johnny v
05-11-2014, 07:17 AM
anyone have any idea what the last sentence in this Harris set up sheet on pull bar tubes means ?? never heard of " 4 inch rear end extensions ">>>>>>
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• 1 Way – Adjust ¾” nylcok jam nut until 1 15/16” of the treaded shaft is exposed.
Preload spring ¼” by adjusting (3) 5/16” preload adjuster locking nuts that contact the
front spring plate. The unit uses an 18” swedge tube.
• 2 Stage – Aluminum adjuster nut for setting the travel on the inner biscuits need to be
adjusted 3/8” from the back plate. Preload spring ¼” by adjusting (3) 5/16” preload
adjuster locking nuts that contact the front spring plate. Progressive spring needs to be
preloaded ¾”. This unit uses a 16” swedge tube.
• 3 Stage – same as 2 stage. This unit uses a 14” swedge tube.
• 2 Biscuit – preload 1/8” This unit uses a 16” swedge tube.
• 3 Biscuit – preload 1/8” This unit uses a 14” swedge tube.
• Spring recommendations – 1200lbs or progressive IMCA or without a spoiler. 1450
for USMTS or with a spoiler.
* Swedge tube lengths are for the 4” rear end extensions.
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• 1 Way – Adjust ¾” nylcok jam nut until 1 15/16” of the treaded shaft is exposed.
Preload spring ¼” by adjusting (3) 5/16” preload adjuster locking nuts that contact the
front spring plate. The unit uses an 18” swedge tube.
• 2 Stage – Aluminum adjuster nut for setting the travel on the inner biscuits need to be
adjusted 3/8” from the back plate. Preload spring ¼” by adjusting (3) 5/16” preload
adjuster locking nuts that contact the front spring plate. Progressive spring needs to be
preloaded ¾”. This unit uses a 16” swedge tube.
• 3 Stage – same as 2 stage. This unit uses a 14” swedge tube.
• 2 Biscuit – preload 1/8” This unit uses a 16” swedge tube.
• 3 Biscuit – preload 1/8” This unit uses a 14” swedge tube.
• Spring recommendations – 1200lbs or progressive IMCA or without a spoiler. 1450
for USMTS or with a spoiler.
* Swedge tube lengths are for the 4” rear end extensions.