$50 Craigslist 360 EXTREME budget rebuild??

I ran TQ's for years.
If you use a square bore on that intake, I suggest taking out some of the plenum up by the primaries. IF you use the TQ, well, it takes more than a post to explain the adjustments. One of the main adjustments, though, is the back flap (air door over the secondaries). You can adjust how fast it opens (critical), and how far it comes open.