Skip to: site menu | section menu | main content
ENGINE SPECIFICATIONS
1931 1932 1933 1934 1935. This table of specifications is easier to read if you scroll down to the picture of the page.
ENGINE SPECIFICATIONS 1931 1932 1933 1934 1935
Number of cylinders 6 6 6 6 6
Stroke 3 %" 3%" 4" 4" 4'
Standard Models ...... ...... 3 1' 3 ,2' 4'
Bore 3,' 3A' 3A' 3A' 3A'
Piston Displacement 194 194 206.8 206.8 206.8
Standard Models ...... ...... 181 181 206.8
Rated Horsepower 26.3 26.3 26.3 26.3 26.3
Max. Brake Horsepower 50 V 2600 60 a 3000 65 (s 2800 80 0, 3300
80 ry 3200
Standard Models ...... 60 Or 3000 60 (e 3000 74 (a; 3200
Trucks 50 q 62600 60 d 3000 56 .i 2750 60 V 3000 68.5 @ 3200
Compression Ratio 5 to 1 5.2 to 1 5.2 to 1 5.45 to 1 5.6 to 1
Standard Models ...... ...... 5.2 to 1 5.35 to 1 5.6 to 1
Crankcase Capacity-Refill 5 qts. 5 qts. 5 qts. 5 qts. 5 qts.
Standard Models ...... ...... 4% qts. 4! qts. 5 qts.
Cylinder Bores-Out of round and taper .001' .001' .001' .001' .001'
Main Bearing Sizes:- 1H' 2 6' 2 6" 2 ' ' 2 -6'
No. 1-Diameter
Length 134' 134' 16f" 1H'
No. 2-Diameter 2' 218' 21 K' 2%' 2%'
Length 2' 2' 1%' 1%. 1%"
No. 3-Diameter 2,'M1 2A' 2.6 2A' 2ms's
Length 2-'s' 2As' 2a:" 26,' 2H'
Crankshaft Alignment-Run-out .002' .002' .002' .002' .002'
Crankshaft End Play .004' to .007' .004" to .007° .004" to .007'
.004" to .007' .004" to .007"
Crankshaft Oil Slinger Clearance .002" to .032' .002" to .032' .002" to
.032' .002" to .032' .002' to .032'
Flywheel Housing Transmission Hole Run- .012' .012' .012° .012' .012'
out
Camshaft Bearing Sizes:- 1 f' 1 is 1 is IN' 1H'
No. 1-Diameter
Length 1H' II' 1H' Igo,' 1H'
No. 2-Diameter 1H' 1 ' , - ' 3 ' 1 ,T 1H' 1H'
Length l Ys' 1%. 2A' 216' 2 s'
No.3-Diameter 1%' 1%' 1%' 1%' 1%'
Length 1fir' Ill" l3~' 138" 138"
Camshaft Alignment-Run-out .002" .002' .002' .002° .002"
Camshaft End Play Free to .003' Free to .003' Free to .003' Free to .003' Free
to .003'
Camshaft Bearing Clearance .002' to .0035' .002" to .0035' .002" to
.0035' .002' to .0035' .002" to .0035'
Crankshaft Gear Run-out .003' .003' .003' .003' .003"
Camshaft Gear Run-out .004" .004' .004' .004" .004'
Crankshaft and Camshaft Gear Back Lash .002" to .005" .002" to
.005" .002" to .005" .002" to .005' .002" to .005'
Flywheel Run-out on face and rim .008° .008" .008" .008" .008"
Connecting Rod Bearing End Clearance .004' to .011' .004' to .011' .004" to
.011' .004' to .011' .004" to .011'
Piston Length 3}-' 33'-;" 3r6" 3H'
Piston Clearance:- .002' .002' .002" .002" .002'
Pass on
Lock on .003' .003' .003" .003" .003°
Piston Rings:- 2 2 2 2 2
Compression
Oil Control 1 1 1 1 1
Piston Ring Gap .004' to .014' .004' to .014" .004' to .014' .004" to
.014' .004" to .014'
Compression Piston Ring Clearance in .0015" to .003' .0015" to .003" .0015'
to .003" .0015' to .003" .0015" to .003'
Groove
Oil Control Piston Ring, Clearance in Groove. .0015" to .0025' .0015" to
.0025" .0015" to .0025" .0015" to .0025" .0015' to .0025'
Piston Pin Fit Thumb Push Thumb Push Thumb Push Thumb Push Thumb Push
Intake Valves:- 1H" 1 6s-9. ° 1H" 1 E;' 1 "
Head Diameter-Outside
Standard Model ...... ...... ...... 1}g"
Stem Diameter ii"
Standard Model .006" .006" .006" .006' to .008"
Tappet Clearance
Standard Models ...... ...... ...... .006" to .008" .006" to .008'
Stem and Guide Clearance .001' to .003' .001' to .003' .001" to .003" .001'
to .003" .001" to .003'
Angle of Valve Face 45° 45° 45° 45° 30°
Exhaust Valves:- 1H' 13}" 1-',-}' 1W 1W
Head Diameter-Outside
Standard Models ...... ...... 1H' .....
Stem Diameter t'6'
Standard Models ......
Tappet Clearance 008" 008° .008" .013' to .015' .013' to .015'
Standard Models ...... .008" to .015" .013" to .015'
Stem and Guide Clearance .002" to .004' .002" to .004" .002' to
.004" .002' to .004' .002' to .004'
Angle of Valve Face 45° 45° 45° 45° 30°
Carburetor Float Level %'
Spark Plug Type G-12 G-10 K-9 K-10 K-11
Standard Models ...... ...... ...... K-9 K-11
Spark Plug Gap .025' .024' .032" .032" to .035" .032' to .035°
Breaker Point Gap .018' .018' .018' .018' .018'
