According to my Chilton's Auto Repair Manual :
With engine oil filter change :
The 1988 Ford Thunderbird engines ( 2.3 / 3.8 / 5.0 ) take :
( 5.0 U.S. quarts )
Not to be disrespectful, however you just answered your own question...if it's a V-6, there are 6 spark plugs!
According to the ( 1996 ) Ford Thunderbird Owner Guide : With engine oil filter change : ( 5.3 U.S. quarts of 5W-30 , PREFERRED engine oil )
According to the 2003 Ford Thunderbird Owner Guide : With engine oil filter change : The 3.9 liter V8 engine takes ( 6.5 U.S. quarts of 5W-20 )
12 quarts
Since you didn't tell us the Engine here are all three, Which Just happen to have the same Transmission. 1992 FORD THUNDERBIRD 3.8L 6-cyl Engine Code 41992 FORD THUNDERBIRD 3.8L 6-cyl Engine Code R1992 FORD THUNDERBIRD 5.0L 8-cyl Engine Code T HO CAPACITIESAutomatic Transmission, Initial Fill..........3.0 quarts[2]Automatic Transmission, Total Fill..........12.0 quarts [2] With ENG at operating temperature, shift through all gears. Check fluid level in PARK and add fluid as needed.
The single exhaust V8 for 1987 had about 150 hp. The 1988 with dual exhaust was 160 hp. V6 ?
5
two
18
1990 ford escort how many quarts of oil
The 1997 Thunderbird 4.6L engine has only 1 catalytic converter.
7 quarts