Identification of this transmission can be obtained by using the identification charts in this manual. These transmissions use a GM internal release bearing. The new bolt pattern and index are the same as the Dodge Standard Duty NV4500. Chevy once again changed the bellhousing-to-transmission bolt pattern and went to a larger bellhousing index diameter. This transmission has the same gear ratio as the 1995 version (1st 5.61:1 2nd 3.04:1 3rd 1.67:1 4th 1:1 ratio, and a 27% overdrive). Most transfer case adapters for this transmission will require the replacement of the tailhousing and the shortening of the output shaft. The rear of this transmission has an aluminum adapter housing which measures 8-1/8” long and the output shaft is 32 spline.
The shifter stud on the top cover is a male threaded connection. The front bearing retainer index is 5.125”, with a snout diameter of 1.373”, and a front bolt pattern as above. This input shaft can be interchanged with other NV4500 input shafts with this 5.61 1st gear ratio. The spline of the input is 1-1/8” diameter 10 spline and protrudes approximately 6-5/8” from the face of the transmission. Due to the interchangeability of other NV4500 components, we also recommend that you verify the following information: Starting at the front, this GM transmission should have a input shaft pilot tip diameter of. The noise and shifting problems had been corrected. This transmission is identical to the 1993-94 transmission, except the 1st gear ratio had been changed to 5.61:1 2nd 3.04:1 3rd 1.67:1 4th 1:1 ratio, and a 27% overdrive. This transmission cannot be used with a Ford engine.
The front bearing retainer index is 5.125”, with a snout diameter of 1.373”, and a front bolt pattern as shown. This input shaft cannot be interchanged with any other NV4500 input shafts other than transmissions with the same 1st gear ratio unless you change the counter drive gear also. Starting at the front, this GM transmission should have a input shaft pilot tip diameter of. Due to the interchangeability of other NV4500 components, we also recommend that you verify the following information. The major complaint of this 5 speed was stiff shifting and noise in 3rd gear. GM, however, only produced this particular ratio during these years. This transmission is ideal when converting your vehicle, providing an ultra-low 1st gear. It was also the first year that Chevy changed the bellhousing-to-transmission bolt pattern. Dodge ID Tag GM ID TAGĭuring the first two years of the NV4500, Chevy offered this 5 speed with a 6.34:1 1st gear 2nd 3.44:1 3rd 1.71:1 4th 1:1 ratio, and a 27% overdrive. Since we use various transmission configurations for the different types of transfer case & bellhousing adapters, be sure to examine the application for your particular conversion before finalizing the purchase of a NV4500. The information on this tag is essential for ordering the correct replacement parts. The tag provides the transmission model number, build date, and part number. The NV4500 transmission identification tag is attached to the shifter top cover. NV4500 Transmission Identification TRANSMISSION IDENTIFICATION Engine to Transmission Adapters (Bellhousings).
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