Cast your vote, which turbine would you use with gt35r compressor?

[definitiveno]

I am looking at the gt35r or a gt3040r (gt3082r) and I can't decide which setup to go with. When I look at the compressor maps and turbine maps that are available from garrett and compare them with information off of some of garretts performance distributers they do not match up. When I went to ask garrett about this, I clicked on contact information, and there was a message saying "contact one of our performance distributers for more information".

On garretts website it says that the the gt30r's turbine is more efficient than the gt35r's, but then when I go to ATP's website (a performance distributer) there's say exectly the opposite. Actually all of the other turbine graphs available say the opposite but who would have better information on a garrett products than garrett?

Anyway, which would you guys use? Cast your vote, feel free to leave responses too, thanks for giving 30 seconds of your time


Please utilize the multiple choice options as they apply!!!

 

[twicks69]

If you are going to step up from the 30R to a 35R,along with keeping your current manifold (T3 I assume), then go with a 0.82A/R T3 housing. If you are going to step up to T4, then go with the 0.70A/R T4 divided (if possible).

I had a 0.81 T4 housing and it spooled by 4200rpms (full boost). I did NOT see any losses on the top end. I feel that you would maximize the turbo's streetability, mid range, top end and spoolup with the 0.70A/R T4.

Good luck,

 

[definitiveno]

mani is t3 but would have gone divided t4 had I known better before hand. As is the story of most of my dsm build, bought some thing since it was sort of the standard only to find later there is much better available.

 

[Cs4g63]

Just curious here but what would be the advantages to using the divided T4 compared to the standard T3.

 

[definitiveno]

Quicker spool up, better flow. Divided manifolds separate the pulses from your motor and distribute them in perfect order so that there is even and equal force hitting the turbine blades at all times . This primarily only affects equal leangth manifolds, and the benefits are found in top and bottom end. The gt35r turbine is probably one of the smallest you can find in t4 trim also.

 

[twicks69]

Quicker spool up, better flow. Divided manifolds separate the pulses from your motor and distribute them in perfect order so that there is even and equal force hitting the turbine blades at all times . This primarily only affects equal leangth manifolds, and the benefits are found in top and bottom end. The gt35r turbine is probably one of the smallest you can find in t4 trim also.

That is correct. The T4 housing may prove difficult to find for this, but it is a good investment if you do go this route.

If you are open to alternative turbos, may I please suggest the GT4088R with the T4 divided 0.96 housing (or smaller -- but you have to purchase the smaller housing separately)?

I am running it on my 2.3L setup with spoolup in 5th gear around 2800rpms, full response by 3200rpms and 25+psi by 3400rpms with the 0.96 divided V-Band housing on a DNP equal length T4 divided, 3.5" to 3" downpipe/back., on 2.5" IC pipes through a Magnus SMIM, 1000cc injectors, etc... It is ridiculously streetable on the stroker.

I was doing 11.0-11.2's @ 128-130's on 18psi with it in my full weight 2G, on a quick tune with my EMS, cutting slow ass 1.78 60's.... I know I could have gone faster, but I maxed out my fuel pump (walboro 255HP @48psi bfp), and I broke my front differential on the 5th pass.

I am only suggesting this turbo because it is just as potent as the 35R with its midrange and topend, and will get you that extra oomph if you want to go further in the future with your setup. Think about it. I also know that these turbos are now around $1475-1500. The 35R's are now as low as $1000 through a Garrett authorized dealer.

I am happy to answer any other questions that you may have about the 35R, 4088R or 4294R.

 

[twicks69]

Also on a quick note:

If you intend to go with the 35R, your stall convertor should be a good match for the turbo -- just go with at least a T3 housing larger than a 0.70A/R, and if you do a T4 housing go with the 0.70A/R.

If you are fine with having IPT upgrade your stall to a higher RPM, then go with the 4088R and the 0.81A/R T4 divided housing.

It all comes back to how much $$$$$$ you want to spend, and what your goals are for the car.

Street and 11's -- 35R
Street/Track and 10's (or 9's)-- 40R
Track and 9's -- 42R
Track only and 8's (and 7's) -- 45R

 

[pooker]

35r was my vote.

 

[Cs4g63]

Thank you for the info. It helps in more than basic understanding of turbos.

 

[GVR4592]

If you are going to step up from the 30R to a 35R,along with keeping your current manifold (T3 I assume), then go with a 0.82A/R T3 housing. If you are going to step up to T4, then go with the 0.70A/R T4 divided (if possible).

I had a 0.81 T4 housing and it spooled by 4200rpms (full boost). I did NOT see any losses on the top end. I feel that you would maximize the turbo's streetability, mid range, top end and spoolup with the 0.70A/R T4.

Good luck,

Where have you found a divided T4 housing for a GT35R? I've been looking for a couple months and haven't found anything.

 

[BrokenTsi]

Id personally go with the T67 dbb "37r". The t3 .63 housing has soon full boost around 4500rpms, and the .82 T3 around 5200rpms. Thats also avaliable in .68 T4, and PTE CAN build it in a .70 divided housing per special order.

 

[twicks69]

Where have you found a divided T4 housing for a GT35R? I've been looking for a couple months and haven't found anything.

My apologies -- I completely forgot that mine had an UNDIVIDED T4 0.81A/R housing. I purchased the housing from PTE around 1.5 years ago.

My 40R is running a divided T4 housing. -- I am sorry for any confusion!

I did look quickly at Garrett's page, and they do have a 35R setup with a V-band turbine housing from 0.68 to 1.06A/R (GT35R part numbers with the final suffix ending in -21, -22, or -23.).

Personally, I would call Garrett Directly, then call PTE. Alot of options have changed in the last few monthes with these turbos. Including dramatically reduced prices from Garrett distributors.

More than likely, they are now able to build you a 0.70 or 0.86 T4 divided turbine setup if you ask them about it.

 

[definitiveno]

Shoot I thought there was a divided t4 in there but it's just divided t3. Freak if you can find a manifold, that would work just as well imo.


http://www.atpturbo.com/Merchant2/m...OD&Product_Code=GRT-TBO-006&Category_Code=GRT

 

[GVR4592]

My apologies -- I completely forgot that mine had an UNDIVIDED T4 0.81A/R housing. I purchased the housing from PTE around 1.5 years ago.

My 40R is running a divided T4 housing. -- I am sorry for any confusion!

I did look quickly at Garrett's page, and they do have a 35R setup with a V-band turbine housing from 0.68 to 1.06A/R (GT35R part numbers with the final suffix ending in -21, -22, or -23.).

Personally, I would call Garrett Directly, then call PTE. Alot of options have changed in the last few monthes with these turbos. Including dramatically reduced prices from Garrett distributors.

More than likely, they are now able to build you a 0.70 or 0.86 T4 divided turbine setup if you ask them about it.

I was told there was no divided T4 housing that would accept a wheel as small as the GT35 turbine wheel. I'm not really that concerned about it anymore, I'm selling the turbo for something bigger. Thanks for the info.

 

[definitiveno]

Sorry fellas, I had to go with the recommendations of FP and use the gt30r turbine. I also had to weigh the success of the fp3065 to gt35r cars and dsmtimes doesn't lie. Went with a gt3082r with .82 A/R.

Also Some folks recomended waiting for this purchase but I didn't have the tme or means to otherwise I would have.

Lets throw it on and give it a go! Should be here next week.

 

[definitiveno]

Man the votes for the 35r were overwhelming in this pole, seems like you guys would put FP's 3065 out of business.

 

[DSM90AWD]

Sorry fellas, I had to go with the recommendations of FP and use the gt30r turbine. I also had to weigh the success of the fp3065 to gt35r cars and dsmtimes doesn't lie. Went with a gt3082r with .82 A/R

Just happened across this. DSMTimes has many more GT35R = GT3540R = GT3582R than FP3065/GT3082Rs in the top 100 page.

So did you end up getting one?