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Engine Specific Info and Questions => IDI Engine => Topic started by: Angry Tape on May 21, 2004, 08:46:06 am

Title: Which VW Turbo is better --- Quantum or Jetta?
Post by: Angry Tape on May 21, 2004, 08:46:06 am

Im getting ready to rebuild a turbo for my TD rabbit and Ive got both the turbo off an 84 jetta (Garrett) and the turbo off of an 83 Quantum (Aireasearch).  Any one more desireable or are they about the same?

Title: Which VW Turbo is better --- Quantum or Jetta?
Post by: VWRacer on May 21, 2004, 08:57:01 am

Hmm, I have an '85 Quantum with a KKK-24 turbo. I don't know about the Airesearch, but I've read that the K is better than the Garrett. If it was me, I'd go by which ever one is cheapest to rebuild...  :?

Title: Which VW Turbo is better --- Quantum or Jetta?
Post by: Angry Tape on May 21, 2004, 09:32:59 am

theyre the same to rebuild.  :D

Title: Which VW Turbo is better --- Quantum or Jetta?
Post by: fspGTD on May 21, 2004, 11:53:10 am

Garrett and AiResearch are the same company.  I found an abbreviated company history here:
http://www.shanaberger.com/engines/garrett.htm

Don't know if there are really 2 different versions of Garrett/AiResearch turbo available on the 1.6lTD - have you verified there are some differences among them?

I know the 1.6lTD KKK turbo is different than the 1.6lTD Garrett/AiReserach models - but what the differences are exactly and how they perform compared to one another is not very well documented.

Title: Which VW Turbo is better --- Quantum or Jetta?
Post by: VWRacer on May 21, 2004, 11:56:06 am

Quote from: "KarmannSport"

theyre the same to rebuild.  :D

Great! Then rebuild the one which appears to be in the better shape.  :D

Title: Which VW Turbo is better --- Quantum or Jetta?
Post by: Angry Tape on May 23, 2004, 08:24:35 am

So thats wierd.  I was under the impression that all Quantums got the KKK turbo.  SO apparently they came with AiResearch turbo's too.  Ill have to look a little closer at them to see if there is a differance...though right now it just seems one says GARRETT on the compressor housing and the other says AiResearch.  :mrgreen:

Title: Which VW Turbo is better --- Quantum or Jetta?
Post by: DieselsRcool on May 23, 2004, 08:53:32 am

(http://www.fostertruck.com/images/Airesearch_garrett-turbo.JPG)