Twin-Scroll 3071R VS Twin-Scroll 3076R, anybody have experience with both?? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

SixSpeedSleuth · 10-19-2007, 01:12 PM

I have searched every nissan board I can find but cant find anybody who has a direct comparison between these two turbos on the same motor. (Ie, Sr with the same cams, same Intake Manifold, Same HG, just switching the turbos). I'm running a TS 3071R now, but would not mind slightly better topend, and I'm in the process of building a spare block for 500whp.. From what I've been told, a 3076R will spool at almost the exact same as a 3071R if both are Twin-Scroll with the only difference being more topend horsepower with the 3076R. Does anybody have any direct comparisons?

rps13drift · 10-19-2007, 01:43 PM

No! and you will not find any either! All this twin scroll hype and i cant find one dyno from the same car that tests the turbo's back to back

SixSpeedSleuth · 10-19-2007, 02:53 PM

Quote:

Originally Posted by rps13drift

No! and you will not find any either! All this twin scroll hype and i cant find one dyno from the same car that tests the turbo's back to back

There must be somebody who has. If one does not surface, I will have a direct comparison within a few months. I just wanted to see some proof before I took the dive and got a new turbo when my TS 3071R only has 3000 miles or so. The main worry I have is losing spool time. I spool around mid 4's right now, and would in no way want later spool time. Also, the TS is not all hype. It's the best thing since sliced bread, but it does make a noticeble differnce in the way the car drives and reacts. Transient response is terrific, and the area under the curve is great as well. TS setups have great midrange as well. I made 425whp only running to 7200 with S4's, Greddy Intake Manifold, Enthalpy Rom tune and 19PSI on 93 Pump Gas.

steve shadows · 10-19-2007, 02:53 PM

Quote:

Originally Posted by SixSpeedSleuth

I have searched every nissan board I can find but cant find anybody who has a direct comparison between these two turbos on the same motor. (Ie, Sr with the same cams, same Intake Manifold, Same HG, just switching the turbos). I'm running a TS 3071R now, but would not mind slightly better topend, and I'm in the process of building a spare block for 500whp.. From what I've been told, a 3076R will spool at almost the exact same as a 3071R if both are Twin-Scroll with the only difference being more topend horsepower with the 3076R. Does anybody have any direct comparisons?

Didnt T4SL?

I cant keep track of everyone anymore.

SixSpeedSleuth · 10-19-2007, 02:56 PM

Quote:

Originally Posted by steve shadows

Didnt T4SL?

I cant keep track of everyone anymore.

Steve, he has a before and after with a single scroll 3076R and Twin scroll 3076R. I'm looking a before and after with TS 3071R and TS 3076R with the same supporting mods.

steve shadows · 10-19-2007, 04:24 PM

Quote:

Originally Posted by SixSpeedSleuth

Steve, he has a before and after with a single scroll 3076R and Twin scroll 3076R. I'm looking a before and after with TS 3071R and TS 3076R with the same supporting mods.

his mods are damn near the same as yours?

IIRC

post up both dynos in here, Im kind of interesting in comparing too

Z U L8R · 10-19-2007, 04:35 PM

muwhahahhahahahaa

ross.cottrill · 06-14-2008, 01:10 PM

Pencil me in for this info as well!!if its remotely close in spool over the 3071 i know i will have another step to take if im not happy with the outcome(wich i really doubt!).

tougekid · 07-29-2009, 07:23 AM

Any updates?? I know this is over a yr old. Just wanting to find out what happened.

Monooxide · 07-29-2009, 02:22 PM

GT3071R vs. GT3076R:

71 is good for roughly 470WHP and will perform better at higher boosts(~21+ PSI).
76 is good for roughly 520WHP and will perform better at lower boosts.

This is about all you need to know, spool differences will be in the range of 200~400 RPM different if I had to guess given same style exhaust housings and A/Rs.

SixSpeedSleuth · 09-07-2009, 08:49 PM

Quote:

Originally Posted by tougekid

Any updates?? I know this is over a yr old. Just wanting to find out what happened.

Monooxide is pretty much spot on. I did upgrade to the 76 and LOVE it. The difference is spool up was so small that I didn't even notice it. But, I did notice the increased power at a lower boost setting as well as a slightly better topend!

Quote:

Originally Posted by Monooxide

GT3071R vs. GT3076R:

71 is good for roughly 470WHP and will perform better at higher boosts(~21+ PSI).
76 is good for roughly 520WHP and will perform better at lower boosts.

This is about all you need to know, spool differences will be in the range of 200~400 RPM different if I had to guess given same style exhaust housings and A/Rs.

You pretty much nailed it!

S14_Kouki · 09-07-2009, 10:00 PM

ok now lets stick a twin scroll super 20 on there and lets see what happens

10-19-2007, 01:12 PM	#1
SixSpeedSleuth Zilvia Member Join Date: Jul 2007 Location: North Carolina Age: 46 Posts: 176 Trader Rating: (3) Feedback Score: 3 reviews	Twin-Scroll 3071R VS Twin-Scroll 3076R, anybody have experience with both?? I have searched every nissan board I can find but cant find anybody who has a direct comparison between these two turbos on the same motor. (Ie, Sr with the same cams, same Intake Manifold, Same HG, just switching the turbos). I'm running a TS 3071R now, but would not mind slightly better topend, and I'm in the process of building a spare block for 500whp.. From what I've been told, a 3076R will spool at almost the exact same as a 3071R if both are Twin-Scroll with the only difference being more topend horsepower with the 3076R. Does anybody have any direct comparisons?

10-19-2007, 01:43 PM	#2
rps13drift Zilvia FREAK! Join Date: Oct 2006 Location: NJ BRO!!!! Age: 39 Posts: 1,194 Trader Rating: (6) Rides Gallery: rps13drift Feedback Score: 6 reviews	No! and you will not find any either! All this twin scroll hype and i cant find one dyno from the same car that tests the turbo's back to back __________________ http://allies-drift.blogspot.com/

10-19-2007, 04:35 PM	#7
Z U L8R Zilvia FREAK! Join Date: Jan 2007 Location: Georgia Age: 43 Posts: 1,194 Trader Rating: (0) Feedback Score: 0 reviews	muwhahahhahahahaa __________________ RB25 280z GT30/76R 441hp/381tq 11.9@125

06-14-2008, 01:10 PM	#8
ross.cottrill Zilvia FREAK! Join Date: Sep 2005 Location: orlando,fl Posts: 1,185 Trader Rating: (12) Feedback Score: 12 reviews	Pencil me in for this info as well!!if its remotely close in spool over the 3071 i know i will have another step to take if im not happy with the outcome(wich i really doubt!). __________________ " NEO VVL BABY FTMFW!" Originally Posted by shagspeed Dude if I made 500WHP on a 54C SR20DET back in 1999-2000 with old school technology .. This VET will T-BAG your RB engines

07-29-2009, 07:23 AM	#9
tougekid Zilvia Member Join Date: Aug 2007 Location: S.C. Age: 46 Posts: 242 Trader Rating: (1) Feedback Score: 1 reviews	Any updates?? I know this is over a yr old. Just wanting to find out what happened.

07-29-2009, 02:22 PM	#10
Monooxide Zilvia Addict Join Date: Mar 2005 Location: Farmington/Flint, MI Age: 37 Posts: 675 Trader Rating: (8) Feedback Score: 8 reviews	GT3071R vs. GT3076R: 71 is good for roughly 470WHP and will perform better at higher boosts(~21+ PSI). 76 is good for roughly 520WHP and will perform better at lower boosts. This is about all you need to know, spool differences will be in the range of 200~400 RPM different if I had to guess given same style exhaust housings and A/Rs.

09-07-2009, 10:00 PM	#12
S14_Kouki Nissanaholic! Join Date: Nov 2005 Location: Tampa, FL Posts: 1,947 Trader Rating: (4) Feedback Score: 4 reviews	ok now lets stick a twin scroll super 20 on there and lets see what happens