Turbo replacement time? What are my options?
08-09-2005, 12:57 PM
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Turbo replacement time? What are my options?
So i'm at that point again when my intake manifold looks like a saudi oil derek, and i'm producing a bit of smoke on the exhaust side at the mid-high range. I've seen ads for turbo rebuilds, but i'm wondering what an apropriate price range is. Moreover, since i have 3 cores altogether (the one in the car, and two on the shelf of my garage) would that provide me with a discount at these places? Ideally i'd like to get something other than a k26 so as to provide some more boost, and keep it past 4800rpm instead of falling off like the k26/6 and /7 that i've used. Unfortunately my budget doesn't permit anything drastic as i still have tuition to pay and books to get for next semester.
last but not least, is it possible for a decent DIY mechanic to rebuild his own turbo? I presume that a machine shop is needed as the internal shaft wears, but i have a lingering suspicion that the internal seals would wear a hell of a lot faster than the tempered shaft inside the core.
thanks for any info you guys could provide.
last but not least, is it possible for a decent DIY mechanic to rebuild his own turbo? I presume that a machine shop is needed as the internal shaft wears, but i have a lingering suspicion that the internal seals would wear a hell of a lot faster than the tempered shaft inside the core.
thanks for any info you guys could provide.
08-09-2005, 01:38 PM
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i haven't gotten the whole intake off yet, but by the amount of oil being blown through, i would be pretty sure there is a decent amount of shaft play.
Where would i go for a quality rebuilt k26/8, and would they take my three cores in order to get a discount? i know these things are usually traded in for rebuilds, so i'm trying to get the most bang for my buck & cores
Where would i go for a quality rebuilt k26/8, and would they take my three cores in order to get a discount? i know these things are usually traded in for rebuilds, so i'm trying to get the most bang for my buck & cores
08-09-2005, 01:46 PM
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I'm sure if you sold the other 2 cores you could send the other one in and have the job done fairly inexpensively.
as for where to go, apparently NOT to majestic in waco, tx - you can do a search on them
as for where to go, apparently NOT to majestic in waco, tx - you can do a search on them
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08-09-2005, 02:16 PM
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I had a 27-6 done at michigan turbo he's on the web sold me a new center and 6 hotside and I also sent along with my a 27 I pcked up off ebay. he put the new center and exhaust on with the 27 cold side for 560 shipped with a 1 yr warranty. had it back in 2 days
08-09-2005, 02:21 PM
#10
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Does anyone know where to find actual specs or compressor maps for K-series turbos? I can't find any on the net. And googling "KKK" brings up some odd websites, especially ones I wouldn't want to view at work.
08-09-2005, 02:21 PM
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Toll Free: (800) 848-8480
www.michiganturbo.com
ask for kelly he stocks just about every turbo imagineable.
www.michiganturbo.com
ask for kelly he stocks just about every turbo imagineable.
08-09-2005, 08:22 PM
#14
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There are KKK maps on this site but they are in metric, you need to use the calculator to convert units.
http://www.rbracing-rsr.com/turbotech.html
http://www.rbracing-rsr.com/turbotech.html
08-09-2005, 08:42 PM
#15
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How tight are the tolerances on the shaft anyway? Are we talking a tenth (.0001), or just a simple thou (.001)? If there is wear on the shaft, what does the shop do? Grind the shaft, chrome, and then re-grind to spec? I couldn't imagine it being tighter than a tenth.....very few grind machines can even touch that accuracy....especially one found at a mom and pop machine shop....
Sorry for the random questions.....I have no experience with worn out turbos....or the rebuild process. Just curious bcz my family owns a very capable machine shop here in CT. May allow me to buy worn turbos and rebuild them on my own time.....
Back on topic:
I would recommend a K26/8 if you're looking for something to hold boost at higher RPMs....and be cheap. But...finding a used K27/6 that can be rebuilt would be a nice turbo too....
Sorry for the random questions.....I have no experience with worn out turbos....or the rebuild process. Just curious bcz my family owns a very capable machine shop here in CT. May allow me to buy worn turbos and rebuild them on my own time.....
Back on topic:
I would recommend a K26/8 if you're looking for something to hold boost at higher RPMs....and be cheap. But...finding a used K27/6 that can be rebuilt would be a nice turbo too....