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Thanks, I will try that one next!

I ran the 3.6 pulley on the dyno and my gauge was low by about 0.1psi, so pretty close. after I get my tune dialed in I will run it again and see how off it is.

Update: I moved to the 3.48 pulley and am at 8.6 psi at 7,000rpm. A gain of 1.5psi from the 3.6 pulley. So I think the 3.4 pulley is probably where I want to end up...

I have a 2015 Vortech supercharged GT. I noticed today that there is A LOT of oil in the intake and I would like to rectify this. I see everyone using catchcan setups rather than just filter breathers on the valve covers. Can someone please explain why the more complicated and expensive option...

I added the Steeda subframe braces and it completely got rid of the hop. Just regular wheel spin now!

Are you running vortech or Paxton? Sounds like you have a paxton. 3.8 is stock paxton and 3.6 is stock vortech both are 7.5-8.5psi at factory redline.

I have Pypes Long tube catted headers, full 3" exhaust a high flow intake and a 90mm TB. I'm not sure how mods affect my psi because I had them on before I added boost. I think it's the altitude killing me (6000ft). But I am right at Vortech's claim of 7.5-8.5psi. I am also keeping my redline at...

I have a 2015 GT with the Vortech full kit. I live at about 6000ft altitude and I am currently getting 7.1psi at 7000rpm according to my factory boost gauge. I would like to see between 9 and 10psi. Do I need the 3.48" or 3.33" pulley? Thanks for anyone that can help! Pics for attention: