1985 with 1990 SC drivetrain

[EveryDayBirdStuff]

Has anyone swapped a SC drive train with a foxbody bird?

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[74 Harley]

The only thing that you may have an issue with is room for the intercooler.

 

[EveryDayBirdStuff]

Possibly a front mount for a turbo coupe? Stinger has a good kit

 

[EveryDayBirdStuff]

Possibly run a turbo coupe front mount

 

[74 Harley]

It's been a long time since I had a Turbo coupe, but I believe the intercooler was mounted on the engine between the turbo and the throttle body. If I remember correctly my cousins S/C had the intercooler ahead of the radiator.
With the extra room afforded by the V-6 you may be able to move the radiator back to make room for the intercooler.