.044 inch
( .044 inch ) 351 Windsor and 351 Modified for 1978 Ford truck
0.044
.044 inch for 351 M and 351 W
.044 inch
.044 inch
Autolite AP26. Gap .050.
.044 inch
.044 inch
www . motorcraft . com ( no spaces ) shows : The spark plug gap for a 1994 F-150 - 351 V8 ( 5.8 L ) as .044 inch
The gap on the 351 Cleveland changes timing. Adjust the point gap until it is at 28-32 and begin timing then.
.044 inch ( for the 351 cubic inch / 5.8 liter V8 ) according to fordparts.com
The 1976 351 Ford engine spark plug gap is .034. Most spark plugs will come pre-gapped from the spark plug manufacturer.