4-BAR ADJUSTMENT GUIDE

Problem / Adjustment

Tight on Entry

Loose on Entry

Tight in Middle

Loose in Middle

Tight on Exit

Loose on Exit

LF Spring

Soften

Stiffen

-

-

-

-

RF Spring

Stiffen

Soften

-

-

Soften

Stiffen

LR Spring

Stiffen

Soften

-

-

Soften

Stiffen

RR Spring

Soften

Stiffen

-

-

Stiffen

Soften

LF Shock

Less Comp.

More Comp.

More Rebound

Less Rebound

More Rebound

Less Rebound

RF Shock

More Comp.

Less Comp.

More Comp.

Less Comp.

More Rebound

Less Rebound

LR Shock

More Rebound

Less Rebound

More Rebound

Less Rebound

More Comp.

Less Comp.

RR Shock

More Comp.

Less Comp.

More Comp.

More Rebound

More Comp.

Less Comp.

Panhard Bar @ Pinion

Raise

Lower

Raise

Lower

-

-

Panhard Bar @ Frame

Lower

Raise

Lower

Raise

-

-

LR Top Rod Frame

-

-

Lower

Raise

Lower

Raise

LR Top Rod - B/C

-

-

-

-

Raise

Lower

LR Bottom Rod

Raise

Lower

-

-

Raise

Lower

RR Top Rod

Lower

Raise

-

-

Raise

Lower

RR Bottom Rod

Raise

Lower

-

-

Raise

Lower

Ballast Height

Lower

Raise

Lower

Raise

Lower

Raise

Left Side%

Increase

Decrease

Increase

Decrease

Decrease

Increase

Rear %

Decrease

Increase

Increase

Decrease

Decrease

Increase

  Diagonal / Wedge

Increase

Decrease

Decrease

Increase

Decrease

Increase

RR Wheelbase

Lengthen Right Side

Shorten Right Side

Lengthen Right Side

Shorten Right Side

Lengthen Right Side

Shorten Right Side

Rap Up Shock

Lower @ Frame

Raise @ Frame

-

-

-

-

Air Pressure

Increase RR

Decrease RR

Increase RR

Decrease RR

Increase RR

Decrease RR

NOTES:
1. Keep in mind when making adjustment that almost any change is a compromise.

2. Make changes in one area at a time to understand results.