LS4 / F40 swap - fieroguru (Page 215/215)
fieroguru NOV 16, 06:15 PM
Finished up the sway bar stands:




Also finished the brackets to locate the stock steering rack location.




Here is the current list of proposed winter upgrades:
  • A2W Intercooler
  • Radiator fan (support A2W heat exchanger)
  • Clutch Tamer/Launch Control
  • Front VSS/Traction Control
  • Flex Fuel
  • Alpine 2DIN radio/NAV housing w/ 4 gauges


As you notice, the front tubular cradle isn't on the list. While I plan to keep working on it, I am being realistic that it likely will not be ready by spring.

I am about 80% sure on using the A2W intercooler in this location. I just want to verify placement of the plastic wheel well liner to the planned location of the intercooler before I start cutting sheet metal.


With the A2W direction being mostly finalized, I am already planning for the heat exchanger to be up front and ahead of the radiator. That means that the heat from the 250+ degree pre-intercooler/post turbo air temps will move to the front of the radiator. So while every swap I have done in the last 20+ years has kept the stock fiero radiator fan, I will be upgrading to a higher amp/higher flow fan.

I am partially done with the fan upgrade. I kept the stock Fiero radiator shroud (one of my spares - not the one on the car currently) and installed a higher flow/higher amp 16" fan. The one I chose was the Proform 67037. It is rated at 3300 cfm and 24+ amp draw. There are several posts on the forum installing 16" Proform fans, but I think most use a lower amp version to keep the wiring stock.
https://www.proformparts.co...olt-16-inch-3300-cfm
This means that I will have to run a larger relay and a dedicated power feed from the battery. To install the fan, I trimmed the brackets and tabs on the new fan until it fit in the fiero shroud. This added 4 spacers between the two and used 4 rivets to secure it. Once that was done, I filled the gap between the two making it air tight. Here is what it looks like right now. I still need to find a 35+amp connector and relay.


For the clutch tamer, I looked at several options but settled on the Hitmaster. I like that it is volume based vs. pulsing a solenoid, it is decently priced, and I can likely integrate it into haltech control and use a CAN button for it.
http://clutchtamer.com/ (scroll the 2nd version)

[This message has been edited by fieroguru (edited 11-16-2025).]