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NASH
 

1946-57 Tune-up Specifications
 
Year Engine Car Model Spark Plug Gap Point Gap Dwell Angle Firing Order Ignition Timing (BTDC or Mark) Valve Lash
Intake Exhaust
1946-48 "600" 6 .025 .020 35-38 153624 IGN .015H .015H
Ambassador .025 .020 35-38 153624 IGN .015H .015H
1949 "600" 6 .030 .022 31-37 153624 IGN .015H .015H
Ambassador .025 .022 31-37 153624 IGN .015H .015H
1950 Rambler .030 .022 31-37 153624 TDC .016C .018C
Statesman .030 .022 31-37 153624 TDC .016C .018C
Ambassador .030 .022 31-37 153624 TDC .012H .016H
1951 Rambler .030 .022 31-37 153624 TDC .016C .018C
Statesman .030 .022 31-37 153624 TDC .016C .018C
Ambassador .030 .022 31-37 153624 TDC .012H .016H
1952-54 Rambler .030 .022 31-37 153624 4°
3
 .016C .018C
Statesman .030 .022 31-37 153624 4°
3
 .016C .018C
Ambassador .030 .022 31-37 153624 TDC .012H .016H
1955 Statesman .030 .022 31 153624 4°
3
 .016C .018C
Ambassador 6 .030 .016 38-45 153624 4°
3
 .012H .016H
Ambassador V8 .035 .017 38 18436572
1
 5° Zero Zero
1956 Statesman 6 .030 .016 28-35 153624 5° .012H .016H
Amb.
Spec V8
 .035 .016 26-33 18436572
1
 5° Zero Zero
Ambassador 6 .030 .020 39 153624 4°
3
 .012H .016H
Ambassador V8 .035 .017 31 18436572
1
 5° Zero Zero
1957 Ambassador V8 .035 .016 30 18436572
1
 5° Zero Zero
 

1 - Cylinders numbering front to rear:

Right bank 1357

Left bank 2468
3- After top dead center