ok so i have been racking my brain for a few days as i picked up a partial momentum kit for a price i could not say no 2. so before i get the sell the kit and run a BP kit i want to hear those ONLY with other options for THIS KIT. please and respectfully. i know most are bias and what not but i want to see if anyone has ever ran a 6266 or simular turbo setup on a power lab or a momentum setup WITH THE vbands. also what other options would there be. i cannot imagine it being too dificult to chop the pipes to accomidate a T4 setup. but if possible running the Vband PTE 6266. if you are un familiar with my setup i ran a vortech w a 928m impeller and supporting mods and made 608 on z1s dyno shortly after spinning the blower 12k rpm faster then suggested threw both the impeller bearings.... i would like to be somewhere near this power with this new setup.

after alot of searching i found the gt37 and another thread i bumped in which the guy said he was going to use the 6266 but it dropped dead a while back. i am under the understanding that the up-pipe is the restriction in this kit? doesnt SnR run a 6266 setup so in theory can someone not just run the up pipe they run and make great power?

i am on a built motor with jwt c2 cams and a huge fuel system for 93oct (walbro 400/cjm2/1k injectors)

if i can make 580-600 hp with out modifying the momentum kit this is what i would like to try and acheive on 93 oct.

 

ALSO if someone knows where i can get the charge pipe that goes from throttle body to pass side intercooler and the AC lines it would be greatly appreciated. i am in contact w z1 as they have taken ownership to whats left of momentum. as well as SnR (who wants over 400 bucks for this pipe)

 

A local guy’s running a 6266 on his PL kit. Not sure what his pump gas/race gas numbers are though...

I made 510whp on pump gas w/stock exhaust manifolds and the GT35R turbo. Saad Saad made 620whp with the same setup on E85.

Best bet is to find a local fabricator to make the missing charge pipes for you...

 

WRT

" i cannot imagine it being too difficult to chop the pipes to accoodate a T4 setup."

I am very familiar with the MTM routing (installed it about 2 years ago). If you wanted to keep your AC compressor , I think it would be nearly impossible to shoe horn a true T4 flange and housing into that space.

If the compressor was to remain , you'd need to raise the whole housing up to make clearance for the T4 flange , then that would force the cold side housing to interfere with the cold intake pipe , and the downpipe would need to be cut and tilted.. etc etc. Waay more pain than it's worth.


WRT
"as well as SnR (who wants over 400 bucks for this pipe)"

That's actually pretty reasonable given the length , complexity of bends + BOV and MAF flanges.


WRT
"if i can make 580-600 hp with out modifying the momentum kit this is what i would like to try and acheive on 93 oct."

On a DJ and 93 = not likely. On E85 very doable.

 

Ok then removing the t4 from the equation what about runnin a 6266 w the vband housing? Or another PTE setup could this be a bolt on affair? I noticed the 37r setup doesn't net much gains so I don't care for that option...Also another question I have a Walbro 400 and after some search found out they make a e85 version and a non e85 version, how bad would running this pump w e85 be if it is the non e85. Also how wild is the swap to e85?

 

Any idea if he had to modify piping much to make this fit?

 

theres got to be someone who threw a 6266 or simular turbo w the v band setup on. anyone? any idea if it will actually fit well?

 

I am not sure what this guy(PL kit) ended up with but he was talking 6266. A lot of the momentum guys I think just install a 37. That would be my route when I get that far.

https://my350z.com/forum/forced-indu...lt-engine.html

Chris

edit as I read further you already posted there

 

It is pointless to use the PTE V-band housing. It is too small for a built VQ35 engine.


The 37 won't make any more power than a 35R, since the exhasut flow limitation is still the same. T4 is the only way to go with these engine IMO. With the 370z I measure EBP to be 2:1 at 7500rpm at just 10psi of boost....and that was with a 6266 T4 1.15 a/r twin scroll turbine. The car made 532whp, but still, the back pressure to boost ratio was high.

OP, if you are going to change things, get a 6266 T4 .81 or .96 a/r turbo. It will get you close to mid 600's on pump (93) gas on a DJ (.96 would be better IMO if you really want to push it)

 

For torque monster GTX 35R maybe?
http://www.enjukuracing.com/products...bocharger.html

BW maybe:
http://www.full-race.com/store/borgw...-79-turbo.html

 

Is the v band that my gt3582r has not equally as restrictive? And I assume those runnin the gt37r also running this same size v band would I not "in theory" make better power with a better flowing turbo such as the 6266 cea even in the v band flanges? My main question really is will it fit? Are te differences between the gt35r and this PTE 6266 large enough to make it not a bolt on affair. I got this kit so cheap I may be willing to make the "mistake" of running a v band 6266 on this setup just to see if it makes power. I mean it should make atleast what ppl are seeing with the gt37 or no? I see that you are saying back pressure is the issue what ill effects will high back pressure cause? And is there no cure to this other then go to a t4 flange. The least amount of modifications I have to do the better. Also what other then swapping the turbos would be required. The 6266 is not cooled by water like the 35r which would clean up the issue of not havin the coolant lines. I know most will say this or that but if someone is willing to throw the 37r which cost a lot ore then almost all PTE turbos why not give the 6266 a shot.

 

Also random question but all 35r momentum kits were te 1.03ar correct? It looks like if I did go w the 6266 v band it only comes in the .81ar. Bottom line would this make more power safely on 93oct. I have the fuel and a huge intercooler to hopefully keep AITs down

 

Good to know. Thank you. I will be following this thread for the future

Keep us update Bud.

Chris

 

This BW would do a great job on a built VQ. However, it is physically a much larger turbo than a 6766 with an E compressor cover. I was thinking about trying these turbos out, as they would fit just fine with the mid mount kit.

PTE's V-band housings are comparable to their T3 housing in flow terms, so it would not be of any benefit making the switch IMO. You have to keep in mind whatever the compressor can flow, the turbine has to flow even more. I think the Momentum kit with the 1.03 housing and a fully built engine (heads, cams...ect) made 516whp on Hal's DD. That is the lowest reading dyno I have ever seen though, so it is something to keep in mind.

For comparisons sakes, Hal made 613 whp on his monster GT42R (76mm turbo) fully built engine/heads/cams, 4" exhaust on pump gas. One of my customers with a 6766 T4 1.32 a/r turbo managed 560whp on the sme dyno (pump gas) and a simple short block build. This is the highest HP any production ST kit has put down on pump gas on that dyno. Coincidentally it is a kit with the largest turbine housing available in a production single turbo kit for the VQ35.

6766 T4 1.32 a/r dyno:



There is not much of a taper of HP at the top either, so maybe there was more left in this build with pump gas? Hard to say, as I am not the tuner.

I know the 6266 will do the job for what you are after, because I have customers making close to mid 600's (DJ) with a T4 .81 a/r housing and pump gas on simple short block builds. It has proven itself IMO, but the T4 housing is key.


It has nothing to do with IAT's. The IAT's are result of EBP, yes, but a big FMIC won't do much good for you. You need to address the flow issue, not temperature issue. Once the system flows well, IAT's won't be an issue at all.

EDIT:

I should also mention this...when talking to the guys at Sound Performance, I asked what turbine housings they use on the big HP 2JZ builds. They told me .81 a/r T4 with open inlet housings and 1.0 to 1.15 on the twin scroll housings. They also said that they would never use the .96 and 1.32 a/r housing on a 6 cylinder as it is too big.....those are housings for V8's. Well, that is not true at all if you look at the graph I posted here. It is also solid evidence that the 2JZ and the VQ35DE are two very different animals and should not be compared. (VQ35DE being a much better/more efficient engine)

 

Colombo, save yourself the head ache and go BP and sell off the kit you have to someone with lower power goals, if you are going to do it do it right

 

Thanks a lot for the in depth answer! Sometimes I honestly wish I had never touched the 6xx number w my Vortech setup cause then I wouldn't be chasing such a number although I didn't make that number w the blower until redline almost. Sometimes I need to remind myself what I am building the car for, and that is to have a fun track car that I can autox and throw on a road course time after time and continue to enjoy for a long time. The gt35r kit makes power fairly quick to my understanding and mid 5s is sill a tire shredding combo I may just say f It and run it and enjoy it as long as possible then pull off and sell down the road if I really "need" more power.... But 1 last final for curiosity Reasons lol if I was to chop off the v band would it be as simple as having someone weld on a t4 flange or would
The entire pipe have to be remade? Could I just buy the new power lab 6266 kit t4 pipe? Again thanks to everyone for all the real answers. Sasha I know this is not your kit as you have been extremely helpful! I really appreciate that a lot and I'm sure in the future we will be talking.

 

Here you go OP. A PowerLab kit with a PTE6266 and V-band turbine housing that made 527whp on pump gas and 650whp on Q16 race gas.

https://my350z.com/forum/exterior-an...50hp-z-21.html

Here's a pic of his ceramic coated V-band housing...

 

Hmm really thought it would be more impressive then that. I mean he made 527 at 18 psi pretty much what ppl are making on these gt35r's at simular/lower psi.

Considering the e85 option Aswell seeing as how I have 1k injectors and a large enough pump however not sure if my Walbro 400 is the e85 version. I know on overthinking all this. 500whp is more than enough to destroy a road course.

 

For comparison sakes, here is the same turbo with a T4 .81 a/r housing on 93 pum gas. Short block build..nothing else.



I know that Vince said there was another 20-30 whp left on the table with that particular setup/boost pressure, and the tune was more on the conservative side as the customer wanted 600whp...there was no desire to push it any further.