Honda Acura NSX 1991 Service Manual page 11

Service Precautions
Handling of Special Nuts and Bolts -
Because many sections on this car are constructed with
aluminum alloys, use only the special "Dacro" type
nuts and bolts recommended by Acura.
NOTE:
the thread section of the bolt for easier applica-
tion. This type of bolt is called a "Torquer" bolt.
electrolysis and corrosion, which in turn could
cause the bolt to loosen.
G r a
Gray plating: "Dacro" type
Gray plating + Green coating on the threads:
"Torquer" type
When replacing nuts and bolts, use only the same
Tighten the nuts and bolts with a torque wrench to
2.
the specifications provided in this manual.
Clean all thread ridges with a non wire type bristle
3.
brush. Foreign matter in the threads may cause the
bolt to loosen.
Sections on this car requiring the use Dacro nuts
4.
and bolts will be indicated by a (a) in this manual.
I - I O
Green boating
on the threads
wheels are 15" in.'diameter and the rear wheels
16" in. so they cannot be rotated front-to-rear. .
original-equipment tires on NSX have a unidirectic
tread pattern, so they cannot be rotated side-to-si
from the rim.