V8 firewall 4 - 8 3 - 7 2 - 6 1 - 5 front Straight 6 cylinder , 1 to 6 , front to rear
you need to refraise this question as you cannot have a V6 straight engine either you have a V6, or you have a straight 6
( .044 inch ) - for the 4.9 L ( 300 cubic inch ) straight 6 cylinder engine in a 1989 Ford truck
www.motorcraft.com shows (.044 inch ) plug gap on the 1989 F150 300 cubic inch ( 4.9 L ) straight 6 cylinder engine
www.motorcraft.com shows the 1994 F150 4.9 L ( 300 cubic inch ) straight six spark plug gap as .044 inch
cylinder # 1 is the front cylinder on your straight 6
www.motorcraft.com does not list a MAP sensor for a 1996 F150 4.9 L ( 300 cubic inch ) straight 6 cylinder They list a remanufactured air mass sensor ( mass airflow sensor )
Your 4.9 L - straight six cylinder is 300 cubic inches , if that's what you are asking ?
www.motorcraft.com shows the 1994 F150 4.9 L ( 300 cubic inch ) straight six spark plug gap as .044 inch
.044 inch according to www.motorcraft.com for the 4.9 L ( 300 cubic inch ) straight 6
# 1 cylinder on your 300 cubic inch ( 4.9 L ) straight 6 is the FRONT CYLINDER
Check the Vehicle Emission Control Information ( VECI ) decal located in the front of the engine compartment ( it will show what type of spark plugs to use and the spark plug gap )