New Garrett GTX2867r

[Croustibat]

I am posting real world data on an SR20DET equiped with a gtx2867r.

Please, remind me what you posted here, besides some nonsense about going top mount and stroking when the question was "can you get 450WHP out out an SR20DET with a gtx2867r ?

Just shut up man, and crawl back in your jdm fanboi hole. Thanks.

[unijabnx2000]

I answered just that question and you chose to argue with yourself on the internet...

[Croustibat]

Originally Posted by unijabnx2000

I answered just that question and you chose to argue with yourself on the internet...

Man, i was not talking to you, and i am not even arguing, just calling a retard what he is.

But we can talk about you if you want. Note that i dont have anything against you, so please understand this.

First, not everyone runs C16 in their car.

Second, people are usually also concerned about reliability. So yes, it is prettly important to say that if getting 450WHP requires 1.8bar boost, it puts the turbo nearly in overspin territory (or in it).

Now i do understand someone who burns 12$/gallon fuel may not be concerned about reliability, but most people here run pump gas, meaning your answer is a bit irrelevant.

I am getting some numbers, very soon i hope, and i really think the setup may nearly be one of the best sr20 + gtx2867r setup you can get running on pump fuel. I am willing to share it, because that is exactly what this thread is about.

Now can you please tell me what is the problem here ?


edit: i was serious about getting your car mapped. I still dont have the numbers, but i know he has got full boost (1.8bar) at 3500rpm. You seem to hit that 1000rpm later, i am just saying you could get a more responsive engine with a better tune.

[usdm180sx]

Originally Posted by Croustibat

I am posting real world data on an SR20DET equiped with a gtx2867r.

Please, remind me what you posted here, besides some nonsense about going top mount and stroking when the question was "can you get 450WHP out out an SR20DET with a gtx2867r ?

Just shut up man, and crawl back in your jdm fanboi hole. Thanks.

I'm just trolling you pal because you're acting like a douche bag. Me a Jdm fanboy? Lol I don't even have a 240sx. Don't come on here acting like you're the shit son. Go race an escargot or something haha Anyway, yes this is pointless if you think you are right, so be it.

[McRussellPants]

Originally Posted by usdm180sx

fanboy? Lol I don't even have a 240sx.

trolling with a 4700 Post Count on a Forum for 240SX's without owning a 240SX makes you not a fanboy somehow?

Killer.

So basically, it looks like the 2867 has done, and can do 450whp. Which isn't shocking because T3 2871s were doing that forever ago. Has anyone actually leaned on a 2867 yet and seen what it can do?

26psi puts it about right at the edge of its 45lb/min flow rate at 7000rpm. has anyone tried to choke one out at 30?, bet it'd make party torque.

[cotbu]

45lb/min doesn't equate to 450whp more like 410-415!!?!!
Maybe with aggressive tuning 430.
Anywhoo someone does need to push that turbo, it's didn't even scare me when it hit 25psi, like my 2871r does at 23psi

[EsChassisLove]

You want 450whp get a GT3071 or GTX3071

Quit playing with baby turbos lol.

[Croustibat]

ok, here is the dyno chart. Mind you, the engine was designed and mapped for maximum early torque, which seems to be the opposite of what unijabnx2000 did. Both are nice extremes i think.



green line : 1.8bar boost, 438HP @ 5900rpm, 57Mkg (that is 412ft/lb)@5000. Looks weird to me, like he stopped accelerating at 6000rpm...

red line :1.2bar boost, 330HP@6100rpm. And 47Mkg at 4400rpm.

Edit: looks like the wastegate was leaking a bit. that could explain some things ... guess it will go back on the dyno some days with this fixed.

Edit2 : changed the pic for a working one. Also note this is with a JASMA exhaust that has a 3ft long 2" wide restrictor. And now, the restrictor is gone

[cotbu]

Originally Posted by EsChassisLove

You want 450whp get a GT3071 or GTX3071

Quit playing with baby turbos lol.

If you can't make the power a baby turbo makes, how are you ever gonna make the power, a big boi turbo makes.
That's if you believe there's a difference between half a car and five!

[Croustibat]

I dont know if it is the correct way to embed a video, but here is the dyno .

http://vimeo.com/65543081

This thing has nearly no lag.

note : it cant maintain 1.8bar boost. Cant remember exactly but i think they could only get 1.4bar at 6000rpm ( wastegate leaking ), so its not going to overspin.

edit: ok i give up, cant embed. click on the link

[801nismo104]

Originally Posted by Croustibat

I dont know if it is the correct way to embed a video, but here is the dyno .

passage au banc S14 NCMA: SR20det @ 438.2hp & 56.6Mkg on Vimeo

This thing has nearly no lag.

note : it cant maintain 1.8bar boost. Cant remember exactly but i think they could only get 1.4bar at 6000rpm ( wastegate leaking ), so its not going to overspin.

edit: ok i give up, cant embed. click on the link

what kind of cams are you using?

[Croustibat]

It is not my car. The guy on the video is the tuner & (co engine builder ? i dont know if he worked on that one). It spools very fast because it has a twin scroll fullrace exhaust manifold mainly. And its mapped for that (maybe e85 helps too but i dont know, usually it makes turbo spool a bit later). I cant say about the cams, except they are HKS ones.

[BlackZenkiS14]

So how many of you guys are still on stock bottom end and head gasket with this turbo?

And how far can you safely and reliably push it without building bottom end or changing head gasket?

[rbs14kouki]

Here is a lotus super7 replica with a sr20det ! We just did a tuebo swap from stock s14 t28 to gtx2860r !

Ill post the dyno result soon

[Drift_FX]

sweet project..... that thing street legal?

[cotbu]

Originally Posted by BlackZenkiS14

So how many of you guys are still on stock bottom end and head gasket with this turbo?

And how far can you safely and reliably push it without building bottom end or changing head gasket?

The standard I follow maybe a little on the high side but here it is. stock bottom end can hold 450hp stock head gasket will blow from age, or detonation, etc. The head gasket is at least 17 years old. The head gasket is the weak link and it should be, but it's old a fuhhhk. I pushed 401hp on a mustang dyno at 21psi, I pushed 424hp on a dynojet at 22.5psi. That's when I decided to upgrade the head gasket and studs. Will everyone have the same results? No! You have to take all the logical information and make your own decision. Over building is not the answer though, but people still use terms like bulletproof, and will never push the engine to keep it that way. I beat the crap out of this redtop, with every turbo it has ever had, stock t25, gt28r, gt2871r, not to mention it's seen it's share of clutches, tires, spark plugs and fuel and then some.
The decision to swap a headgasket is tricky.
My head, block and gasket showed no signs of detonation. I do still have the gasket hanging in the shop and could get pictures. This is probably because of my tune. I followed the 11.5wot, and 14.7-15.2cruise rules Timing rules you can't have.

So if you've been having, spark plug breaking issues, cooling issue, oiling issues you might reconsider even pushing the engine hard.

So no one can actually say what is the safe limit, you will either take it there yourself or not.
Someone posted a picture about the stock max power, but that was passed by me long ago. So again not true in my case. And I'm not saying 424hp 372tq and 22.5psi is the max either, but what is MAX right before it blows up? or what?

[rbs14kouki]

Originally Posted by Drift_FX

sweet project..... that thing street legal?

Yes ! The owner is driving it to is time attack chalenge around here ! Must be a blast to drive

[e1_griego]

I am still on stock bottom end and hg -- only running 14-15 psi. Car made 342 on a mustang dyno, guessing it'll be around 360 or so on a dynojet?

[cotbu]

Originally Posted by e1_griego

I am still on stock bottom end and hg -- only running 14-15 psi. Car made 342 on a mustang dyno, guessing it'll be around 360 or so on a dynojet?

The only way to be sure, is to get on a dynojet at least twice.
Out of the 3 dynos I use the dynojet reads the highest, but not every dynojet will read the same. I look for consistency between the same dyno, then compare across
I avg 10hp on a dynojet, 9.6on a dynopack and 8.6 on a mustang per psi of boost.

[BlackZenkiS14]

Originally Posted by cotbu

The standard I follow maybe a little on the high side but here it is. stock bottom end can hold 450hp stock head gasket will blow from age, or detonation, etc. The head gasket is at least 17 years old. The head gasket is the weak link and it should be, but it's old a fuhhhk. I pushed 401hp on a mustang dyno at 21psi, I pushed 424hp on a dynojet at 22.5psi. That's when I decided to upgrade the head gasket and studs. Will everyone have the same results? No! You have to take all the logical information and make your own decision. Over building is not the answer though, but people still use terms like bulletproof, and will never push the engine to keep it that way. I beat the crap out of this redtop, with every turbo it has ever had, stock t25, gt28r, gt2871r, not to mention it's seen it's share of clutches, tires, spark plugs and fuel and then some.
The decision to swap a headgasket is tricky.
My head, block and gasket showed no signs of detonation. I do still have the gasket hanging in the shop and could get pictures. This is probably because of my tune. I followed the 11.5wot, and 14.7-15.2cruise rules Timing rules you can't have.

So if you've been having, spark plug breaking issues, cooling issue, oiling issues you might reconsider even pushing the engine hard.

So no one can actually say what is the safe limit, you will either take it there yourself or not.
Someone posted a picture about the stock max power, but that was passed by me long ago. So again not true in my case. And I'm not saying 424hp 372tq and 22.5psi is the max either, but what is MAX right before it blows up? or what?

Right on, well my car runs its ass off, stays cool, and has never shown any signs of detonation. I'm running a clean JWT tune with 11.5-12.0 AFR with meth/water also.

I'm just trying to figure out at what power level should I stop trying for more if I don't want to have to build it, or start significantly decreasing reliability.

[e1_griego]

Originally Posted by cotbu

The only way to be sure, is to get on a dynojet at least twice.
Out of the 3 dynos I use the dynojet reads the highest, but not every dynojet will read the same. I look for consistency between the same dyno, then compare across
I avg 10hp on a dynojet, 9.6on a dynopack and 8.6 on a mustang per psi of boost.

I mean the local dynojet that I dynoed my gt2876 on.

[huffandpuff00]

^^^yeah when you gonna put that on the dyno at psi? im interested to see how much the dynojet will vary

[e1_griego]

Probably not any time soon. Too much hassle to take time off from work for something I don't care about that much lol

[RocketOgre]

Anyone know if I can fit the compressor housing from my GT2871R onto a GTX286_? After 200k miles at 15+ psi the turbo is showing it's age and I'm thinking about upgrading it while I have the head off. It certainly looks like I can because they have compressor wheel upgrades for my 2871. I really like my OEM style intake and outlet housing though and would love to avoid fabricating new pipes.

Thanks in advance.

[rbs14kouki]

Originally Posted by rbs14kouki

Here is a lotus super7 replica with a sr20det ! We just did a tuebo swap from stock s14 t28 to gtx2860r !

Ill post the dyno result soon

We ran out of fuel ! The owner didnt even know what fuel pump he had in the tank !

Sr20det engine and transmission , mazda miata diff , custom drive shaft , aem ems4 ecu , 7**cc injectors

It made Around 280whp at 14psi // mustang dyno

[BlackZenkiS14]

Since this is applicable....what are the advantages of extrude/honed manifold with EWG vs. normal manifold with EWG? Both OEM obviously.

Like is it butt dyno fun? Or actual more power to the ground?

Looks like I'm going to be going GTX2867 and MVS EWG with OEM manifold sometime in coming months, just trying to figure out if it would be worth the extra 500 bucks to get the extrude job as well.

Also, talk to me about thermal coatings on the manifold...worth it? Advantages?

[jr_ss]

Originally Posted by RocketOgre

Anyone know if I can fit the compressor housing from my GT2871R onto a GTX286_? After 200k miles at 15+ psi the turbo is showing it's age and I'm thinking about upgrading it while I have the head off. It certainly looks like I can because they have compressor wheel upgrades for my 2871. I really like my OEM style intake and outlet housing though and would love to avoid fabricating new pipes.

Thanks in advance.

Simple answer no. The GTX is bigger all around on the compressor side.

Originally Posted by BlackZenkiS14

Since this is applicable....what are the advantages of extrude/honed manifold with EWG vs. normal manifold with EWG? Both OEM obviously.

Like is it butt dyno fun? Or actual more power to the ground?

Looks like I'm going to be going GTX2867 and MVS EWG with OEM manifold sometime in coming months, just trying to figure out if it would be worth the extra 500 bucks to get the extrude job as well.

Also, talk to me about thermal coatings on the manifold...worth it? Advantages?

Since turbos thrive on heat, anything to keep it in manifold/ex. housing is a good thing. Some coatings are better than others. My manifold is thermal coated, so is my exhaust housing, And it also has a PTP turbo blanket wrapped around it. Overkill? Perhaps, but it'll keep under good temps down as well.

[BlackZenkiS14]

That all sounds like a great idea either way. I pretty much in the process of going through everything I can to keep temps down under the hood. I'll probably follow suit with all of that.

How about extrude?

[cotbu]

Originally Posted by jr_ss

simple answer no. The gtx is bigger all around on the compressor side.

GT2871r.56 trim

743347-2	446179-32	53.10	71.00	56	0.60	53.90	76	0.86
743347-4	443179-32	53.10	71.00	56	0.60	53.90	76	0.64

GTX2867r.55 trim

816366-1	446179-94	49.70	67.40	55	0.60	53.90	76	0.86

[jr_ss]

That's my bad... For some reason I thought that was larger than the 2871R, but it's larger than the 2860R.