A new turbo....PTE's 6870
 

Just thought post this up here....


As I had mentioned in another post, I attended the SEMA show last week (for the first time :) ). Some great cars out there, and some incredible new technologies in the after-market performance world.

The one thing I really wanted to see was the new turbo at Precision's booth, a 68mm compressor and 70mm turbine unit rated at 1,100 HP. It is a very nice turbo, and although it is not available with a twin scroll turbine yet, it will still pack a hell of a punch with the tangential housing. The best part is that it will be compatible with the all new Boosted Performance V 2.0 kit. Since it comes with a large 70mm turbine wheel, it will be a great match for the VQ37VHR especially for those of you that really want to get the most power out of built engines on E85.


More details can be found here:

http://www.precisionturbo.net/news/P...r-Released/284

Please make turbo kit for AT!

Very nice

Nice sasha...you went all the way to sema to see the turbo??...if so hell ya dedication. Love it...that will be one hell of an upgrade for your kit...

this is going to get really juicy really quick!

There just isn't enough room under the car for all the plumbing. The oil pan is huge and takes up a lot of real estate.

That would be a bit of a waste of time/money. The primary reason for the trip was to find/talk to fabrication shops that would be able to take on mass production of this kit. I really wanted to see their work in person, and I did walk away impressed after talking to 4 potential candidates.

Yes, this turbo should really set the bar high. It already made 1,059 WHP on the 2JZ....although that was "all in". I would expect this turbo to get well over the 800whp mark on a properly built VQ37VHR and E85.

The twin scroll will be released soon as well...and I just have to make 100% sure it fits with the largest turbine housing.

Congrats sasha...good luck...

This beast is now available with a twin scroll configuration:

http://www.precisionturbo.net/news/P...-Available/288

I will order one of these right away, and take a lot of measurements just to make sure the turbine outside dimensions will work with the VHR V 2.0 kit.

I know for a fact that the tangential (non twin scroll) turbine will work, but the twin scroll would be ideal.

That's one purty turbo!

http://www.precisionturbo.net/images...dium/288-1.jpg

As soon as you find out Sasha let me know I'm really thinking about using this instead of the 6766 you sent me .

:eek2::drool:

Sasha - What A/R are you thinking? Sticking with 1.15 or something different?

Will do. I send an email to Precision this morning, asking about the outside dimensions. I don't see it being a problem, since the turbine wheel is only 4mm's (3/16") larger. I can't see the turbine being any different.

For built engines, 1.32 a/r is ideal. Stock block 1.0 a/r would do, but I would suggest 1.15 a/r.

Why would one run this setup on a stock block? The 6266 will produce way more boost than the stock block can handle.

Very true. The 6266 is capable of 600-650whp on pump.

There may be customers that are looking to build the engine if they get bored with 600whp. For those, this may be the turbo of choice right from the get go. Perhaps just upgrade the turbine when the times comes.

Need a guinea pig?? haha

And it's not me this time! I was the G and the first customer installed V1.5 pig.

haha touche! Oh how id love a bigger turbo (yes yes I know I have a stock block, but still)... mmmmhmmm booooooost. lol

BTW...I pulled the pos-cat O2 sensors last weekend and the idle is so much better. Cleaned up my AFR range a ton. I still have the lopey idle hiccup but even after that it dials the idle back in much better than before.

I pretty much found the same thing this past summer. Its not 100% but its much much better.

Oh man this is so tempting!! Can you please some dimensions when you get the turbo Sasha.

When I have the turbo here, this thread will be updated with comparison pictures.

Update...Finally got one of these turbos in my hands, and it looks fantastic.

Couple of pictures:

On the left, the new 6870 with the largest (1.32 a/r) turbine housing and on the right is the standard 6266 with the 1.15 a/r housing:

http://i137.photobucket.com/albums/q...psjcudbhyu.jpg

The business end:

http://i137.photobucket.com/albums/q...psb0zdcrkj.jpg

http://i137.photobucket.com/albums/q...ps0xklwgss.jpg


Now the important picture:

http://i137.photobucket.com/albums/q...ps3yirmtnt.jpg

On the left is the 6870, and on the right is a 1.32 a/r turbine for the 6266 turbo. As you can see the two are identical in diameter. This means that the larger 68mm turbo is going to be an option with this kit, without any fitment issues.

This turbo is rated to flow 110lbs of air per minute. That really opens up the 800+whp door with E85 fuel.

Another quick comparison...6870 T4 1.32 twin scroll vs 6870 .96 a/r tangential vs 6266 1.32 a/r T4 twin scroll housing:

http://i137.photobucket.com/albums/q...pseku6sf10.jpg


The .96 a/r housing (non twin scroll) is much more compact, and would work just as well with the V2 manifolds.

I am doing a complete install for a local customer in the next couple of weeks and will get a chance to really check how this looks on the car. Will update this thread at that point.

Awesome find but how many guys actually have built motors for such an application..? None the less at least the option is there... Can't wait to see mr sqeeze's setup but personally I would have gone with the 6466 (faster spool, more efficient)..

There are a lot of guys with built engines, they just don't brag about it. This engine is 6 years old now, and warranty periods are long gone for most, so built engines will become a lot more common.

As for efficiency, the 6266, 6466 and the 6766 will all work well and will get you the same HP across the board on pump gas (knock limiting). I have customers with all those turbos, as well as a couple with 7675 turbos. On pump gas, same tuner, same dyno there are all within 5hp. So in theory the 6266 would be the best fit, because it does have the lightest rotating assembly.

So, for stock block applications a BB 6266 with a T4 turbine 1.15 a/r turbo will be the most efficient, because most of the tuners are comfortable pushing these engines to no more than 550whp on pump gas. For E85 applications and stock block for up to 620whp, I would keep the 6266, but go with the 1.32 a/r housing. Of course, most tuners will be hesitant to push the stock block to that power level.

I should also mention that I would not hesitate for a second in putting this new 6870 on a stock block with a 1.0 a/r turbine housing. THAT, would also be a very efficient set-up, especially where these engines like to operate...in the higher RPM range. Spool difference would be negligible, and exhaust back pressure would be very low, which means very high efficiency.

They key to all these turbos on a VHR engine is turbine housing. Based on all the testing I have done, a T4 housing is optimal. A lot of guys are concerned about spool, when really, flow should be the primary factor when choosing a turbo (turbine).

:icon18:

I see what you did there.

:bowrofl:

Sasha is it an optical delusion in the 2nd and 3rd picture cause the 6870 compressor flange appears to be slightly larger than the one on the 6266. Are they both standard twin scroll T4 flanges?

fixed :tiphat:

Optics....they are the same.

Figured they were but just checking. It is Friday afternoon and all and I'm definitely due an adult beverage:tup:

So.....who's going to be the one that takes the plunge and drop the 6870 into their build???:stirthepot:

No. I intended to type it that way. It's a running joke around the office.

Different platform, but I am :) I know of a certain sliver built motor 370 with this kit that should upgrade his turbo immediately!

I'm just waiting for one of the BP guys to go with a stupid turbo size:tup:

I know of one 6766 that's close to complete but everyone else is on the 6266

What I do know is whoever decides to go with the 6870 on this kit will be a force to be recon with!

I will do it just have to get rid of this new 6766 that I have first .





I have to do it this turbo must go in the car :tup:

6870 T4 1.32 a/r, fits with room to spare:

http://i137.photobucket.com/albums/q...pswbyk9wtc.jpg

http://i137.photobucket.com/albums/q...psieo4z2lc.jpg


http://i137.photobucket.com/albums/q...pskdhux3ya.jpg

Pardon my ignorance
 

Pardon my ignorance, but having a turbo so close to the ground, would it be affected by water/rain? I understood that if cold water is splashed onto a hot metal that can cause it to crack. I know (at least I think) the housing is made of cast iron so when the car is driven when raining, what can possibly happen to the metal?

Never heard of a housing cracking, and there is over 100 of these kits out there. That would be the last thing on my mind to be honest.

I think with the airflow under the car,it would keep the turbo cooler as opposed to having it in the engine bay,no?

Nice to see that it fits Sasha now I really want one :ugh2: