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Hellion 5.0 turbo upgrade?

Discussion in 'The Turbo "Builds" Board' started by Jlibbey, May 9, 2021.

  1. Jlibbey

    Joined:
    Mar 2, 2018
    Installing a hellion street heat kit on my old 89 coupe. I was wondering what’s the biggest turbo you can fit I have a vsr 7875 haven’t tried to fit yet anyone upgrade from the stock kits turbo ? Thanks
     
    Last edited: May 10, 2021
  2. nxcoupe

    Joined:
    Jan 10, 2008
    No clue, but post this in the turbo tech question section and you'll get a bunch of replies
     
    Jlibbey likes this.
  3. az92coupe

    Joined:
    Mar 21, 2005
    Problem is, not a lot of people here have experience with the Hellion kits. I have one of their very early original 5.0 kits (prior to their renaming them). It came with a Turbonetics 62-1. I put on ON3 7875 on it eventually and it was pretty straightforward.. it's been a really long time, but I don't remember having to make any changes to the down-pipe for it. The newer kits like you have altered the turbo placement and tweaked a bunch of little things.. but just going off of turbo size and footprint, I think that's about as big as you can go without reworking the hot-side and downpipe a bunch?
     
    Jlibbey likes this.
  4. Jlibbey

    Joined:
    Mar 2, 2018
    Did you have to cut or clearance anything? I just installed a set of solid motor mounts in the car . L
     
  5. az92coupe

    Joined:
    Mar 21, 2005
    Nope, nothing was altered when I swapped mine. But again.. my kit was an early kit with different turbo placement. I have a old build thread for that car on here somewhere.. I'll try and find it so you can at least look at pictures.

    Edit: Here is the build thread on that car. It seems like a lot of the original pictures are missing from the thread though. I'll look through my archive and see what kinda pictures I can dig up after work tonight. https://www.theturboforums.com/threads/91-coupe-1st-gen-hellion-kit.381245/
     
  6. Jlibbey

    Joined:
    Mar 2, 2018
    Thanks for the thread. The kit I have has front cross over . The 62mm might just do thanks
     
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