1975 Datsun 280z FSM - Spooled up Racing

Wheel and Tire
WHEEL AND TIRE
CONTENTS
DESCRIPTION
MAINTENANCE AND SERVICE
TIRE INFLATION
TUBELESS TIRE REPAIR . ..
WHEEL REPAIR
WEAR
WT-2" RADIAL TIRE WT-3
WT-2 TIRE ROTATION WT-3
WT-2 INSPECTION WT-3
WT-2 WHEEL BALANCE WT-3
WT-3 WHEEL AND TIRE •. . . WT-4
WT-3
DESCRIPTION
This model series cars have 14-inch
diameter wheels with five bolts securing
on 114.3 mm (4.50 in) bolt
circle. The wheel size for tires is a
5J-14 with at 15 mm (0.95 in) offset.
Tire size
Standard
Optional
Tire pressure
Tire size
175HR-14
(Tubeless)
Under 160 km/h
(100 MPH)
Over 160 km/h
(100 MPH)
195/70VR14
Wheel size
5J-14
175HR-14
195/70VR14
2.0 kg/cm 2
(28 psi)
2.3 kg/cm 2
(32 psi)
center tread or shoulder of tire.
If all tires are inspected frequently
and given correct pressure, it is possible
to detect sharp material in the
tread. Also, the above check avoids
abnormal wear inviting serious damage.
If tires indicate abnormal or uneven
wear, the cause of damage should
be detected and eliminated.
After inflating tires, leakage in valve
should be checked. Without valve caps,
leakage will occur due to dirt and
water, resulting in underinflation. Accordingly,
whenever tire pressure is
checked, be sure to tighten valve caps
firmly by hand.
TUBELESS TIRE REPAIR
In order to inspect a leak, apply
soapy solution to tire or submerge tire
and wheel in the water, after inflating
tire to specified pressure. Special
inspection for leaks should be carried
out around the valve, wheel rim and
along the tread. Exercise care to bead
and rim where leakage occurs. Wipe
out water from area which leaks air
bubbles and then mark the place with
chalk.
After removing the materials which
caused puncture, seal the point to
avoid damage to the tire due to entrance
of dirt and water. When repairing
the punctured tire, use the tire
repair kits which are furnished from
tire dealers, following the instructions
provided with the kits. In case that a
puncture becomes large or there is any
other damage to the tire fabric, the
repair must be carried out by authorized
tire dealers.
Note: The tire inflation pressures
should be measured under tire cold
condition.
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MAINTENANCE AND
SERVICE
TIRE INFLATION
Correct tire pressure is very important
to ease of steering and riding
comfort. This also reduces driving
sound to a minimum, resulting in
longer tire life; that is, overinflation or
underinflation promotes the wear at
Toe-in or toe-out wear
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Underinflation wear
WT-2
Overinflation wear
I: I'MIH
111 i 111 m >na
Uneven wear
WT004
Fig. WT-1 Abnormal tire wear