Re: engine for a hi-po ea
This has been asked many-a-time.
If you know what you're doing, anything can be done.
T5's are out there, just have to be patient and look. As for changing the 3.9 to a 4.0 donk... It "should" bolt in... You could look at buying the new DOHC from ford/wreckers and try that. You may run into some height concerns though. But I'm sure someone out there has done it...
1978 XC Fairmont. <-- Slowly being restored
250 X-Flow with T5, 2.77 LSD with full pedders sports ryder trim (front and rear). All riding on 14X7 Hotwires.
AND, as recent addition.
1995 EF XR6 Manual
Gun Metal Grey with King springs and 2.5 exhaust, riding on EL XR8 rims.