![[Datsun 1200 encyclopedia]](/wiki/upload/wiki.png)
| Revision as of 02:40, 14 November 2012 ddgonzal (Talk | contribs) <- Previous diff |
Current revision ddgonzal (Talk | contribs) |
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| - | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_comparo.jpg L-series comparison] | + | [[Spark Curve]] comparison. Larger enginees can generally take more advance. But different head designs are th number 1 reason for different curves. NOTE: If your distributor is on the low side of the tolerance it can be 4 degrees retarded and still be in specification! |
| - | <br><img size=400>http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_comparo.jpg</img> | + | |
| - | A12 OHV D412-63 22100-H1901 | + | = Overview = |
| - | <br>[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_22100-H1901.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/th_curve_22100-H1901.jpg] | + | A12 advance Tolerance - why using stock timing setting is not enough |
| + | <br>{{Photo|curve_tolerance.jpg|Datsun%201200/engine/E-Series/Distributor}} | ||
| + | |||
| + | A12 Total advance Comparo | ||
| + | <br>{{Photo|curve_comparo_Total_range.jpg|Datsun%201200/engine/E-Series/Distributor}} | ||
| + | |||
| + | A12 Total advance Comparo - (blueprinted) | ||
| + | <br>{{Photo|curve_comparo_A12_Total.jpg|Datsun%201200/engine/E-Series/Distributor}} | ||
| + | |||
| + | Stock A12 curves - blueprinted to high side of tolerance | ||
| + | <br>{{Photo|curve_comparo_A12.jpg|Datsun%201200/engine/E-Series/Distributor}} | ||
| + | |||
| + | Non-emission Type | ||
| + | <br>{{Album|24016}} | ||
| + | |||
| + | A12 EXHAUST SPEC D412-63 22100-H1901 | ||
| + | <br>{{Photo|curve_22100-H1901.jpg|Datsun%201200/engine/E-Series/Distributor}} | ||
| + | |||
| + | 1973 USA Manual Transmission D412-80 | ||
| + | <br>{{Album|24013}} | ||
| + | |||
| + | 1973 USA Auto Transmission D412-89 | ||
| + | <br>{{Album|24014}} | ||
| + | |||
| + | = Other Datsun Engines = | ||
| + | L-series comparison | ||
| + | <br>{{Photo|curve_comparo.jpg|Datsun%201200/engine/E-Series/Distributor}} | ||
| P engine OHV L6 4.0-liter D608-03 22100-46500 (Patrol) | P engine OHV L6 4.0-liter D608-03 22100-46500 (Patrol) | ||
| - | <br>[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_22100-46500.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/th_curve_22100-46500.jpg] | + | <br>{{Photo|curve_22100-46500.jpg|Datsun%201200/engine/E-Series/Distributor}} |
| R16 OHV D417-57 22100-14700, D417-57K 22100-14705 | R16 OHV D417-57 22100-14700, D417-57K 22100-14705 | ||
| - | <br>[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_22100-14700.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/th_curve_22100-14700.jpg] | + | <br>{{Photo|curve_22100-14700.jpg|Datsun%201200/engine/E-Series/Distributor}} |
| R16 OHV D407-51 22100-14600, D407-51K 22100-14606 | R16 OHV D407-51 22100-14600, D407-51K 22100-14606 | ||
| - | <br>[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_22100-14600.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/th_curve_22100-14600.jpg] | + | <br>{{Photo|curve_22100-14600.jpg|Datsun%201200/engine/E-Series/Distributor}} |
| U20 OHC D407-52 22100-25000, D407-52K 22100-25506 | U20 OHC D407-52 22100-25000, D407-52K 22100-25506 | ||
| - | <br>[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_22100-25500.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/th_curve_22100-25500.jpg] | + | <br>{{Photo|curve_22100-25500.jpg|Datsun%201200/engine/E-Series/Distributor}} |
| L16 OHC D412-64 22100-A5502 | L16 OHC D412-64 22100-A5502 | ||
| - | <br>[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_22100-A5502.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/th_curve_22100-A5502.jpg] | + | <br>{{Photo|curve_22100-A5502.jpg|Datsun%201200/engine/E-Series/Distributor}} |
| R16 OHV D417-61 22100-A7701 | R16 OHV D417-61 22100-A7701 | ||
| - | <br>[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_22100-A7701.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/th_curve_22100-A7701.jpg] | + | <br>{{Photo|curve_22100-A7701.jpg|Datsun%201200/engine/E-Series/Distributor}} |
| - | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_22100-E4601.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/th_curve_22100-E4601.jpg] | + | L24 22100-E4601 D612-52 |
| + | <br>{{Photo|curve_22100-E4601.jpg|Datsun%201200/engine/E-Series/Distributor}} | ||
| - | [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/curve_22100-E8000.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/engine/E-Series/Distributor/th_curve_22100-E8000.jpg] | + | L24 22100-E8000 D614-52 2800 RPM |
| + | <br>{{Photo|curve_22100-E8000.jpg|Datsun%201200/engine/E-Series/Distributor}} | ||
| [[Category:Distributor]] | [[Category:Distributor]] | ||
| - | [[Category:Ignition Modifications]] | + | [[Category:Ignition Modifications]]{{End}} |
Current revision
Spark Curve comparison. Larger enginees can generally take more advance. But different head designs are th number 1 reason for different curves. NOTE: If your distributor is on the low side of the tolerance it can be 4 degrees retarded and still be in specification!
[edit]
Overview
A12 advance Tolerance - why using stock timing setting is not enough
A12 Total advance Comparo
A12 Total advance Comparo - (blueprinted)
Stock A12 curves - blueprinted to high side of tolerance
Non-emission Type
A12 EXHAUST SPEC D412-63 22100-H1901
1973 USA Manual Transmission D412-80
1973 USA Auto Transmission D412-89
[edit]
Other Datsun Engines
L-series comparison
P engine OHV L6 4.0-liter D608-03 22100-46500 (Patrol)
R16 OHV D417-57 22100-14700, D417-57K 22100-14705
R16 OHV D407-51 22100-14600, D407-51K 22100-14606
U20 OHC D407-52 22100-25000, D407-52K 22100-25506
L16 OHC D412-64 22100-A5502
R16 OHV D417-61 22100-A7701
L24 22100-E4601 D612-52
L24 22100-E8000 D614-52 2800 RPM
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