31 Ford 31 Ford
Pierce-Arrow Specs
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Year Prod
Total
Model
Designation
Wheel
base
Inches
Valve
Location
Bore
and
Stroke
Piston
Dis
place
ment
Cubic
Inches
Com
pres
sion
Ratio
(Stan
dard)
Maximum
Brake
H.P.
@
R.P.M.
Spark
Plug
Size
Spark
Plug
Gap
Point
Gap
Dwell
Angle
Firing
Order
Ignition
Timing
BTDC
or
Mark
Grnd
+/-
Volts
1930 6,795 Eight C 132 In Block 3 1/2 x 4 3/4 366.0 5.07 115 @ 3400 7/8" .022 .018-.024 34 16258374 BDC1 +6
Eight B 134 In Block 3 1/2 x 4 3/4 366.0 5.07 125 @ 3400 7/8" .022 .018-.024 34 16258374 BDC1 +6
Eight B 139 In Block 3 1/2 x 5 385.0 5.05 132 @ 3400 7/8" .026 .018-.024 49 16258374 BDC1 +6
Eight A 144 In Block 3 1/2 x 5 385.0 5.05 132 @ 3400 7/8" .026 .018-.024 49 16258374 BDC1 +6
1931 4,522 Eight 43 134 In Block 3 1/2 x 4 3/4 366.0 5.07 125 @ 3400 7/8" .022 .018-.024 34 16258374 BDC1 +6
Eight 43 137 In Block 3 1/2 x 4 3/4 366.0 5.07 125 @ 3400 7/8" .022 .018-.024 34 16258374 BDC1 +6
Eight 42 142 In Block 3 1/2 x 5 385.0 5.05 132 @ 3400 7/8" .026 .018-.024 49 16258374 BDC1 +6
Eight 41 147 In Block 3 1/2 x 5 385.0 5.05 132 @ 3400 7/8" .026 .018-.024 49 16258374 BDC1 +6
1932 2,692 Eight 54 137 In Block 3 1/2 x 4 3/4 366.0 5.05 125 @ 3400 7/8" .022 .018-.024 34 16258374 IGN4-5 +6
Eight 54 142 In Block 3 1/2 x 4 3/4 366.0 5.05 125 @ 3400 7/8" .022 .018-.024 34 16258374 IGN4-5 +6
Twelve 53 137 In Block 3 1/4 x 4 398.0 5.05 140 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 52 142 In Block 3 1/4 x 4 398.0 5.05 140 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 51 147 In Block 3 3/8 x 4 429.0 5.05 150 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
1933 2,152 Eight 836 136 In Block 3 1/2 x 4 3/4 366.0 5.50 135 @ 3400 14mm .022 .018-.024 34 16258374 IGN4-5 +6
Twelve 1236 136 In Block 3 3/8 x 4 429.0 6.00 160 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 1242 137 In Block 3 1/2 x 4 462.0 6.00 175 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 1247 142 In Block 3 1/2 x 4 462.0 6.00 175 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
1934 1,740 Eight 836A 136 In Block 3 1/2 x 4 3/4 366.0 5.50 150 @ 3400 14mm .022 .018-.024 34 16258374 IGN4-5 +6
Eight 840A 139 In Block 3 1/2 x 5 385.0 5.50 150 @ 3400 14mm .022 .018-.024 34 16258374 IGN4-5 +6
Eight 840A 144 In Block 3 1/2 x 5 385.0 5.50 150 @ 3400 14mm .022 .018-.024 34 16258374 IGN4-5 +6
Twelve 1240A 139 In Block 3 1/2 x 4 462.0 6.00 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 1250A 144 In Block 3 1/2 x 4 462.0 6.00 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 1248A 147 In Block 3 1/2 x 4 462.0 6.00 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
1935 875 Eight 845 138 In Block 3 1/2 x 5 385.0 5.50 140 @ 3400 14mm .022 .018-.024 34 16258374 IGN4-5 +6
Eight 845 144 In Block 3 1/2 x 5 385.0 5.50 140 @ 3400 14mm .022 .018-.024 34 16258374 IGN4-5 +6
Twelve 1245 138 In Block 3 1/2 x 4 462.0 6.00 175 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 1245 144 In Block 3 1/2 x 4 462.0 6.00 175 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 1255 147 In Block 3 1/2 x 4 462.0 6.00 175 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
1936 787 Deluxe 8 1601 139 In Block 3 1/2 x 5 385.0 6.40 150 @ 3400 14mm .022 .018-.024 34 16258374 IGN4-5 +6
Deluxe 8 1601 144 In Block 3 1/2 x 5 385.0 6.40 150 @ 3400 14mm .022 .018-.024 34 16258374 IGN4-5 +6
Salon Twelve 1602 139 In Block 3 1/2 x 4 462.0 6.40 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Salon Twelve 1603 144 In Block 3 1/2 x 4 462.0 6.40 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
1937 166 Eight 1701 138 In Block 3 1/2 x 5 385.0 6.40 150 @ 3400 18mm .022 .018-.024 34 16258374 IGN4-5 +6
Eight 1701 144 In Block 3 1/2 x 5 385.0 6.40 150 @ 3400 18mm .022 .018-.024 34 16258374 IGN4-5 +6
Twelve 1702 139 In Block 3 1/2 x 4 462.0 6.40 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 1703 144 In Block 3 1/2 x 4 462.0 6.40 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
1938 26 Eight 1801 139 In Block 3 1/2 x 5 385.0 6.40 150 @ 3400 18mm .022 .018-.024 34 16258374 IGN4-5 +6
Eight 1801 144 In Block 3 1/2 x 5 385.0 6.40 150 @ 3400 18mm .022 .018-.024 34 16258374 IGN4-5 +6
Twelve 1802 139 In Block 3 1/2 x 4 462.0 6.40 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 1803 144 In Block 3 1/2 x 4 462.0 6.40 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6
Twelve 1803 147 In Block 3 1/2 x 4 462.0 6.40 185 @ 3400 14mm .022 .018-.024 39 1L2R5L4R3L1R-
6L5R2L3R4L6R
IGN1 +6

Last Update: 03/09/03 Hits:
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G. McDowell
carnut@carnut.com
est. 1996