⚠ Incoming Debris Advisory ⚠

EBAY
TURBOS

We have rebuilt turbos that arrived in ziplock bags. We have rebuilt turbos where the compressor wheel was still in the intercooler. We have rebuilt turbos where the oil inlet was simply not a hole that went anywhere. We have seen things. We can help.

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TRUST BRAND • TURBO BRAND • TURBO KING • SPEEDZONE • MAXSPEED • TURBO CITY • MEGA BOOST • ULTRA CHARGER • POWER BOOST PRO MAX • RACING EDITION • TRUST BRAND • TURBO BRAND • TURBO KING • SPEEDZONE • MAXSPEED • TURBO CITY • MEGA BOOST • ULTRA CHARGER • POWER BOOST PRO MAX • RACING EDITION •
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THE FIVE STAGES OF
eBay Turbo Ownership

We have watched this play out hundreds of times. There is a predictable arc to every eBay turbo purchase. It is almost beautiful in its consistency.

01
Denial
"$79 with free shipping. It's probably the same thing. They all come from the same factory anyway."
02
Excitement
The box arrives. It has a sticker on it. The sticker says "HIGH PERFORMANCE TURBOCHARGER." You feel good about this.
03
Installation
Two of the bolts are the wrong thread pitch. One water port is purely decorative. It smells like machine oil and regret. You proceed anyway.
04
The Sound
It spools. It actually spools! For exactly 847 miles. Then it makes a new sound. A sound you have never heard before. A sound from another world.
05
Acceptance
You are on theboostlab.com. You are reading this page. You know what you did. We do not judge. We have seen worse. Ship it.
⚠
A Word on Shaft Play Before We Continue
The shaft play spec on a quality rebuilt turbocharger is measured in thousandths of an inch. The shaft play on a fresh-out-of-the-box eBay turbo is often measurable with a standard ruler. We once documented 0.048" of radial play on a unit that had never been run. The factory had achieved this. On purpose. Out of a box. That is a special kind of engineering.
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THE SPECIMEN FILES

A curated selection from our archives. Names have been withheld to protect the innocent. The turbos, however, were not innocent.

FILE #001 • RECEIVED Q1 DECEASED
THE MYSTERY BOX
aka "Universal Turbo Fit Most Car" -- listed on eBay under 47 different vehicles
Arrived wrapped in bubble wrap and a layer of what we believe was optimism. The compressor housing casting had a void in it that was not a design feature. The oil drain had a 90-degree elbow cast into the housing that directed oil away from the drain and back into the center section. This was not an accident. Someone engineered this. Somewhere, there is a drawing of this turbo on a computer screen, and a person looked at it, and said yes.
Gravity. Oil went nowhere. Bearings went everywhere.
FILE #002 • RECEIVED Q2 DECEASED
THE PHANTOM BALANCER
aka "Garrett Style GT35 High Performance BB Turbo" -- not a Garrett
Owner reported it ran for three weeks before the engine bay sounded like a blender full of gravel. VSR test at teardown revealed the shaft assembly was balanced to a tolerance that could only be described as "vibes." The compressor wheel had six blades of five different thicknesses. Our shop's VSR machine refused to display the result -- it just showed an error code we had never seen before. We printed the error code and put it in the file. We still have it.
Imbalance-induced bearing failure at approximately 8,000 rpm. Which was third gear.
FILE #003 • RECEIVED Q3 CRITICAL / STABLE
THE OPTIMIST
aka "TD05 Style Upgrade Turbocharger 600HP" -- rated 600HP in the same sense that a folding chair is rated for space travel
Owner came in with a genuine TD05H rebuild quote and left with an eBay unit after a Google search. Came back eight months later with the eBay unit in a grocery bag. The good news: the TD05H housing was intact. The bad news: the CHRA inside it had been replaced at the factory with a bearing assembly sourced from somewhere that does not appear on any approved vendor list. We rebuilt it properly. It runs. The owner has since bookmarked us.
Counterfeit internals in an otherwise acceptable housing. The housing was innocent.
FILE #004 • RECEIVED Q4 DECEASED
THE HEAT SEEKER
aka "Water Cooled Turbo with Water Cooling" -- technically accurate
It did have water ports. Two of them. They went into the housing approximately 4mm before ending. They did not connect to the bearing section. They connected to nothing. The water jacket was aesthetic. The turbo was oil-only cooled, but the listing said water-cooled, so the owner connected water lines to both ports, observed them do nothing, assumed this was normal, and drove the car for six months. Honestly, the turbo outlived our expectations. We respect its perseverance.
Oil coking from a water jacket that was a suggestion rather than a feature.
FILE #005 • RECEIVED Q1 MIRACLE
THE SURVIVOR
aka "Amazon LS1 Camaro Turbo Kit Complete" -- it had a turbo in it
Owner purchased a complete turbo kit for a Gen III LS engine. The kit contained, among other things: one turbo, one wastegate that opened only under specific barometric conditions, instructions printed in a font size of 4pt in a language we have not been able to identify, and a boost gauge with no markings on it. The turbo itself was somehow fine. Internally unremarkable but functional. We rebuilt it, VSR balanced it, and it went back on the car. The wastegate situation is between the owner and God.
None. It lived. We were as surprised as anyone.
FILE #006 • RECEIVED Q2 DECEASED
THE COMPRESSOR LIBERATION EVENT
aka "T04E Style Hi-Flow Performance Turbo with Free Shipping"
The compressor wheel departed the housing at approximately 4,500 rpm during a casual on-ramp merge. The wheel traveled through the intercooler pipe, the intercooler, the throttle body, and impacted the intake manifold. Fragments were found in cylinders two and four. The owner called us from the side of the highway. We talked them through the situation with compassion. The engine block was later donated to a community college automotive program as a teaching example. The turbo arrived in four separate bags, labeled by the owner, which we found very helpful.
Compressor wheel burst from insufficient bore material and a trim ratio that existed in theory only.
FILE #007 • RECURRING THE CERTIFICATE
THE VSR REPORT
aka "Professionally Balanced -- Certificate Included"
Many eBay turbos arrive with a VSR balance report printed on a sheet of paper. The report has numbers on it. The numbers look like they were measured by equipment. We have now seen the same VSR report -- same values, same date, same machine ID -- included with turbos from at least eleven different sellers across three different "brands." It is one document. It was balanced one time, possibly, and then photocopied into eternity. We have framed a copy of it in the shop. It is our favorite piece of art. The actual shaft assembly in the turbo it came with was balanced to a specification that could charitably be described as "rotates."
The certificate is not evidence of balancing. It is evidence of access to a printer.
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ADVERTISED VS
Actual

A scientific comparison based on years of fieldwork. All figures are approximate and based on the assumption that the listing was written by a human.

Specification Listing Claims What We Find Notes
Horsepower Rating600HP~180HP before it grenades"600HP" refers to a theoretical universe
Bearing TypeDual Ball BearingJournal bearing, two sleeve type, one mystery typeBall bearing means there are balls. Somewhere.
Shaft Play (Radial)Not specified0.025" to 0.048"OEM spec is ~0.002"-0.003"
Shaft Play (Axial)Not specifiedMeasurable without instrumentsYou can feel it with your finger
VSR Balancing"Factory Balanced"Not balancedFactory existed. Balancing did not.
Included Balance Report"VSR Certificate Included"Same PDF, different turboWe have seen the same report on 11 different turbos. It is one document. It is a stock photo of data.
Compressor WheelBillet Forged AluminumCast, uneven blade spacing"Forged" is a strong word choice
Expected Lifespan"Long Lasting Quality"500-1,500 miles with luckLuck not included
Oil Port Positioning"Standard fit"OptimisticSometimes the drain goes up
Water PortsIncludedPresent. Decorative.See File #004
Included HardwareComplete kit with gasketsTwo random bolts and a zip tieThe zip tie is the most useful item
Returns Policy30-day returnsAccount no longer activeThis is the way
Seller Rating99.8% positive (412 sold)Same seller, different accountSold under 23 store names
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QUESTIONS WE HAVE
Actually Been Asked

Yes. We will look at anything. We have seen everything. We tear it down, document what we find, and tell you honestly whether a rebuild makes economic sense or whether the money is better spent on a quality unit. Sometimes the housing is fine and we can rebuild the CHRA properly. Sometimes we open it and have a moment of silence. Either way we will give you a straight answer before charging you anything.
Statistically speaking, no. Six months is the upper range of what we call the "optimism window" -- the period between installation and what the community has lovingly termed the "Compressor Liberation Event." We would like to personally congratulate you on your six months. Now please send it to us before something interesting happens on the highway. A proactive rebuild with quality internals and VSR balancing will outlast the car.
No. Garrett does not sell turbos on eBay for $89. Garrett has a website, a sales team, authorized distributors, and a legal department that would like a word with whoever is using their name. What you have is a turbo that is "Garrett style," which is the mechanical equivalent of a "Rolex style" watch from a gas station. The housing may share general proportions with a Garrett product in the same way that a child's drawing of a car shares general proportions with a Ferrari. Ship it. We'll sort it out.
Your friend is either extremely lucky, running extremely low boost, or has a better unit than he thinks. Occasionally an eBay turbo ships with internals that are merely mediocre rather than catastrophic. It happens. It is not a guarantee, it is a lottery. The difference between a properly rebuilt quality turbo and an eBay lottery ticket is the difference between a known outcome and a game of turbo roulette played on an onramp at 70 miles an hour. We are not against gambling on principle. We are against gambling with your engine.
This has happened. More than once. The answer is yes, absolutely. We will give it the same teardown treatment and we will try very hard not to have opinions about the decision that led to this situation. Everyone makes choices. You made a choice. The choice made another choice. Now there are two turbos and you have found us. This is fine. We will fix the one that can be fixed. Ship them both.
Yes. That is correct and we understand how that feels. A proper rebuild -- teardown, quality bearings, new seals, VSR balancing on calibrated equipment with an actual result -- costs real money regardless of what the original turbo cost. We are not going to cut corners on the rebuild to match the price of the thing that just failed. The math is what it is: a quality rebuild on a marginal housing sometimes costs more than another eBay turbo. You already know how the next eBay turbo ends. You have data on this. We are not going to tell you what to do -- but when you are ready to stop the cycle, we are here.
We have received the same VSR balance report -- identical values, identical machine ID, identical date -- with turbos from at least eleven different sellers. It is one document that has been photocopied and included with turbos that were never near a balancing machine. A genuine VSR balance report has the serial number of the specific unit, the measured residual imbalance before and after correction at operating speed, and the target tolerance. It is specific to that shaft assembly. A generic certificate with no unit reference is a piece of paper. We have one framed in the shop.
Something with a name. Something where the company exists and has a phone number. Garrett, Holset, BorgWarner, IHI, MHI, GReddy, HKS -- these are all brands that have engineering departments and quality control processes that do not involve a person eyeballing a compressor wheel and saying "close enough." We rebuild all of them. If you tell us your application and your power target we can point you at the right unit and have you set up properly. The cost difference between a quality rebuild and replacing an eBay unit every eighteen months is significant.
🙋
No Really -- We'll Take It
Jokes aside, we genuinely inspect and rebuild every eBay turbo that comes through our door with the same care as any other unit. Sometimes the housing is perfectly good and we can rebuild the CHRA with quality internals, VSR balance it properly, and give you a turbo that will actually last. Sometimes we open it and the honest answer is that a quality replacement is the better investment. Either way you get a straight answer before we charge you a dime for the rebuild. Ship it and we'll tell you what you've got.
All Jokes Aside
SEND US THE TURBO

Start a rebuild request in our repair system. Every unit inspected and quoted before we proceed. In-house VSR balancing since 2008. We have seen your turbo before. We can help.

Start Your Rebuild Request
sales@theboostlab.com theboostlab.com Dade City, FL