The engine cylinders / spark plug locations are numbered :
4 - 8
3 - 7
2 - 6
1 - 5
front
The marked # 1 position on the distributor cap faces to the REAR and slightly towards the drivers side
It is a 350 Chevrolet motor. Also known as a 5.7 liter. There were many of them produced and the number you provided was stamped on engines made from 1987 to 1995.
0.035
on a toyota corolla 1995 with a 1.6 or 1.8 liter the spark wire layout is 1342
2.0 liter
.054 inch
gap is .32
0.035 inch gap using Champion RN12YC Spark Plugs
For h20a engine spark plug gap , 0.7mm to 0.8mm
You can find a spark plug diagram for your 1995 Lincoln Town Car 4.6 liter engine at most Lincoln dealerships. Lincoln service manuals will also have the spark plug diagram and can be found at your local library.
According to www . motorcraft . com ( no spaces ) the spark plug gap for a 1995 Ford F-150 - 5.8 liter ( 351 cubic inch ) engine is ( .044 inch )
.044 inch ( for the 2.0 liter and 2.5 liter according to ford parts . com )
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