PTTM

Ok I got a few questions for you. Do all turbos come with internal wastegates? If a turbo has one but I want to use an external waste gate can I? Are internal wastegates adjustable? What do you guys think of the turbo out of a probe?

Thanks

Dr.Boost

Q.Do all turbos come with internal wastegates?
A.No. Not all turbos come with internal wastegates.

Q. If a turbo has one but I want to use an external waste gate can I?
A.Yes. You will need a new flange. It looks like this http://cgi.ebay.com/ebaymotors/ws/eB...category=33742

Q.What do you guys think of the turbo out of a probe?
A.Very small. Used to power R/C cars. Could be used to spool a real turbo.
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PTTM

What turbo should I use. I have a 2.0l 16v vw comp is 8:1. My goal is 5-10 psi hopfully 180-200hp. I'm trying to build it on budget.

Dr.Boost

200 HP on a probe turbo? Sounds crazy, but I'm sure someone has done it. I'm guessing you will be going to a junkyard to pull a turbo off a car? I have never yanked a used turbo from a car before so I'm not sure which ones to go for. I would look for something with bigger numbers than a probe though. Maybe a Thunderbird Super Coupe? It at least has a V6.
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D16Z6si

A turbo off a Freightliner truck would surely get you in the 150-200 WHP range... (you'll need a big diameter downpipe though)