FI options: Turbo or Supercharger

[CSG Mike]

Originally Posted by mrg666

5.5 psi is just about 37% more than atmospheric pressure. But you are getting 50% more power than NA without any other mod. What a marvelous tune! Is CSG selling that setup and tune. I would get it and take my JRSC off for sure. Assuming you have a fully custom turbo setup, what is your header?



While you are here. Intake charge temps vs pressure, is this considered in your tune currently? Or you would consider it with bigger boost? I am asking since some of the heat soak complaints that I also had in the previous years could be related, I thought.

With the VE improvements of forced induction, you can extract further enhancements that are unavailable to NA folks.

I use an off-the-shelf GReddy T518Z kit with many, many supporting mods. My build is well documented.

https://www.ft86club.com/forums/show...2&postcount=20 is one post, among many.

My setup has been duplicated many times, but it will certainly cost you much more than your JRSC. The hp/dollar ratio is lower, although this is arguably as reliable as, if not more reliable, than the JRSC.

Intake charge temp vs pressure is always considered in CSG tunes, unless the specific setup doesn't allow for it, e.g. HKS SC, Innovate/Sprintex SC, etc.

[Grady]

Originally Posted by tomm.brz

bigger turbo will have more air flow than a smaller one at same Psi, so a bigger turbo will give you more hp for less boost

On a test bench yes, once installed on a car no. 5.5 psi at the intake at X temp is the same amount of air no mater what is compressing it. The only way to get more air mass is to cool it more or enlarge intake system.

[tomm.brz]

actually you re right, sorry
at least a bigger turbo will improve efficiency both on exhaust side being bigger, and intake side with colder air coming out