Contour Enthusiasts Group Archives Forums Modifications Forced Induction My new turbo

Well I picked up a turbo from work. It was defective on the line because it was leaking oil. They scrapped it and I got it for free. I figure I can tear into it an figure out what caused the leak and then fix it. I'm guessing theres a seal somewhere that wasn't placed correctly during the assmebly process. Anyhow it seems a bit large for my 2.5L CSVT engine to be pushing it, so it may end up on my Camaro's 358. Assuming I can fix it. Anyhow take a look and toss out your opinions. It's a Caterpillar Perkins turbo, P/N 2674A348, it came from a 6 cylinder diesel. For the moment thats all I know about it.

You'll have to read the trims sizes stamped in the housings.
Or research the caterpillar engines and see what turbos are used on them to size it.

I took it apart to see what was going on. It appears oil had seaped out through the connection in the middle. I'll let pictures do the talking (to be posted later). Where are these stampings and what should I be looking for?

Pics of the insides...



Note the three marks.








Now in this next picture I'm not quite sure what this is. There are a total of three of these little gaps (they made the marks in the previous picture), which are evenly spaced. Just because of that it makes me believe they are there for a reason, but at the same time there is oil leaking from the same area so I don't know. I know the picture is a little blurry, sorry.

A turbo that blows oil.......hmmm, you may want to read the post called "Crap" - an faulty turbo is NOT exactly the best basis from which to build a turbo-kit. (Nor is a honking HUGE turbr from a monster deisel, for that matter)

Originally posted by Stazi:

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an faulty turbo is NOT exactly the best basis from which to build a turbo-kit.

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Stazi it was FREE. If I can fix it for under $75 it's worth it.

Originally posted by Stazi:

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Nor is a honking HUGE turbr from a monster deisel, for that matter

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Well maybe not on a Contour, but if you read this:

Originally posted by CSVT#49:

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Anyhow it seems a bit large for my 2.5L CSVT engine to be pushing it, so it may end up on my Camaro's 358.

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I'm pretty sure my Camaro's engine can push it.

I realize you probably work there, but among the trucking industry, Caterpillar engines have the reputation for being giant boat anchors. I wouldn't trust it.

And I doubt the displacement of your Camaro is even HALF the displacement of the CAT engine this came off of.

its a pretty cool yellow paper weight