Speedmart Tech Support
SUSPENSION CLEARANCE
Always check the clearance on all suspension arms, shocks and springs through the entire range of travel. The extra clearance through the entire range of travel could mean the difference in being competitive after contact with another car or a DNF due to a bent suspension component.
SPACING
Always check the clearance on all suspension arms, shocks and springs In the event that you need to space the shock away from the mounting bracket to gain clearance, then use a small diameter spacer. If you space the shock with a nut or washers, they could hit the shock bearing or loop as it goes through suspension travel.
BEARING MAINTENANCE
The shock bearings that do not have a nyloy race should have penetrating oil applied and then worked by hand for regular maintenance. Wipe the excess oil from the bearing when you are finished so that it does not collect dirt.
BINDING
STUD MOUNT
Always check for binding when you mount a stock-type stud mount shock. The mount opposite the stud mount should be installed first and tightened. If the stud mount is contacting the side of the mounting hole, then you will need to elongate the hole. The stud should not be hitting any part of the upper mounting hole. This would cause it to bind in the mounting.
DENTED BODIES
GENERAL MAINTENANCE
Some QA1 shocks are designed to be repairable, rebuildable and revalveable by the racer, while others are designed to be serviced by QA1 authorized service centers. While QA1 shocks are designed to be run on dirt or asphalt, it is still important to keep dirt and debris out of the shock absorber as much as possible. To do so, wipe down the piston rod regularly and, if needed, cover the shock with tubing (see frequently asked questions). QA1 shocks are also designed to be and will need to be checked and replaced or repaired as needed.
Other brands must be repaired by the manufacturer, and we would be happy to assist you in sending them off for accurate and timely repair.
LIMIT STRAPS
The modern dirt track car relies on large amounts of extension travel on the left side of the car. Using the shock as a travel limiter can be extremely hard on the internal components of the shock. Adding a simple limit strap can significantly reduce the wear and tear on your shock absorbers.
MEASURING RIDE HEIGHT
Compressed and extended mounting lengths are measured from the center of loops and/or shock shaft/stud shoulders. If the measurements are taken from mounting surface to mounting surface, subtract 5/8” for each shaft/stud end. The preferred measurement in most cases is taken with the car sitting on the ground as ready to go. If initially setting up the chassis, simulate the approximate ride height (stance) before measuring.
FLAT TRACKS
When changing to a more flat track, utilizing slightly stiffer rebound on the left side, while softening the rebound on the right side, will generally enhance the handling of the car.
SHORT TRACKS
When changing to a shorter track, softer valvings all around usually will improve handling.
HIGH BANKED TRACKS
When changing to a track with a higher degree of banking, stiffer valvings should improve handling.