Hi Phil,
Am not sure this information is what you are asking for,
but the following are the engine specs for the 65 Chrysler Imperial 413
engine:
Piston Displacement................................ 413
cu. in.
Bore..........................................................
4.19"
Stroke........................................................3.750
Compression
Ratio..................................10.1
Ignition
Timing..........................................10' BTC
Breaker Point Gap.................................... .014
-.019
Spark Plugs...............................................
J-14-Y or P-3-6P
Firing
Order...............................................
1-8-4-3-6-5-7-2
Information taken from 65 Chrysler Imperial owners manual.
Hope it is of some help. Do know that it is a sought after
engine around he by the local dragsters.
Chad
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