Suspension Explained

Up BUILD TEAM CAR SHOW Horsfall1 Horsfall2 FUNDRAISER CAUGHT in the ACT LIVE BUILDCAM JAN/FEB MARCH/APRIL MAY JUNE ALIVE SHAKEDOWN 1 ENGINE Electrical 1 Electrical 2 CHASSIS FAB FLOOR Suspension Explained CHASSIS arrival REAR SUSPENSION REAR CAGE JAXWORKS SEATS Steering DRIVETRAIN SHOCKS TRANSAXLE LIGHTS PANELS WHEELS/TIRES APRIL 19 2010 Trailer Build Template

not to scale
drawn relative to placement and chassis geometry.

Width between center of rear tires equal to width between front tires
In our case the distance is 75 inches

Thank you Jaxworks Allen Cox and Russ Mathis for teaching us how to do this
Rear pivots line up to point at either the differential or a central part on the transaxle (also known as the THIRD member)
DRAWING BY THE HONKERSHOP
Transaxle on a rail/buggy is moved toward the front for weight and to allow the axle to swing  in an arc matching the Camber of the rear arms (about 5 degrees)
A straight line off the steering arm of the
spindle points to the same point on the trans that the rear pivots point at.
Steering arm length is determined by how much response you require in your steering wheel--shorter arms turn faster

Front spindle to rear axle length should be the same on both sides and camber set equal before adjusting toe in/out, set rear toe first

Bump steer can be eliminated or at least minimized by making sure all the arms and tie rods are parallel and the inner heim joins line up

Upper and Lower Control
arms are parallel in all axis.. the EYE does not LIE
  • Vertical (looking down)
  • Horizontal (looking back)

Tie rods match angle of
control arms(parallel)

Shocks are to be placed 1/3 the distance between the front and rear upper control arm mounting points

if a shock leans in at 45 degrees... the wheel moves
2 inches for every 1 inch of shock movement. 
18 inches of travel is possible with a 10 inch shock

Vertical distance between control arm mounting points is determined by the spindle height (heim to heim)

 

 

 

Control arm attachment points line up with rack mounting points
and intersect on the center line of the chassis

 

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last modified 07/21/2010

BY MRC

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