1977 Ford truck - 4.9 L ( 300 cubic inch ) straight 6 cylinder engine :
F-100 ( 6 degrees BTDC )
F-150 / F-250 / F-350 ( 10 degrees BTDC )
unless engine compartment decal shows different
motorcraft.com shows for the 1977 F-100 with the 300 cubic inch ( 4.9 L ) straight 6 cylinder engine : ( 6 degrees BTDC ) does not specify automatic or manual transmission
Chain if you are asking about a 300 Cu In 6 cylinder Ford.
The Ford 4.9 liter / 300 cubic inch inline six cylinder engine uses a large gear on the end of the camshaft which meshes with a smaller gear on the end of the crankshaft , so there is no timing chain or timing belt
10 degrees BTDC - according to motorcraft.com ( one of Fords websites ) for a 1988 Ford truck with the 300 cubic inch straight 6 cylinder engine
As far as I know the Ford 4.9 L ( 300 cubic inch ) straight 6 cylinder doesn't have a timing chain or timing belt , it has gears on the camshaft and crankshaft that mesh
No , actually the Ford 300 cubic inch / 4.9 liter inline ( straight ) six cylinder engine has gears that mesh with each other on the front end of the crankshaft and the front end of the camshaft so it doesn't use a timing chain or a timing belt
www . motorcraft . com ( no spaces ) shows : for a 1977 / F-250 / 300 cubic inch ( 4.9 L ) straight 6 cylinder engine The spark plug gap is .044 inch The ignition timing is 10 degrees BTDC ( doesn't specify manual or auto transmission ) ENGINE DECAL OVERRIDES
For your Ford 4.9 liter / 300 cubic inch inline six cylinder engine : ( the # 1 cylinder is at the FRONT of the vehicle )
The Ford 4.9 liter / 300 cubic inch inline 6 cylinder engine does not use a timing chain . It has a gear on the end of the crankshaft that meshes with a gear on the end of the camshaft
10 degrees BTDC ( unless the engine compartment decal shows different ) for your 300 cubic inch ( 4.9 liter ) straight 6 cylinder
Motorcraft.com shows for a 1985 Ford Truck with 300 cubic inch ( 4.9 L ) straight 6 cylinder ( 10 degrees BTDC ) - doesn't specify automatic or manual transmission
The 4.9 liter / 300 cubic inch straight 6 cylinder engine has gears on the end of the camshaft and crankshaft that mesh ( no timing chain or timing belt )