You could contact John Mihovetz @ Accufab Racing - the Worlds Best Throttle Bodies
and see if he ports manifolds for customers or possibly recommend someone.
You could put a relay near the fan, run the switched power to the fan and activate it with a fused toggle switch inside the car.
I did this on one of my cars and it worked great. I also added in a small LED, so I knew power was passing through the switch.
880/793 SAE on a Dynojet @ 23psi and 19 degrees of timing. (twin 61's)
I've never had a supercharger, just turbo's. I jumped in the conversation just to support the idea of using a Hobbs switch if/when using multiple pumps.
I've had these for a little bit. I am really happy with them.
BG Defense/Type-A 10.5 Contractor .308
Finally, after years of saying I was buying one, Noreen BN36X3 30-06.
The wife and I saw it today.
It was rough to watch at times and was a rollercoaster of emotions.
One would hope that there is a special place in hell for these people.
I hope this film makes a ton of money and reaches a lot of people.
Sometimes, we need truth shoved in our face, even if...