Nv4500 overdrive ratio

What are the NV design specifications?

The NV transmission was the highlight of this new venture. Featuring a granny low first gear coupled with a fifth gear overdrive, the stout NV is truly the best of both worlds. First introduced in , the NV is a constant mesh helical geared, heavy duty 5 speed transmission. All forward gears are fully synchronized. The initial Dodge version offered a synchronized reverse. The transmission case is cast iron with an aluminum top cover.

Nv4500 overdrive ratio

Log in. Sign up. Home Forums 1st Gen Dodge 5. March's Cummins of the Month is now open for entries! JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. However, I opened up the trans and the yayhoo who had it before me welded the 5th gear nut to the main shaft and then grenaded the 5th gear on the main and counter shaft. While looking for new gears I found they offer a few different ratios.. Do any of you know how much of a difference is between the 6. I do daily drive the truck, but I also tow around 10k with it on the weekends so id like a good ratio for my application. Sort by Oldest first Oldest first Newest first Most reactions. Pretty sure all NV's have the same OD 5th gear ratio

InDodge discontinued the 23 spline output shaft on the gas version NV, and all Dodge transmissions standardized to 29 spline.

The NV or New Venture Gear is a heavy-duty, manual shift, five-speed overdrive, longitudinally positioned transmission. It was introduced into Dodge trucks in Though it has it roots as the New Process four-speed beginning as early as in Dodge trucks, its current incarnation as we know it today is quite different. The NV is a top loading five-speed transmission with a cast iron case, aluminum top cover and dual PTO ports. It features all helical gears, and is fully synchronized. The NV has a case length of GM 4wd versions featured an extension housing length of 6.

The NV transmission is a heavy duty 5-speed that saw use in a number of Chrysler and GM trucks from — After joining forces, this new joint transmission company created a number of gearboxes that were shared between the two automotive giants. The NV was one of their first transmissions, and it was good enough to remain in production for almost 20 years. The NV transmission is a heavy duty 5-speed manual gearbox that features a granny low first gear, with a fuel saving overdriven 5th gear. It has a constant mesh helical gear arrangement, and all forward gears are fully synchronized. Reverse gear was not initially synchronized, however later versions are. The transmission case is made from cast-iron, with an aluminum top cover and dual PTO ports.

Nv4500 overdrive ratio

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Due to the interchangeability of other NV components, we also recommend that you verify the following information: Starting at the front, this GM transmission should have an input shaft pilot tip diameter of. If you want a beefed up init sounds like it you will need a core anyway. New Venture Gear Case Length Shipping, Tax, Return Info. Also might be the year the better top cover and shift tower came around. Castrol Syntorq synthetic 75W GL-4 or equivalent specification details in next section below Lubricants that meet the Syntorq spec include:. The NV 5 speed manual transmission is primarily a New Process Gear design that was assembled at the Muncie Transmission plant from late to mid Last edited: Apr 19, Pretty sure it was a couple years later for sync'd reverse. This input shaft cannot be interchanged with any other NV input shafts other than transmissions with the same 1st gear ratio unless you change the counter drive gear also. Sign up. The and Chevy versions have a lower first gear of 6.

Installing the NV Overdrive Transmission. By CeetWarrior.

Most bellhousing adapters for this transmission will either retain this stock retainer as it is or may require some machining on it. The stock pilot bearings used by Dodge and GM are needle bearings. This input shaft can be interchanged with other NV input shafts with this 5. GM 4wd versions featured an extension housing length of 6. The initial Dodge version offered a synchronized reverse. This is 1 of the 3 that make up the synchro. If you obtain a Heavy-Duty transmission, you will be required to change the tailhousing and output shaft to components from an earlier Heavy-Duty Dodge 2WD if you wish to have a working speedometer. As time and trial have shaken things down, the NV trend is now seen by serious 4wd powertrain aficionados as a prime example of herd instinct. They are interchangeable, so dont let that be a limiting factor. Share Share.