratio. 19. I have a US gear overdrive on a 4:10 truck and was always gun-shy about running in OD fully loaded (26k gross). just put it in OD and drive it. March's Cummins of the Month is now open for entries! 6. As posted. Could do all this for $3k. Because we like life in the fast lane, and certainly appreciate better fuel economy, we decided to install a Gear Vendors in the Camaro. But how must i operate it? if i normal start driving i shift in D and start driving but the RPM goes US Gear Dual Range overdrive or underdrive unit or Gear Vendors Under/Overdrive? Looking at adding one with my NV4500 and NP205 combo, this will allow an overdrive ratio of aprox . Jun 21, 2008 #1 D. If I am convinced they are strong enough I may buy one, especially if I can get one at a discount significantly below retail price. 99 5% off. Estimate possible 2 mpg improvement. I actually have it sitting on a bench bolted up to US Gear overdrive unit. This is from a 2 wheel drive truck Call 916 598 34eightfour No CODES No PERSONAL EMAILS 1994-1998. A forum thread discussing the discontinuation of US gear Overdrive products and the alternatives for diesel truck owners. 2" GM Ring & Pinions 9" FORD Performance Ring & Pinions 12-Bolt Car PRO Competition Ring & Pinions An overdrive is sometimes a separate unit that fits into the back of a gearbox, as with this Fairey unit. Clutch, Transmission, Differential, Axle & Transfer Case - Doug Nash / US Gear Overdrive Units - I am looking at buying a Doug Nash overdrive unit for my C6 transmission. B. I would pay for a wiring schematic that I could take to a shop and have them wire it in if you have one, I don’t do electrical work and it’s getting tiring topping GEAR VENDOR OR US GEAR OVERDRIVE Ive been runnig a Laycock overdrive for somtime. 6in Vacationeer cabover camper, TorkLift tiedowns. Pre-Owned. Most of the threads about the auxiliary overdrives is on the earlier G56 transmissions with 4:10 gears. 54 (lowest gear divided by highest gear). Find top brands, exclusive offers, and unbeatable prices on eBay. Sponsored. Probably there is no way to tell without opening it up or actually using it, I believe cases were the same just w/ different gears on either side of the "planet"s as they call them. 10 LSif the sticker is still correct. These units have become very popular for drag and drive racers who need a stout transmission for racing, and the overdrive gear for journey on the streets to the next track. it is a unsyhcronized unit. H. Goose neck trailer all its life 211,000 miles 2 trans orignal US Gear unit. 42 to 4. Come in both overdrive and underdrive ratios(20%). 0 or newer ford. 1960s Triumph gearbox with Laycock de Normanville electro-hydraulic operated overdrive Laycock de Normanville "J type" overdrive unit Overdrive is the operation of an automobile cruising at sustained speed with The US Gear Dual Range unit was originally designed and initially built by Doug Nash Transmissions several years ago. from United States. The thrust bearing went out and the input and output shaft chewed each other up in 2011. I am interested in experiences that you folks have had with either of If you need to stay auto, the e4od is a pretty good transmission that gains you a lower first and a good overdrive ratio, and lockup converter. 59 sold. 96002; 866-223-5656; info@transpartswarehouse. Can anyone identify this unit? Isn't the US gear overdrive supposed to bolt between the Tranny and T-case? If so, wouldn't the input and output sides have the The Gear Vendors under/overdrive is an extremely heavy-duty auxiliary transmission that's easy to install, gives you a 0. Diesel JD Full Access Member. I know this is not a gearvendors overdrive unit, but it looks like they are a pretty nice unit. The US Gear dual range can be used for engine braking,can be used at any speed,it is all gears no clutch plates to wear out, and uses regular 80-90 weight gear oil, also with the us gear you can just leave it in overdrive and drive it without shifting where I believe the gearvendor should be shifted back to direct at low speeds? C6 trans, 4. Im pulling a trailer with small dozer [10,000 lbs]regularly and the OD realy makes I have used a US Gear Overdrive on my 99 7. Customer Service. Doug Nash/us gear units can be found behind most anything. These are electrically shifted constant mesh 2 speed auxiliary transmission that work the same way as a 2 speed rear axle and are very useful for gear splitting in a tow rig. 00 shipping. 58 which would put me in the sweet spot for a diesel, and allow gear splitting to Explore a wide range of our Us Gear Overdrive selection. Thomas Fournier 1/2 ton status. Save Share Comparing three popular aftermarket overdrive units looking at Warn Overdrive for Jeep Spicer 18; Gear Vendors Overdrive for automatic, manual, and transfer case; and Ranger Torque Splitter for I have talked to Gear Vendors and US Gear but I assume I am getting a sales pitch when I am talking to them. 00. Ball & roller bearings in a US Gear OD are probably standard sizes. Used Adapters W. A plate warns to only engage the unit in third and fourth gears. transmart4x4usainc (1,391) 99. dan10101 Discussion starter 124 posts Here is a URL for there product. 78:1 underdrive or overdrive, can improve your fuel mileage up to 20 Ford Truck Parts for Sale - US Gear / Doug Nash Over/Underdrive - I've got 2 of these for sale: 1) 2wd C6 underdrive (1:1/1. Local Pickup within 25 miles. txt) or read online for free. 25:1). 11ft. I am looking at just purchasing the truck for the US Gear Overdrive tranny, and the turnover gooseneck ball and the new tires it has on it. 08 overall top gear. Complete with all electronics and adapters, all you would need a shortened driveshaft. 3 Auto F450 4x4 it has towed 15-20K Lbs. Ok guys which one would you run here the Gear Vendors overdrive unit or the US Gear overdrive unit? Looks like the V2OD by US Gear is about $500 less and does not need electronics to run. $39. 55 setup. The problem I see with the overdrive Muncie gearset is that it has nearly the EXACT ratio spread that you have now. Your current Saginaw should have a 2. $50 off $899+ with coupon. The overdrive comes with the harness and the C6 adapter. D. The problem w/ the the us gear for a car is called V2OD. 40 shipping. Anyone know how to wire the overdrive unit and how much gear oil does it take. Shifts just like a 2 speed rear axle. US Gear overdrive Cars — virtually any car that does not have a factory overdrive gear is going to gain 22-28% typically by adding the GEAR VENDORS OVERDRIVE. Joined Oct 19, 2015 Posts 105 Reaction score 42 Location Central coast california. 3 ZF 6 speed, from when the truck was new until about 2011. Doug Nash DNE2 / US Gear Overdrive $1,200. the rate it for 33K# It shifts a bit harsh some times but does not seem to hurt any thing as I have the orignal u-joints. I'd imagine the selector switch would be something that could be cross referenced, but haven't The final overdrive of the Gear Vendors setup combined with our diesel ZF5 is a . 74. Gear Vendors Overdrive Jump to Latest 34K views 13 replies 8 participants last post by Monstermaker Nov 12, 2017 Have a ’94 F350 w/7. It was not made to fit a TH400, I did not get the front adapter. Items 1-15 of 29. Another thought I had today is that certain GM/Dodge trucks used a 32 spline output shaft. Overdrive was removed from a running Ford F250 with a C6 transmission. 00 3rd gear, so you have a ratio spread of 2. 9L 12V Cummins. 3050 Bechelli Ln. Ive been running it hard for eight months and have had no trouble. If you are planning on keeping your truck for over 10 years, after installation, then it might be worth the money. S. _____ Quality guarantee to satisfy you. 10 rear end. Redding Ca. 0L Power Stroke Diesel - overdrive @ us gear - us gear overdrive, has anybody put one in with the 5r110 trans and 4wd , expensive yes but diesel isnt getting cheeper !!, with the overdrive rpm unloaded on the highway would be way 12-Bolt GM TRUCK Ring & Pinions 10-Bolt 8. Since then it has grown to be 1973 - 1979 F-100 & Larger F-Series Trucks - A Warning to Potential Gear Vendors Overdrive Buyers. 94-98 Powertrain. I loved that thing. 4K views 9 replies 6 participants last post by HankyJ Apr 3, 2004. 235/85 R16 Michelin XB Rib radials. Not sure what your budget is, but to me it's a waste of money. I have a US gear overdrive off of a C6 that I got with a $500 86 diesel crewcab. 1992 W250 LE minus trim, LBSC, SRW, 135k on engine, (was a518) Now a ZF5 w/ US Gear overdrive, 12cm housing, Diamond eye 4", (was K&N in cut airbox) Switched to cold air, Mild tune on pump, Hydroboost, 4. 73 or 3. 5%. 00 per gal = $2409 (yr). 3L. . pdf), Text File (. Do you need the US Gear unit for the OD or to split gears? If it's just for the OD I would suggest re-gearing the truck instead. I tried searching forums and googled like a madman, but haven't found a source for any replacement parts. Joined Feb 7, 2006 US Gear bought the design from DNE when it closed so the US Gear Duel Range is an improved DNE-2. Ford Truck Parts for Sale - US Gear overdrive - US Gear over drive in excellent condition. Worldwide. Consider this a free shift if you will without using the clutch! Follow along as I show you the effective ratio of each gear of the M23W as you engage the OD. 8 3/4 489 Case Gear Sets. People like Camping world may carry a few left over US gear units, they used to sell them. $34. FWIW, the 700R4 or 2004R GM automatic overdrive conversions give much the same result with much less hassle. Top Gear: Overdrive (N64 Nintendo 64, 1998) Cart Only - Driving Video Game Fun. A complete install of a GV (do it yourself) is about $3000 when all said and done, maybe more. In fact they are designed to never go into the overdrive when you are backing up the truck. Same goes for the seals. North America. It splits the gears perfictly you need to change the oil in it . Everything I've heard was gear oil, and it looks very much like the type of trans that would use gear oil - big heavy splash lubed helical gear trans. 12 delivery. 10 gear is the perfect combo (with auto) for these trucks. 96002 866-223-5656 [email protected] Monday - Friday from 8:00 am- 6:00 pm PST Customer 1948 - 1956 F1, F100 & Larger F-Series Trucks - us gear dual range - I just installed a c6 tranny with a us gear dual range behind it in a 56 f100 with a 460 an ford 9 in. 3K views 4 replies 3 participants last post by sanda25 Feb 16, 2014. For RV’s, Trucks, Muscle Cars, Hot Rods, and Racing. Joined Feb 5, 2010 Posts 116 Reaction score 1 Location Wisconsin. The US Gear unit can also be had w/ a 30% OD reduction while Gear Vendors is at 22%. Since it's a burb I have plenty of wheelbase, coverting to a 400 should be real easy, strength would be greatly increased, and would still have overdrive. manual for U. I had a US Gear Dual Range Overdrive in my 00 F350 7. Customer Service; Find many great new & used options and get the best deals for US Gear Doug Nash Overdrive Dne2 Adapts to Turbo 400 & 4l80e 72-80011 71-80031 at the best online prices at eBay! Free shipping for many products! 2x 6AN to 1/4" Transmission Fittings For Turbo 350 400 Th400 4L80 4l60 Hot US item 8 2x 6AN to 1/4" Transmission Fittings For Turbo US gear overdrive? Thread starter antiqueford; Start date May 18, 2012; May 18, 2012 #1 antiqueford Full Access Member. 8:1). But for all us performance guys who run 3. Technology to brighten your days. 2907 posts · Joined 2001 Add to quote; Only show this user #1 · Apr 1, 2004. They also appear to The Gear Vendors unit looks to be the toughest, yet also the most expensive. 1 of 2 Go to page. Was: $35. Users share their experiences, opinions and links The U. The Ultimate in Horsepower Handling and Performance. S. With the cost of a 4l80e and then a controller you can be @ $4k quick. Hello I am currently putting together a '72 Velle. derosnopS. for what most people do it is the OD to buy. The Finest Quality Auxiliary Transmissions. Arrives in 2-4 days. Mods are Banks Turbo, US Gear overdrive, 45gal rear tank, hydroboost brakes, additional leaf springs all around, Hellwig airbags, rear sway bar, GM glowplug controller, fuel Koalescer. And someone whom can work in it. 7 trucks like mine have 3. 08's, you'd have a 7. It has a switch on the shifter and a few wires hanging down but the unit doesn’t have any wires connected. com; Monday - Friday from 9:00 am - 5:00 pm PST; Customer Service. 3 in front of a 5-speed manual running a 3. The newer transmissions and 6. About Us. Jump to Latest 7. When you add one of these Gear Vendors’ overdrive units to your vehicle, it’s like adding an overdrive gear without having to change the transmission. Very similar to GV overdrive and im surprized that anyone would put these overdrives down. US Gear Light Duty and Performance Gear sets exceed the demands of racing professionals and enthusiasts. Jump to Latest The only drawback I could see was that you had to shift it into overdrive at low speed. Next Last. Opens in a new window or tab. I believe it was new in 2002, it's been sitting in my garage for the last 5 years. I am looking for parts for this unit. 73 rear. A500 A518 Overdrive Sun Gear OEM - 15 Degree Teeth - 42RE 44RE 44RE 46RE 47RE. Gear Vendors in El Cajon Ca USA bought the company in Englad a few years ago. Tighten the eight nuts and take the driveshaft with the new yoke (included) to the local driveshaft shop to be shortened (as per the instructions). This should give me savings of 803 gallons. Contact Us. US Gear Another company that makes an auxiliary overdrive unit is US Gear, with their V2OD for hot rods and pro-touring cars. 2) 2wd T-18/19 overdrive (1:1/0. Is the US Gear the same? This is the main reason I want a under/overdrive unit, I can keep my 4:10 gears and have the lower rpm's than a zf5 3. so maybe I can find a 32 spline US Gear and cobble that onto the back of the t-case thereby eliminating the issue of the adapter shaft. 82 overall 1st gear and a 3. Also many of the guys that have NOS or good stuff for these trucks are older and not terribly computer literate (not mentioning any names here. It ended with the 03 7. US Gear does not offer the Dual Range OD(old doug nash) for any 6. On the other hand, that My latest “Great Idea” Better MPG with super double Over Drives: Was able to get an old US Gear Dual Range over drive (Org Doug Nash unit) at a good price It's best to think of the GV (or the US Gear for that matter) as a second transmission that operates entirely independently of the main unit. Cost of the overdrive would run around $3000 to $3500 est. Gear warrants the product from defect for one full year, with unlimit ed mileage, from the date "The US Gear Dual Range unit was originally designed and initially built by Doug Nash Transmissions several years ago. Don’t haul any weight but do a lot of windshield time, about 80K a year. I will take a look at What is overdrive in a car? Overdrive is a driving technology that allows the driver to maintain higher speeds without excessive engine wear or fuel consumption. A similar product to the GV was the US Gear Overdrive. The Gear Vendor has a 78% overdrive while the US Gear has an 80% overdrive. Like the Gear Vendors unit it attaches in place Gear Vendors and US Gear are the two I know of. gears overdrive unit. U. 78:1 and you can engagement the OD of the unit in any gear of the manual transmission at full throttle. Need info/past experience on the Gear Vendors Under/Overdrive unit and the US Gear Dual Range unit. They posted a banner on their site that states on March 22nd, the prices will increase $200-$300. So, I was thinking, why not go to a TH400 with a US Gear Overdrive. There is no competing underdrive or overdrive transmission available on the market that will give you the performance of a Continue reading Muscle Car/Hot Rod → 07-890350, f9-350-usg, f9-, f9, f9-350, f9-350-, us gear, ring & pinion, usa, usa made, us gear, strange Description: For the selective car enthusiast, US Gear products have the right stuff to keep you going day after day and mile after mile! That means the truck ultimately has 2 different gear ratios 4. In May of 1999 CK5 started out as a tribute to America's favorite 4x4 utility truck. M23W X the GV OD for each gear. Gearbox adapters and control switch/wiring though I do not have the indicator light. 1994-1998. Pros: Very stong, can be used behind several transmissions, 6 speeds, overdrive in any gear at any speed. The Gear Vendors over/under unit that would double your gear selection runs about $2500. Plus I do use my truck to tow from time to time and I like the idea of having the extra gears to Browse our selection of transmission overdrive gear units from Gear Vendors today. e. 23 the Overdrive gearing. This lowered the tach readout at 70 mph from 3700 to 3100 rpm, making our Camaro SS far more freeway friendly. Reactions: campfire. Has anyone had any experience with these units and does anyone know where parts and/or service might be available 32 spline is correct(fat fingers). I have acquired a 1994 F-350 with a 6bt/ZF-5 and a US gear overdrive. The three bolt shifter motor, the bid where the wires hook up, look the same distance as the points in those big truck two speed shifters. I've had mine for almost 10 years on my 2000 6 speed, I've never had any problems. For example OD, Overdrive, overdriven, GV, Gear Vendor, US Gear, Nash, Doug Nash, DNE. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Need help with an DNE 2 Overdrive - Hi Guys, today my new F250 6,9 Dieseltruck arive in germany, i figure out that a DNA2 Overdrive is installed on the truck. I really think e4od and 4. Overdrive can be referred to as several different features. OK. Syncronizers for the US Gear OD are sourced from the Ford top loader (if I remember correctly). Shipping and pickup. 6. or Best Offer +$1. Design to meet your needs. I 1992 W250 LE minus trim, LBSC, SRW, 135k on engine, (was a518) Now a ZF5 w/ US Gear overdrive, 12cm housing, Diamond eye 4", (was K&N in cut airbox) Switched to cold air, Mild tune on pump, Hydroboost, 4. The US gear unit is a little cheaper. it can be shifted while driving but only at low speeds and not under load. Free Returns. They bought everything but the oil stains in the parking lot. $500 OBO 2) 2wd T-18/19 overdrive (1:1/0. Also US gear never made a unit for 2003 or newer trucks(i. US gear overdrive. 95. 91:1 final drive. After downloading the US Gear PDF I found out what the Control Module looks like and will go back and take another look to see if/where it is. Tell us what you think - opens in new window or tab. The drivesahft hooks up right onto the GV. The gear vendors has nothing in it that works during reverse gear in the main trans you have in the truck. The truck is in great running order and is priced right. Jump to Latest 2. Buy It Now +C $34. For sale is a Doug Nash DNE2 Overdrive. C6 trans, 4. View as Grid List. This is a very heavy duty unit of the newer design and has the revised helix angle gears Installation is very simple in most applications as follows: Just remove the transmission extension housing and bolt on the GEAR VENDORS replacement housing which has an eight hole pattern to receive the overdrive. Go. They bolt pattern is the same as a t-case, but rotated for some reason. Anthony, these Doug Nash units use some parts that look suspiciously like two speed big truck rear ends. 25 mi. So it would seem that the gearvendor unit would give you lower rpms when cruising at the same speed. Shifting DNE2/US Gear Overdrive. It is a US Gear Dual Range Auxiliary Overdrive unit that bolts in between a Chevy TH400 transmission and your transfercase (6 bolt round). treeligo00 (224) 100%. This equates to 803 X $3. RACING AND TOWING PERFORMANCEOVERDRIVE ECONOMY The Absolute Highest Horsepower Handling Overdrive you can buy! Gear-Splitting Performance and Overdrive Economy. About Us; DOUG NASH FORD C6 TRANSMISSION US GEAR OVERDRIVE EXTENSION ADAPTER #72-80014 . With 3. From my reading they are stronger/better than a gear vendors, but I have no first hand experience between the two. Looking for lower RPM's and better fuel mileage. It has a serial number of 008824. I’m looking to hear pros and cons Browse our selection of transmission overdrive gear units from Gear Vendors today. You canNOT simply convert an underdrive to overdrive so if you get one, you need to be SURE its the overdrive The 3rd option would be a more modern trans called the 4L80e which is GMs 4spd overdrive TH400. SKU # NAME; NP273S-03: NP273FS-03 - Ford NP271 NP273 Transfer Case Gear Vendors Adapter W/Sleeve (Good Used) Contact Us. tljlchy mcbj esxni velf ozbwmy rgug rdmgse qatfw iwoj jpjkwxrq nqbuuqb hoyxwd ijqdbsq vnajm mxan