Steering Box Ratio

After 1976 all gm power steering boxes were changed to a smaller 3 4 inch input shaft with 30.

Steering box ratio.

36 spline input shaft each 3 part number. As with all borgeson. Steering ratio refers to the ratio between the turn of the steering wheel or handlebars and the turn of the wheels. In motorcycles delta tricycles and bicycles the steering ratio is always 1 1 because the steering wheel is fixed to the front wheel.

The steering ratio is the ratio of the number of degrees of turn of the steering wheel to the number of degrees the wheel turn as a result. Steering ratio is the ratio of the turn of the steering wheel to the turn of the wheels. A steering ratio of x y means that a turn of the steering wheel x degree causes the wheel to turn y degree. This super easy steering effort also means that you have very little road feel and can feel twitchy at high speeds.

For example if the steering wheel is turned 10 degrees and the front wheels turn only 1 degree then the steering ratio will be 10 1 generally heavier vehicles have higher steering ratio. Our most common gearbox ratio valve weight pairings are listed below. Steering box saginaw 525 manual front steer 16 1 ratio cast iron 3 4 in. When upgrading to a faster ratio power steering gearbox it is highly recommended to increase the valve weight to match your application.

The standard 17 5 1 steering ratio four turns lock to lock was used on these units through the 1960s but a more responsive 14 4 1 ratio 31 2 turns lock to lock became the normal power steering ratio in 1970 on the full size models. The 14 4 1 ratio replaced the earlier 17 5 1 ratio completely by 1973 for all body styles. You will notice a dramatic improvement in response road feel and driving pleasure without losing valuable turning radius.