What is a GMC R3500?
The GMC R3500 pickup is a one-ton, two-wheel drive pickup truck designed to do all the heavy lifting and load bearing. It was manufactured between 1987 and 1991. When you do the maintenance on your R3500, you want to make sure that you replace worn out parts with genuine OEM parts made for your truck.
What was the gear ratio on a 1987 GMC Truck?
GMC offered a four-speed manual on half-ton to 1-ton truck models with a gear ratio of 6.55, 3.58, 1.70 and 1-to-1 on those models. The four-speed automatic and the four-speed manual transmission with overdrive was available on the half-ton and three-quarters ton truck models with a gear ratio of 3.06, 1.63, 1.0 and 0.7-to-1 in 1987.
What kind of engine did a GMC Truck have in 1987?
1987 regular production options (RPO) of GMC trucks had a V-8 engine with a displacement of 454 cubic inches and was capable of 230 horsepower.
What kind of case did GMC have in 1987?
In 1987, two different transfer cases were available. The NP 205 was a gear driven cast iron case. The NP 205 has a low ratio of 1.96-to-1 and a high ratio of 1-to-1. The NP 208 is an aluminum case chain driven unit with a low ratio of 2.61-to-1 and a high ratio of 1-to-1.
GMC offered a four-speed manual on half-ton to 1-ton truck models with a gear ratio of 6.55, 3.58, 1.70 and 1-to-1 on those models. The four-speed automatic and the four-speed manual transmission with overdrive was available on the half-ton and three-quarters ton truck models with a gear ratio of 3.06, 1.63, 1.0 and 0.7-to-1 in 1987.
1987 regular production options (RPO) of GMC trucks had a V-8 engine with a displacement of 454 cubic inches and was capable of 230 horsepower.
In 1987, two different transfer cases were available. The NP 205 was a gear driven cast iron case. The NP 205 has a low ratio of 1.96-to-1 and a high ratio of 1-to-1. The NP 208 is an aluminum case chain driven unit with a low ratio of 2.61-to-1 and a high ratio of 1-to-1.