SPECIAL PLUG TORQUE SPECIFICATIONS
APPLICATION
* PLUG
ASSEMBLY
Oil gallery plug . . . 3/8 " Dryseal PTF thread
†Assemble with
max. 0.0625 " protrusion from
surface
Cylinder head (side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/8-16 "
Assemble flush
to 0.0625 " protrusion from
surface
Cylinder head (top) . . . . . . . . . . . . 1/2 "PTF-SAE short
Flush to 1.1250
" recessed
Cylinder head (end) . .3/4 " Dryseal PTF-SAE short
Flush to 0.1250
" recessed
Water hole plug . . . . . . . . . . . . . 1 " NPTF thread
Assemble 2.000 " to 2.250 " below machined
surface
Core hole plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3/4 "-16
150-180 lb-ft (204-244 Nm) torque
Oil drain plug (Nylon washer) . . . . . . . . . . . . . . . . . . 18mm
25-35 lb-ft (34-37 Nm) torque
*Apply sealing compound to plugs used without gaskets or teflon.
†After installation, a 1.2187 " diameter rod inserted in oil line must pass inner face of plug.
STUD TORQUE SPECIFICATIONS
APPLICATION
TORQUE
TORQUE
HEIGHT
(lb-ft)
(.0312 ")
(Nm)
Cylinder head stud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
75 min.
102 min.
4.3750 "
Main bearing stud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.0000 "
47-95
35-70
--
25-40
34-54
Exhaust manifold stud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--
14-34
10-25
Injector clamp stud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--
10-25
14-34
Water manifold stud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPRING SPECIFICATIONS
REPLACE WHEN LOAD
SPRING
IS LESS THAN:
172
lbs.@2.1250
"
Cam follower (11 coils - .177 " wire) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cam follower (11 l/2 coils - .162 "wire) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
133
lbs.@2.1094
"
25
lbs.@2.2000
"
Exhaust valve (two-valve cylinder head) . . . . . . . . . . . . . . . . . . . . . . . .
79
lbs@1.4160
"
Exhaust valve and bridge guide (9 3/4 coils - .135 "wire) (former)
Exhaust valve (8 3/4 coils - .148 " wire) (current) . . . . . . . . . . . . . . . . . . . . . .
25
Ibs.@1.8000
"