Ported TB gains & where to send it?
http://www.neweraperformanceparts.com/
75 bucks for a port and bump stop mod.
https://ls1tech.com/forums/sponsor-sales-specials/654083-ported-throttle-body-sale.html
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Anyhow, I have done a few and today I went to the dyno and put my buddies stock tb on and made 2 runs which were the same, then I pulled the stocker off and put on my ported one, it gained between 6-7rwhp, and between 5-6rwtq. Here's a cell phone pic I took when I ported it back in 05.



