I have the same handle you have, wish I had a shorter handle. It's a tight squeeze for the motor and radiator but you can run a fan. I recessed my firewall and run a clutch fan and here is more room if I needed it.
Wish my truck wasn't hacked so I coud of just used a mustang II like you did.
56 Plaza 63 D100 step side 67 Coronet, 68 Roadrunner, 69 Super Bees, 69 Coronet 500 convertible, 70 Roadrunner Post, 79 D150 360, and a severe case of Mopar a,d,d
