The Ford 6.8 liter V10 engine is 415 cubic inches Dodge has an 8.0 and 8.3L V10
Your 1999 Ford E-350 , 6.8 liter V10 engine has ( 10 engine cylinders )
The ( V10 engine ) in a 1997 Ford E-350 is a 6.8 liter / 415 cubic inch gasoline engine
On a Ford Excursion ( if it has a gasoline engine ) ( the 5.4 liter V8 engine has 8 spark plugs ) ( the 6.8 liter V10 engine has 10 spark plugs )
According to the 2001 Ford Excursion owners manual : With engine oil filter change : ( 6.0 quarts of engine oil ) for the 6.8 liter V10 gasoline engine
According to the 2004 Ford F-250 owners manual : For the 6.8 liter V10 gasoline engine ( 5W-20 )
According to the 2004 Ford Excursion owners manual ( 5W-20 engine oil ) is used in the 6.8 liter V10 gasoline engine
In a 2004 Ford F-250 : Gasoline engine choices ( 5.4 liter V8 and 6.8 liter V10 ) Diesel engine ( I believe that is 6.0 liter )
FORDS 6.8 liter V10 is a ( GASOLINE engine ) * if that is what you are asking
For the 2000 Ford F-250 , 6.8 liter V10 engine : ( 310 horsepower and 425 lb-ft torque )
According to the 1999 Ford F-250 Super Duty Owner Guide : With engine oil filter change : The 6.8 liter V10 gasoline engine takes ( 6.0 U.S. quarts of 5W-30 )
That would depend on which engine you have in your 2003 Ford Excursion : The 7.3 liter diesel engine doesn't use any spark plugs The 5.4 liter V8 engine has ( 8 spark plugs ) The 6.8 liter V10 engine has ( 10 spark plugs )