# Milling machine **URL:** https://forums.speedlife.net/t/milling-machine/245397 **Category:** Shift518 Automotive **Created:** [July 13, 2009, 6:35am UTC](https://forums.speedlife.net/t/milling-machine/245397 "2009-07-13T06:35:16Z") **Posts on this page:** 1 **Showing post:** 18
### Author: ![Shady](https://avatars.discourse-cdn.com/v4/letter/s/6de8d8/32.png) [@Shady](https://forums.speedlife.net/u/Shady) #### Post date: [July 16, 2009, 5:49am UTC](https://forums.speedlife.net/t/milling-machine/245397/18 "2009-07-16T05:49:09Z")
> [@will these tires fit on a avalanche](https://forums.speedlife.net/t/will-these-tires-fit-on-a-avalanche/20539/10): > > Is the performance gain really worth the cost to mod it? IMO yeah… its a hugeeeeeee chocking point on the car… People have seen 10-20+whp gains from gutting it… better throttle response and a bit longer power band… 1SickZ… the guy thats got a Z31 in the the low 9s with the VG30… had almost the same exact setup as me… except he had the 6AL2 Ignition and a gutted plenum… was running a 12.8 ~112 with the open diff and POS street tires… Depending on what Nicks dad says… adam says and whatever if its to much i may just spring for John to make me a custom plenum such as this one ![http://i77.photobucket.com/albums/j68/SATANZ31/Projects/Picture003-1.jpg](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/3X/7/8/7828525cd0e6638bf86b53db47325409d00fc74e.jpeg) --- _[View the full topic](https://forums.speedlife.net/t/milling-machine/245397)._