![]() The hoses should be replaced if they are brittle, leaking or are more than 10 years old. If your power steering pump is leaking or more than 10 years old, we recommend rebuilding your current power steering pump. Should I replace my power steering pump & hoses? No, the installation of our “fast ratio” conversion WILL NOT decrease your turning radius. Late model light trucks through 1989 & later will be 3 turns or a little less. Light trucks will generally be from 3.25 to 3.5 turns lock to lock with a 16/13:1 conversion. Generally, depending on the car’s need for internal stops, between 2.5 to 3 turns (lock to lock). How many turns, lock to lock, will I have if I have the "fast ratio" conversion done to my car or truck? The cars with 16/13:1 ratios turned from 3.50 turns lock to lock to 3 turns lock to lock. Those that came with 20:1 ratios, turn a full 4 to 4.25 turns lock to lock. Some of the exceptions were the 1969 Camaro and some full size Pontiacs that had the popular 16/13:1 variable ratio power gearbox. In the 1960’s, GM used, almost exclusively, a 20:1 ratio power steering gear in most of their cars. What is a "fast ratio" and what is a "slow ratio"? This will greatly enhance the car’s driveability, handling, and ability to avoid road hazards. This will give you a 12.7:1 ratio and bring your car from lock to lock in 3 turns or less, depending on your car’s application. factory quick-ratio worm gear and power piston in your gearbox as it is rebuilt. With our quick-ratio conversion, we install an O.E. This means that correcting quickly in a curve or taking evasive maneuvers to avoid an accident or road hazard takes longer with a slower turning ratio. Not only does it take more turns of the steering wheel to turn the wheels, it also takes more turns of the steering wheel to correct the direction of the car. This slow turning ratio was most noticeable when parking or negotiating curves. It took as many as 4 to 4½ turns of the steering wheel to get the wheels to turn from extreme right to extreme left. Many of the conversions apply to Dodge pickup trucks, Jeeps, S10s, Blazers, Chevy pickup trucks and others What is a quick-ratio conversion and why would I want one?ĭuring the 1960s and 1970s, GM installed power steering gearboxes in their “A” and “F” body cars that had a very slow turning ratio. These are some of the questions frequently receive from customers about the fast ratio conversion on 60’s, 70’s GM & AMC cars and trucks. ![]()
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