On the TPI intake, the coolant port on the front of the IAC housing went into the TPI base. Where does it go for the LT1 intake swap?

 

www.LT1intake.com

You'll find answers to most of your questions there...

 

I've been trying to get to John's site all day. It must be down or removed. He has a coolant diagram there.

 

My site's been down all weekend. I have a trouble call in with my hosting provider.

The LT1 intake assumes you will do a TB coolant bypass. If you really want hot coolant flowing through the TB then route the 5/8" coolant hose from the remote t-stat to the TB then to the heater core.

Here's my diagram (shows a TB bypass setup).

 

My only concern is that the throttle body would freeze up at cooler temps. I put this vehicle away for the winter, so it won't see anything less than about 50 degrees.

Thanks for the diagram, John.