NP 208 Info

The New Process 208 is a chain driven, aluminum case and is considered to not be as strong as the 203 and 205 becasue of the chain. Some models used a slip yolk design where if the rear driveshaft is removed the oil will pour out of the tailhousing. 

Type: Chain-driven, aluminum case
Low-range ratio: 2.61:1
Weight (lb): 79
Lubricant: ATF
Length (in): 8.0 (GM); 15.5 (AMC)
Width (in.): 20.0
Height (in.): 5.0

Used by: Chevy, Ford, Dodge and Jeep

Chevy:
- 1980-91 Chevy Blazers and GMCJimmys
- 1981-87 Chevy and GMC K1500, K2500 and K3500 (optional) pickups

- The most common 208s were mated to the TH700-R4 and had a female 27 spline input gear. The TH400s were also used with the 208s and these had a stronger 32 spline input. With the manual tranny the spline count varied between 10 and 32. 

Ford:
- 1980-86 Ford F-150s, F250s (ex HDs) and Broncos

Dodge:
- 1980-84 Dodge Power Wagon W150s, W200s, W250s (except crew cabs)
- 1980-85 Dodge Ramchargers

Jeep: (used a left-side front output)
- 1982-84 Jeep pickups except J10s
- 1985-87 Jeep J10 and J20 pickups with automatics
- 1980-83 Jeep Cherokees and Wagoneers
- Jeep model 208s have the same spline and output-shaft size and bolt pattern as the Dana 300.