There is a legend at the bottom of the page describing some of the terms used here.
Make
|
Model
|
Point Gap
|
Spark Plug Gap
|
Timing Mark On
|
Spark Occurs
|
Firing Order
|
Int. Valve Clearance
|
Exh. Valve Clearance
|
Comments
|
Allis Chalmers |
WC,WD,WD-45,WF |
.020 |
.030 |
FLY |
TDC |
1-2-4-3 |
.010H |
.010H |
For intake & exhaust valve clearance, WD-45 set at .012H |
Allis Chalmers |
U,UC |
.013 |
.035 |
FLY |
TDC |
1-2-4-3 |
.010H |
.010H |
|
Allis Chalmers |
H-3 |
.020 |
.025 |
FLY |
TDC |
1-2-4-3 |
.010H |
.016H |
|
Allis Chalmers |
G |
.020 |
.025 |
FP |
NOTCH |
1-3-4-2 |
.010H |
.010H |
|
Allis Chalmers |
D-19 |
.022 |
.025 |
FP |
TDC |
1-5-3-6-2-4 |
.015H |
.020H |
|
Allis Chalmers |
D-10,D-12,D-17 |
.022 |
.025 |
FLY |
TDC |
1-2-4-3 |
.013H |
.013H |
Spark plug gap for LPG is .020. Int. & Exh Valve clearance for Ser. No. D-10 (3501) D-12 (3001) & Up is .009H and .015H |
Allis Chalmers |
C,CA |
.020 |
.030 |
FLY |
TDC |
1-2-4-3 |
.010H |
.012H |
|
Allis Chalmers |
B,IB,RC |
.020 |
.035 |
FLY |
TDC |
1-2-4-3 |
.010H |
.010H |
|
Allis Chalmers |
A |
.020 |
.032 |
FLY |
TDC |
1-3-4-2 |
.012H |
.012H |
Point gap is for Fairbanks. Set Splitdorf .012-.015 |
Allis Chalmers |
D-14,D-15 |
.022 |
.025 |
FLY |
LINE |
1-2-4-3 |
.009H |
.015H |
Point gap is for D-15 only, set D-14 at .020. For spark, LPG set center. For Int. & Exh. Valve clearance, D-14 set at .013H |
B.F. Avery |
V |
.020 |
.028 |
FLY |
TDC |
1-2-4-3 |
.006H |
.006H |
|
B.F. Avery |
A & R |
.020 |
.025 |
FLY |
TDC |
1-2-4-3 |
.008C |
.010C |
Point gap for Magneto set to .015 |
Case |
VA Series |
.020 |
.025 |
FLY |
|
1-3-4-2 |
.014C |
.014C |
Point gap for Magneto set to .015 |
Case |
V Series |
.020 |
.025 |
FLY |
DC |
1-3-4-2 |
.014C |
.014C |
Point gap set Splitdorf at .015, Fairbanks at .020 |
Case |
S Series |
.010 |
.025 |
FLY |
HOLE |
1-3-4-2 |
.010C |
.010C |
|
Case |
R Series |
.015 |
.030 |
FLY |
DC 1 |
1-3-4-2 |
.010C |
.012C |
|
Case |
LA Series |
.015 |
.030 |
FLY |
D |
1-3-4-2 |
.018C |
.018C |
|
Case |
C & L Series |
.015 |
.025 |
FLY |
D |
1-3-4-2 |
.018C |
.018C |
|
Case |
D Series |
.010 |
.025 |
FLY |
D |
1-3-4-2 |
.018C |
.018C |
|
John Deere |
M,MT |
.020 |
.025 |
FLY |
TDC |
1-2 |
.012C |
.012C |
For magneto set point gap to .015 |
John Deere |
L,LA |
.020 |
.025 |
FLY |
TDC |
1-2 |
.006H |
.008H |
For magneto set point gap to .015 |
John Deere |
H (All Fuel) |
.015 |
.030 |
FLY |
|
1-2 |
.015H |
.015H |
Spark occurs when dot or "LH-Impluse" aligns with index on cover or case. |
John Deere |
G (All Fuel) |
.021 |
.030 |
FLY |
|
1-2 |
.020H |
.020H |
For magneto set point gap to .015 - Spark occurs when dot or "LH-Impulse" aligns with index on cover or case. |
John Deere |
D (All Fuel) |
.015 |
.030 |
FLY |
|
1-2 |
.030H |
.030H |
Spark occurs when dot or "LH-Impluse" aligns with index on cover or case. |
John Deere |
B (All Fuel & Gas) |
.015 |
.030 |
FLY |
|
1-2 |
.020H |
.020H |
Spark occurs when dot or "LH-Impluse" aligns with index on cover or case. |
John Deere |
A (All Fuel & Gas) |
.021 |
.030 |
FLY |
|
1-2 |
.020H |
.020H |
For magneto set point gap to .015 - Spark occurs when dot or "LH-Impulse" aligns with index on cover or case. |
John Deere |
80 Cranking Engine |
.020 |
.025 |
FLY |
30 deg. BTDC |
1-2-3-4 |
|
|
|
John Deere |
70 Cranking Engine |
.020 |
.025 |
FLY |
30 deg. BTDC |
1-2-3-4 |
.020H |
.020H |
|
John Deere |
70 (LP), 60 (LP) |
.022 |
.030 |
FLY |
5 deg ATDC |
1-2 |
.020H |
.020H |
|
John Deere |
70 (Gas) |
.022 |
.030 |
FLY |
10 deg. ATDC |
1-2 |
.020H |
.020H |
|
John Deere |
70 (All Fuel), 60 (All Fuel) |
.022 |
.030 |
FLY |
TDC |
1-2 |
.020H |
.020H |
|
John Deere |
50 & 60 (LP & Gas) |
.022 |
.030 |
FLY |
5 deg ATDC |
1-2 |
.020H |
.020H |
|
John Deere |
50 (All Fuel) |
.022 |
.030 |
FLY |
TDC |
1-2 |
.020H |
.020H |
For point gap, for LP set TDC. |
John Deere |
40 (All Fuel) |
.022 |
.025 |
FLY |
3 deg ATDC |
1-2 |
.012C |
.012C |
For point gap, for LP set TDC. |
Ford |
501,601,701 (Gas & LP) |
.025 |
.027 |
FLY |
4 deg BTDC |
1-2-4-3 |
.015H |
.015H |
For spark, LP set a 7 deg. |
Ford |
600,700 (Gas & LP) |
.025 |
.027 |
FLY |
8 deg BTDC |
1-2-4-3 |
.015H |
.015H |
For spark, LP set at 11 deg. For spark plug gap, LPG set at .030 |
Ford |
800,900 (Gas & LP) |
.025 |
.027 |
FLY |
5 deg BTDC |
1-2-4-3 |
.015H |
.015H |
For spark, LPG set at 8 deg. For spark plug gap, LPG set at .030 |
Ford |
801,901,1801,2030 (Gas & LP) |
.025 |
.027 |
FLY |
4 deg BTDC |
1-2-4-3 |
.015H |
.015H |
for spark, LPG set at 7 deg. For spark plug gap, LPG set at .030 |
Ford |
NAA,NAB |
.025 |
.027 |
FLY |
8 deg BTDC |
1-2-4-3 |
.015H |
.015H |
|
Ford |
2N,8N,9N |
.015 |
.025 |
None |
TDC |
1-2-4-3 |
.010-.012C |
.014-.016C |
|
Ford |
4030, 4040 |
.025 |
.027 |
FLY |
4 deg BTDC |
1-2-4-3 |
.015H |
.015H |
|
Ford |
6000 (Gas) |
.030 |
.025 |
FP |
4 deg BTDC |
1-5-3-6-2-4 |
.015H |
.015H |
|
Ford |
2000,3000 (Gas) |
.025 |
.025 |
FLY |
3 deg BTDC |
1/2/03 |
.015H |
.018H |
|
Ford |
4000 (Gas) |
.025 |
.025 |
FLY |
3 deg BTDC |
1/2/03 |
.015H |
.018H |
|
Ford |
5000,7000 (Gas) |
.025 |
.025 |
FLY |
2 deg BTDC |
1-3-4-2 |
.015H |
.018H |
For all Fords listed here and above, set timing at 475 RPM |
Farmall/IH |
Super M, MV, H, HV |
.020 |
.025 |
FP |
1st Notch |
1-3-4-2 |
.017H |
.017H |
|
Farmall/IH |
M, MV, H, HV |
.013 |
.025 |
FP |
1st Notch |
1-3-4-2 |
.017H |
.017H |
|
Farmall/IH |
Super A, AV, C |
.020 |
.025 |
FLY |
DC 1-4 |
1-3-4-2 |
.014H |
.014H |
|
Farmall/IH |
A, AV, B, BN, C |
.020 |
.025 |
FLY |
DC 1-4 |
1-3-4-2 |
.014H |
.014H |
For IHC magneto set points to .013, Wico magneto set to .015 |
Farmall/IH |
154 Lo-Boy, Cub Lo-Boy, Farmall Cub |
.020 |
.023 |
FP |
TDC |
1-3-4-2 |
.013C |
.013C |
For IHC magneto set points to .013, Wico magneto set to .015 - Int & Exh valve clearance for 154 Lo-Boy set to .015 |
Farmall/IH |
Cub Cadet, 70 & 100 |
.020 |
.025 |
FLY |
2 deg ATDC |
1 |
.006C |
.017C |
|
Massey-Ferguson |
TO-20, 30 |
.020 |
.025 |
FLY |
TDC |
1-3-4-2 |
.014H |
.014H |
|
Massey-Ferguson |
MF 65,85,88,90 (Gas) |
.022 |
.026 |
FLY |
5 deg BTDC |
1-3-4-2 |
.016H |
.018H |
Spark for MF65 is 6 deg BTC |
Massey-Ferguson |
MF 35, TO-35, MF-50, MH-50 |
.022 |
.025 |
FLY |
5 deg BTDC |
1-3-4-2 |
.013H |
.013H |
|
Massey-Ferguson |
MH Pacer(16), Pony |
.020 |
.025 |
FLY |
4 deg BTDC |
1-3-4-2 |
.012C |
.013C |
For spark, Pony set at paint line |
Massey-Ferguson |
MH Colt(21), Mustang(23) |
.020 |
.025 |
FLY |
TDC |
1-3-4-2 |
.014H |
.014H |
|
Minneapolis-Moline |
ZB |
.020 |
.025 |
FLY |
|
1-3-4-2 |
.008H |
.010H |
For spark, 2-1/8" BDC (Gas & Distillate), 1-3/4" BDC (LP Gas) |
Minneapolis-Moline |
ZA Series (Bat. Ign.) |
.020 |
.025 |
FLY |
7 deg ATDC |
1-3-4-2 |
.008H |
.010H |
|
Minneapolis-Moline |
ZA Series (Mag. Ign.) |
.020 |
.025 |
FLY |
8 deg ATDC |
1-3-4-2 |
.008H |
.010H |
|
Minneapolis-Moline |
V |
.020 |
.025 |
FLY |
DC |
1-2-4-3 |
.006H |
.006H |
|
Minneapolis-Moline |
UB,UTS |
.022 |
.024 |
FLY |
|
1-3-4-2 |
.008H |
.010H |
For spark, 3-7/8" BDC (Gas), 4-1/8" BDC (LP Gas & Distillate) |
Minneapolis-Moline |
U Series (Bat. Ign.) |
.020 |
.025 |
FLY |
|
1-3-4-2 |
.008H |
.010H |
For spark, 7 deg ATDC (H. Comp.), 5 deg ATDC (L. Comp.) |
Minneapolis-Moline |
U Series (Mag. Ign.) |
.020 |
.025 |
FLY |
|
1-3-4-2 |
.008H |
.010H |
For spark, 10 deg ATDC (H. Comp), 8 deg ATDC (L. Comp.) |
Minneapolis-Moline |
U-302 (Gas & LPG) |
.022 |
.024 |
FLY |
DC-1 |
1-3-4-2 |
.010H |
.018H |
|
Minneapolis-Moline |
R Series |
.020 |
.025 |
FLY |
|
1-3-4-2 |
.012H |
.014H |
For spark, 7 deg ATDC (L. Comp), 9 deg ATDC (H. Comp) |
Minneapolis-Moline |
G-VI (LPG) |
.022 |
.015 |
FLY |
* * * |
1-5-3-6-2-4 |
.008H |
.010H |
|
Minneapolis-Moline |
GTA,GTB,GTC Series (Bat. Ign.) |
.020 |
.025 |
FLY |
5 deg ATDC |
1-3-4-2 |
.008H |
.010H |
|
Minneapolis-Moline |
GTA,GTB (Mag. Ign.) |
.020 |
.025 |
FLY |
8 deg ATDC |
1-3-4-2 |
.008H |
.010H |
|
Minneapolis-Moline |
GT |
.020 |
.030 |
FLY |
|
1-3-4-2 |
.012H |
.014H |
For spark, 11/16" after DC 1-4 mark (H. Comp) |
Minneapolis-Moline |
GB |
.020 |
.025 |
FLY |
TDC |
1-3-4-2 |
.008H |
.010H |
|
Minneapolis-Moline |
FT, FTA |
.020 |
.030 |
FLY |
C 1-4 |
1-3-4-2 |
.012H |
.014H |
|
Minneapolis-Moline |
BF |
.020 |
.025 |
FLY |
TDC |
1-2-4-3 |
.006H |
.008H |
|
Oliver |
60 |
.020 |
.025 |
FLY |
TDC |
1-2-4-3 |
.010C |
.012C |
For points, with Magneto set .015 |
Oliver |
70 |
.020 |
.025 |
FLY |
TDC |
1-5-3-6-2-4 |
.011C |
.011C |
For points, with Magneto set .015 |
Legend |
- TDC - Top Dead Center
- FP - Crankshaft Fan Drive Pulley
- Exh - Exhaust
- Int - Intake
- ATDC - After Top Dead Center
- BTDC - Before Top Dead Center
|
Data collected from an old Niehoff tune-up chart.
|
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