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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

Turbo Not Spooling The Same

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Old Sep 28, 2024 | 01:11 AM
  #21  
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What year is the car? I assume unopened engine?

What's the turbo and kit?
Old Sep 28, 2024 | 01:45 AM
  #22  
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1991, I havent and the previous owner said he didn't. The Turbo, intercooler set, and downpipe are all from the Cx Racing Turbo Kit Version 2
Old Sep 29, 2024 | 12:40 AM
  #23  
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Just did the bootleg boost leak test just like car passion channel did and found 3 things, with soapy water a few bubbles appeared at the first silicone joint from the turbo which is now fixed and gained about .5psi, then two small leaks coming from the gasket between the throttle body and intake manifold. I replaced that when I did the TPS with one to the composite ones.

Are there MLS, graphite ones or any other recommended type for turbod cars that would be better than the composite one?
Old Sep 29, 2024 | 03:44 PM
  #24  
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People usually use stock type gaskets there.

Check around the base of the fuel injectors at the head. There's at least two thicknesses of seals and the wrong ones will definitely leak. Been there.
Old Sep 30, 2024 | 09:11 AM
  #25  
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my TB one loosens every once in awhile, even have used a dap of blue loctite and it still backed out -- probably 1-2x per season of nice-weather street driving I get hissing and have to retighten them. Skunk2 TB and Manifold so YMMV
Old Sep 30, 2024 | 01:34 PM
  #26  
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1.8s are MLS gaskets, 1.6 has a paper gasket as far as I know. Replace it and torque to spec, otherwise I think you're looking for a bigger leak than a throttle body gasket though.
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