K021 Instructions v1.0
Tuning
Page
76
More anti-squat will generally take away rear side bite, add forward bite, and let the car
spring more off jumps, generating a higher arc in the air. A car with more anti-squat will
‘rotate’ easier in sharp corners. Less anti-squat will make the car feel more stable and
locked-in. Generally anti-squat is a “feel” adjustment, changing the way the car drives
more than the fastest lap. It’s another set-up change that’s really quick and easy to do,
so have a play with it and see what you like best.
REAR WHEELBASE
The wheelbase of your X – 6 Squared can be adjusted by moving the shims on the
inner or outer rear hinge pins. As the pins are parallel to each other, moving the arm or
the hub carrier by the same amount will have the same effect.
Moving the hub carrier forward increases rear traction in two ways: Primarily you are
adding more ‘angle’ to the driveshaft, so there’s more scrub between the dog bone and
the outdrive as well as in the CVD joint. All this friction locks in the rear end and creates
traction. Moving the hub carrier forward also increases the percentage of weight on the
rear tires, further increasing bite.
Moving the hub carriers back is probably the easiest way to add steering and corner
speed to the X – 6 Squared. It’s one of the most commonly used adjustments for UK
Champion Ellis Stafford. Moving the hub carrier or arm back some will increase
steering throughout the corner. It also makes the car more stable in bumps, and
because the driveshaft isn’t as bound up, the car will “pop” better over jumps.
TRANSMISSION HEIGHT
The X – 6 Squared features X Factory’s adjustable-height transmission. While not the
easiest adjustment, it’s a very powerful tuning tool to adapt the car to different surfaces.
Included in Bag E (step E11) are several sets of transmission shims, four each of .030”
(silver), .060” (gold), .090” (black), and .120” (green). Counting zero, that’s five
transmission height positions. When you change transmission height, make sure to re-
check rear ride-height (remember the race preparation list?). Keeping the ride height
the same will allow you to feel the isolated effect of the transmission height.
Important Note:
For settings above .060”, you’ll want to shim up the motor plate support.
We generally use #4 flat washers for this. Also, as you adjust the transmission height
keep an eye on the driveshafts’ position in the outdrive: use the small shims added in
