So a bought a set of non-seq bnr stage 3's through this forum a while back. Ran them non-seq for maybe less than 2.5k miles then sent them to bnr to get them changed to non sequential. Right after i got them tuned I probably only drove them for 1k miles and now they are leaking oil from the rear compressor. It really sucks cause i haven't even pushed these turbos past 14psi ~1bar and for the price i should of just went brand new. So right now the car is sitting on a lift and I am stuck trying to figure out what to do. I have to break in my newly rebuilt block but it'll be spewing oil all over the roads so thats not really a smart option. Im told by lucky7racing that there is a local shop that does a rebuild for stock twins but at $1100 so bnrs might be more. The turbos are still working mechanically so it has to be a gasket inside. I have searched but found nothing specifically about bnr stage 3 rebuilds or why the rear compressor would be leaking besides experiencing wear over time. Has anyone had bnr replace seals? or any advice?

 

You bought them from me correct? Sorry they didn't last longer for you..... I never had a problem with them and pushed more boost than you were.

I'd recommend calling up Bryan at BNR on monday and see what he can do for ya. I'll put in a phone call as well being that they're my old turbos.

 

now that's classy

 

Yeah, Bryan at BNR will take care of you. Good guy there.

Dale

 

Still waiting on monday to call so any idea on a how much this is going to run me back? Im seriously disappointed in the quality of the product and barely got to enjoy them. Anyone know what's the price i could sell these turbos if i decide to ditch them? cause i saw a rebuilt set of old bnrs on the f/s section go for about $1400. And if this set gets rebuilt i'll be spending on shipping, rebuild costs, installation and that might already equate to about the price of a new set or more reliable turbo options. I have already spent $470 changing them back to sequential and thats only adding an actuator, so i already know getting them unleaky is going to be ownage...there goes my tuition FML

 

i am sure repairing these turbos would be less than buying another set for $1400.

 

https://www.rx7club.com/3rd-generation-specific-1993-2002-16/bnr-stage-3-turbo-oil-flow-seal-problems-211934/

yup sounds like my problem

 

I think I heard its like 600 for a rebuild but I have know idea where I got that info I just remember being told that lol.

 

Rich and Bryan are both superb indivdiuals. These guys will find a solution I'm sure. Just have patience.

Holy thread revival from 2003 Batman... Bryan has puch much more RnD into these since then and yours is the first problem I've seen publicly addressed with oil problems.

Just do as Rich said and talk to Bryan during the week.

 

I may be the only forum member left with Stage 2s, and they're still boosting great with no leaks

 

great cant get a hold of BNR supercars through the phone and turbos are already out and headed for the trash

 

^If that's the case send em to me. I'll take them

just have some patience. This will get resolved. Or send me your turbo's and I'll dispose of them for ya. I'd even pay shipping!

 

not literally but figuratively. yeah it will get resolved after spending X amount for something that i shouldn't be spending money on.

 

honestly bro just go single turbo.

 

I usually agree with you on most topics, however, considering he is spending the extra money to get them back to sequential operation..... do you really think "go single turbo" is applicable, relative, or even good advice?

 

well u have a point.... but year after year i see guys in this forum playing with twin turbos and eventually they go single . even if CABRERA gets the turbos working he will eventually go single... you and i know both know there is limits to twins (unless lightly higher than stock power) is your thing.

 

they are already in sequential but only crapped out me already. yeah i wish i spent my money on a single kit cause thats what the previous owner of these did. for all the money invested in these turbos i could of gotten brand spankin new ones but instead i got turbo that are said to perform without problem at 17psi

 

Take some pictures of the problem area....and contact BNR....they will take care of you. I am sure you can wait a week or two to get the issue resolved..how are you so sure it is a compressor seal??...not doubting you, but I have seen this type of issue plenty of times and it is never right to down a product unless you have proof that the problem is IN the product for sure. That being said, a little patience goes a long way with these scenarios. Take a break and let BNR respond to you and get you back on the road! - not even 2 days and you are already Sh*t-canning the turbos?...a bit rash if you ask me....

-Jack

 

well you'd be shiz canning the turbo if you barely put anymiles on it and you find it leaking from the rear. The shop Lucky7racing was working on my car and they showed me all the oil coming out from under a lift. They removed the turbos and its already sitting at a turbo shop as of this morning but nothing has been done yet.

 

Contact BNR. Bryan is a superb guy!! I sold a set to a local guy who had a boost leak and over spool the turbos. They didn't last long and needed a rebuild. He totally helped out and rebuilt the turbos at a superb price!! He is a great guy and also have been helping the rotary guys for years. Call him, explain your situation and see what he can do.

 

So your stage 3's didnt last long either and needed a rebuild. I called Bryan at BNR up and I'm not too sure he gave me a superb price cause I was offered way less less to rebuild at a reputable turbo shop locally. Herblenny, at least you dont have to deal with shipping as your live in alabama but i'd have to shell out fed ex funds to ship them back and forth across the country. Thanks for your input guys but NO THANKS BNR im getting these done locally with warranty.

 

Ej,

I dont think any turbos with boost leak and boosting 17-20lbs will last long. But what do I know. Either case, after all everything is fixed and they are running perfect with great response and power.

I'm not being bias... I currently have old stage 3, new stage 3, 2 x 99 280HP turbos, 4 x stock twins. Also there are couple (maybe several) hundreds of these turbos still running around the world.

 

yeah im not saying these turbos cant perform cause they did me good when they were running. I only had my boost set to 12psi and i was already content with the power. I do know that rich(goodfellafd3s), the previous owner, mashed 17psi on these all day as i read in some threads. I know that alot of twin sets are still around and perform well although i made the mistake of buying overpriced used and abused twins.

 

EJ, I know you're frustrated but I recommend you take a deep breath and think about what you're typing.

"overpriced used and abused," you're correct on one out of three counts. They were used turbos, but certainly not abused. They were boosted within their efficiency range, and I used synthetic oil (changed frequently) throughout my ownership of them. If they were overpriced I would not have not three people fighting over them either.

They were bought back at the end of 2006, over three years ago. I'm doing what I can to help you in this (see post #2), but please don't question my integrity or the kid gloves will come off.

Thanks.

 

I am sorry you are having issues with your turbochargers. I quoted you $1200 for brand new CHRA's installed. Theses aren't rebuilds.

These old threads from 2003-4 are the old style stage 3's. They used the stock CHRA's with a custom compressor wheel upgrade. The dynamic seal was really picky about a lot of oil pressure. Thats why they smoked. We vented the crank case and put restrictors in the oil supply and that cut down on the problem.

After all the issues back before 2004, I replaced the HT12 CHRA's with the new Garrett GT28 CHRA's. I use all carbon seal CHRA's and some are special order to have the dynamic seal. Rich special ordered the dynamic seals in his newer style BNR's. He had to have restrictors and a catch can with synthetic oil.

You know when you convert to single you have to have a .060" restrictor in the oil supply? Well this is the same thing. The reason you have to have that restrictor is because of the dynamic seal thats in the single turbo.

I would rather run the carbon seal b/c you don't have to do anything but bolt them up and go. Dynamic seals require oil system modifications b/c the turbo only wants 30-50 psi of oil pressure. The FD's have up to 100 psi of oil pressure and the turbochargers see 100% of that pressure.

The carbon seals block any boost pressure from distorting the oil drainage properties of the turbo. That boost pressure will actually get into the bearing housings and slow the drainage of the turbos causing the oil levels to rise above the ring gaps on both the compressor and turbine sides of the turbo. Thats where the blow by happens.

Say you have a 5 gallon gas can with a vent on the opposite end of the nozel. You open up the vent and fuel flows freely. Cap the vent and the fuel just trickels out and doesn't flow the nozel. This is the same theory.

Bryan@BNR