For an in depth look at the Ford small six, engine-head-carb swaps, performance upgrades, and tranny swaps,
we recommend purchasing the Falcon Six Performance Handbook.
General Specs |
YEAR |
CI |
Bore |
Stroke |
Chamber |
Intake |
Exhaust |
Log CC |
Adv HP |
Adv TQ |
64-60 |
144 |
3.5 |
2.5 |
44-51 |
1.467 |
1.266 |
850 |
90 |
138 |
61-63 |
170 |
3.5 |
2.95 |
48-53 |
1.522 |
1.266 |
890 |
105 |
158 |
65-72 |
170 |
3.68 |
3.126 |
48-53 |
1.649 |
1.380 |
890 |
105 |
158 |
65-69 |
200 |
3.68 |
3.126 |
51-53 |
1.649 |
1.380 |
1100 |
120 |
190 |
69-71 |
200 |
3.68 |
3.126 |
62 |
1.649 |
1.380 |
1240 |
120 |
190 |
72-74 |
200 |
3.68 |
3.126 |
62 |
1.649 |
1.380 |
1240 |
85 |
154 |
77-80 |
200 |
3.68 |
3.126 |
62 |
1.750 |
1.380 |
1345 |
85 |
154 |
69-71 |
250 |
3.68 |
3.91 |
62 |
1.649 |
1.380 |
1240 |
155 |
240 |
72-74 |
250 |
3.68 |
3.91 |
62 |
1.649 |
1.380 |
1240 |
99 |
184 |
77-80 |
250 |
3.68 |
3.91 |
62 |
1.750 |
1.380 |
1345 |
99 |
184 |
80-up |
250 |
3.68 |
3.91 |
62 |
1.750 |
1.380 |
1420 |
99 |
184 |
AU only |
221 |
3.68 |
3.46 |
62 |
1.649 |
1.380 |
1345 |
unknown |
unknown |
Torque Specs |
Torque |
Rod Caps |
Exhaust |
Intake |
Rockers |
Sump |
Plugs |
V/C |
Clutch |
Foot LBS |
24-26 |
20-24 |
16-18 |
34-36 |
8-10 |
12-14 |
8-10 |
32-36 |
Torque |
Main |
Head |
Flywheel |
|
Cam Gear |
Trust Plate |
Damper/Pulley |
STEP 1 |
40-45 |
45-55 |
55-65 |
42-45 |
14-16 |
55 (144) 85-95 (other) |
STEP 2 |
55-60 |
55-65 |
65-75 |
Water Pump |
Oil Pump |
Oil Pan |
Drain Plug |
STEP 3 |
65-70 |
65-75 |
75-85 |
14-16 |
12-15 |
8-10 |
18-20 |
Compression Ratio's |
Ignition Timing |
|
Engine |
Static |
Cranking |
Engine |
Manual |
Auto |
Firing Order: 1-5-3-6-2-4 |
144ci |
7.5 |
165psi |
144ci |
4-6* |
10* |
Idle Speed: Standard 500-550 |
144ci |
8.7 |
175psi |
170ci |
4-6* |
10* |
Idle Speed: Automatic 475-500 |
170-200 |
8.7 |
175psi |
200ci |
12* |
12* |
Deck Heights |
221-250 |
8.2 |
170psi |
221ci |
6* |
6* |
200ci = 7.808 |
200-250 |
9.2 |
185psi |
250ci |
12* |
12* |
250ci = 9.469 |
Valve Train |
Pistons & Rings |
Valve Spring Free Length |
1.795" |
Compression Ring Gap |
.015 + .005 |
Valve Spring Length - Closed |
1.586-1.595 |
Oil Ring Gap |
.020 + .030 |
Valve Spring Length - Open |
1.222-1.225 |
Piston Pin Diameter |
.9122 |
Valve Spring Load - Closed |
50-55 lbs |
Pin Compression Height |
1.50 |
Valve Spring Load - Open |
120-150 lbs |
Dish Sizes |
6.5cc & 13cc |
Stock Camshaft Specs |
Engine |
Duration |
Int Open |
Int Close |
Exh Open |
Exh Close |
Overlap |
Valve Lift |
144ci - soild |
232 |
15 |
37 |
45 |
7 |
22 |
360 |
170ci - hyd |
240 |
9 |
51 |
42 |
18 |
27 |
348 |
200ci - hyd |
252/256 |
7 |
65 |
55 |
21 |
28 |
348 |
200ci - hyd |
256 |
28 |
48 |
76 |
0 |
28 |
372 |
250ci - hyd |
256 |
10 |
66 |
58 |
18 |
28 |
368 |
Fluid Types |
|
Engine
Oil |
Automatic
Tranny |
Manual
Tranny |
Rear
Axle |
Manual
Steering |
Power
Steering |
Ball
Joints |
Type |
15W40 |
ATF
Type F |
SAE
80/90
|
SAE
80/90 |
self level
lithium |
ATF
Type F |
high temp
grease
|
Quantity |
sump: 4 qt
filter: 1 qt |
9 qts |
2 qts |
3 pints |
310 grams |
3 pints |
n/a |
Small Six Casting Numbers |
Years |
Size |
Block |
Head |
Crank |
Notes |
60-64 |
144ci |
???? |
???? |
???? |
|
60-64 |
170ci |
C0DE-C4DE |
???? |
???? |
|
1965 |
200ci |
C5DE-H
|
C5DE-B
C6DE-A
|
1H
|
4 Bolt Bell |
66-67 |
200ci |
C6DE-A
|
C6DE-A
C7DE-A
|
1H
|
6 Bolt Bell |
68-69 |
200ci |
C8DE-8
|
C6DE-A /
C8DE-B
C9DE-R /
C9DE-M
|
1H
|
6 Bolt Bell |
70-74 |
200ci |
????
|
????
|
????
|
6 Bolt Bell |
75-80 |
200ci |
D8BE-GE
E1BE-FA
|
D5DE-BA |
1H
|
6 Bolt Bell |
81-83 |
200ci |
E1BE-BB
|
E0BE-BB
E1BE-CC
|
3H
|
Big Bell |
69-74 |
250ci |
C9DE-B
D2DE-AA
|
C9OE-M |
2H
|
SBF Bell |
75-80 |
250ci |
D8BE-JA / 8DE-CC
D7DE-CA /D6DE-CA
D5DE-AA
|
E0BE-BB /
D5DE-BA
D7BE-AB / D3BE-AA
D8BE-BA / C9OE-M_ |
3HA |
SBF Bell |
Cylinder Head CFM Comparisons
(144/170/200/221/250ci) |
Intake |
|
.100 |
.200 |
.300 |
.400 |
.500 |
.600 |
US Log |
45 cfm |
87 cfm |
108 cfm |
119 cfm |
124 cfm |
127 cfm |
OZ 250 |
63 cfm |
101 cfm |
133 cfm |
155 cfm |
156 cfm |
156 cfm |
CI Alum |
52 cfm |
99 cfm |
143 cfm |
180 cfm |
201 cfm |
210 cfm |
Ported CI |
55 cfm |
103 cfm |
159 cfm |
196 cfm |
223 cfm |
231 cfm |
Exhaust |
Valve Lift / Flow |
.100 |
.200 |
.300 |
.400 |
.500 |
.600 |
US Log |
36 cfm |
68 cfm |
91 cfm |
98 cfm |
103 cfm |
105 cfm |
OZ 250 |
36 cfm |
68 cfm |
91 cfm |
98 cfm |
103 cfm |
105 cfm |
CI Alum |
40 cfm |
79 cfm |
111 cfm |
144 cfm |
164 cfm |
174 cfm |
Ported CI |
44 cfm |
87 cfm |
122 cfm |
159 cfm |
179 cfm |
184 cfm |
Hydraulic Lifter Assembly |
Valve Train Assembly |
 Other Helpful Links |
Small Six Identification, Small Six Q&A, and Trouble Shooting
  
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