3 speed flywheel
 

hey guys i need some help. i have a 67 stang with a 6 cyl 3 speed. pulled the motor and trans. got a different bellhousing to fit my new 302. need to know about the flywheel. anyone tell me about what i need to use. i have two but my motor is a late 70's motor. do i need a external balanced flywheel for this or what. thanks for any info