FAQ: How To Measure The Length Of Rear Coilover Shocks For A Road Car?

How do you measure coilover shocks?

At full bump, measure from where you will be mounting the bottom of the shock on the axle, to where you will mount the top of the shock. Now add 1 ″ to the overall length of that measurement. This extra 1″ will make up for the 5/8″ bumper stop on the shock shaft, and the 3/8″ of extra shaft showing.

How do you measure coilover springs?

How to Measure a Compression Spring

  1. Measure the spring wire diameter, preferably to 3 decimal places for accuracy using calipers.
  2. Measure the outside diameter of the coils.
  3. Measure the length in its free condition (uncompressed).
  4. Count the number of coils.
  5. Note the winding direction of the coils.

How is RC shock length measured?

Length Counts Use a calliper and measure between the hole in the shock cap and the ball cup. Measuring the overall length can give wrong results as you might have flash on the ball cups that add to the overall length.

How do I measure for shocks?

A shock is measured by its extended and collapsed lengths, and is measured from the center of the loop mount or the base of the stud mount. To get the extended length of a shock, remove it from the vehicle and allow it to expand on its own or pull it to the fully extended position and take a measurement.

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Which is better coilovers or shocks?

Indeed, coilovers offer better stability on the track, but you will prefer standard suspension or lowered springs at best when you are driving on the street. Coilover shocks are done to be stiffer in order to increase performance and stability.

Can you increase rear shock travel?

You can get a longer shock, offset bushings or modified linkages. You can very easily run into “packaging” issues. Through the full range of that extended travel you can get rear tire rubbing or linkages contacting the frame.

How much travel does my rear shock have?

Stroke travel: This is how much a rear shock compresses. It is comparatively short: 1.5” to 3”. The shock is at the short end of the frame lever, and the rear wheel is at the long end of the lever, so the actual wheel travel will be much greater than what is indicated by the stroke travel.

What is spring rate formula?

To calculate the compression spring rate of this spring, divide the load of 20 pounds by the distance traveled of 2”. The compression spring rate calculated will be of 10 pounds of force per inch. k = L ÷ T. k = 20 ÷ 2. k = 10 lbf/ in.

What’s better coilovers or lowering springs?

Unlike lowering springs, coilovers offer a much greater range of adjustability including ride height, spring pre-load, shock damping, and rebound. Typically, coilover sets feature even stiffer spring rates than a set of lowering springs alone, again sacrificing ride quality for cornering performance.

How do you read a spring rate?

Most commonly seen is a spring rate given in KG/mm or LBS/in. This means the weighted force / the space traveled. For example, 700LB/in would mean 700 pounds will compress that spring 1”. This can also be read as 12.5K/mm (12.5kg to compress spring 25mm).

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How do RC shocks work?

Probably the most important handling feature, the shocks control the damping of the vehicle on any given surface. Also called Dampers, the Shocks purpose is to dampen the movements of the spring. They also affect handling conditions during cornering. Too stiff, and they can cause harshness and a bumpy ride.

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