ENGINE MECHANICAL AND MOUNTS 6A- 29
Cooling System
-
Type
,._...___..___..___...........................
Liquid Cooling With Circulating Pump
Filler Cap Type
-
Pressure
_,._.,,._.,,...,,.........,..,.....,.,.................,,.........................
13.2-15.2 PSI
Water Temperature Control
._,..__,,._.,,__.,,...,.,.,,.,,.,,.,...............,,...,,,...
Thermostat and Bypass
Thermostat Open At
._,,.,,.......,__.,.........,,...,...,,..,.,,.,,......................................................
189 F.
Cooling System Capacity
. . . . . . . . . . . . .._...__..............,,.,,.,,..,...................................,,................
6 Qts.
Fan Drive
.,,...,,,....,,.,..,..,,........,..,,..,,,.............,..,,.,..,,.................,,...............
Water Pump Shaft
ENGINE DIMENSIONS AND FITS
Cylinder, Crankcase, Pistons, Cylinder Head, Valves
Cyg;te;
Bore Limits for Standard Size Pistons:
3.659-3.660 In.
Size 2
3.661-3.663 In.
Size 3
3.664-3.668 In.
Cylindey Bore Limits for Oversize Pistons,
.02
In.
Oversm
. .._............,..,,...,................................,,.,,.,,.........................................
3.679-3.681 In.
Max. Permissible Cylinder Bore Out-of-Roundness
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~
.OOO5
In.
Max. Permissible Cylinder Bore Taper
,..,
,.,,
,.,._,__.
,_,
,..
.__...
..__.
,__.
.____.
..__.
.._.
.0005 In.
Piston Clearance, Nominal (on skirt bottom)
_..__,,_.,.___.__.._...........,..........................
.0014
In.
No. 1 Compression Ring Side Clearance in
Piston Groove
,...,,,.,,,.,,...,__..........,,..,,...,,...,..,.,,.,,..,,..,,..,,..................,,,..,,,...,
.0024-.0034
In.
No. 2 Compression Ring Side Clearance in
Piston Groove
_..,,..,,,..,,..,,..,,....,.......,...,,,.,.,,,..,..,..,,..,,..,,,..,,,.,,,..,,,...,,,..,,,,...,
.0013-.OO24
In.
Oil Control Ring Side Clearance in Piston
Groove
__..__..._..,,,..,...,,,..,....,..,,..,.........,..,,...,,.,,.,,..,..,,..,,...,,...,,,..,,,..,,,...,,.....
.0013-X024 In.
Piston Ring Gap:
No. 1 Compression Ring
..,,.,,,..,,,..,,..,,,.,,.,,,..,......,,.,..............,.........................
.014-,022
In.
No. 2 Compression Ring
_..___..__.,,..,,..,,,..,.,,,..,,.,,....................,.........................
.014-,022
In.
Oil Control Ring
,...,,...,___.___.._..................,,,..,..,,..,,.,,,..,,,.,,..,,,..,,,...,,,,..,,,...,....
,015.,055
In.
Piston Pin in Connecting Rod
..____.___..._,,__.,,,,,..,,.,,..,.................,,...............................
Press Fit
Intake
Exhaust
Valve Spring Pressure
Valve Closed
_______........___..,,,,,,............
1.57 In. at 93 Lbs.
1.36 In. at 97
Lbs.
Valve Open
. . . . . . . . . . . . . . .
1.18 In. at 182 Lbs.
.96 In. at 180
Lbs.
Valve Stem Diameters
Standard
Size
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.3538-.3543
In.
.3524-.3528
In.
,003 In. Oversize
____.....__.._..,,,,,,........
.3567-.3572 In.
.3553-.3559 In.
.0059 In.
Oversze
.__......_______..............
.3597-.3602
In.
.3583-.3588
In.
.O 1 18 In. Oversize
_._...._._____..............
.3656-.3661 In.
.3642-.3647
In.
Valve Length, Nominal
..___.............
4.843 In.
4.92 In.
Valve Head Diameter
___.......____...,,,........
1.574 In.
1.34 In.
Valve Guide Bores in Cylinder Head (Intake and Exhaust)
Standard Size
,,...,,...,,..,,..,,,..,,....................................,..,,...,,.,,,,..,,,,..,,...,,,,..,
.3553-.3562
In.
003 in Oversjze
.,..__,,._.,__..___....,,...,,..,,...,,,,,,.,,.,,..,................,.....,.................
.3582-.3592
In.
,006 in Overslze
..,...,,..,,.......................................,........................................
.3615-.3622
In.
.0118
in Oversize
,._.,,..,............,,...,,........................................,,....................
.3671-.3681
In.
Valve Stem Clearance
Intake .
.._........___..___.....,............,...,,..........................................,,......................
.OOl-.0029
In.
Exhaust
._.,,........,,...,,..,,...........,,...,................,..,,..,,................,,.....,.,........................
0039 In.
Max. Permissible Head to Stem Runout
Intake
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.OO16
In.
Exhaust
.,...........,,...,...,.,,...........,,...,....,....,.,,,..,,.,,,........................................,..........
.0019
In.
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