Single Turbo RX-7's Questions about all aspects of single turbo setups.

T61 vs GT35R

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Old 07-18-05, 08:31 AM
  #51  
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Originally Posted by tripleseis
Exactly.....I'm not getting this. The information in this community seems very mismatched sometimes and i get very confused.

So the GT35r will no way in hell make 500whp, yet it makes 450 at under 20psi on some setups and can handle a proven, in actually and map wise, 30psi+? What the hell is going on here?

That is because the idoit that made that statement really has no idea what he is talking about or probably because he must of heard of another idoit say that and thinks its true when in reality these idoits never had any experience with the turbo and are talking out of their a$$es...

First the gt35r is good for 700hp.. yea maybe not on a rotary but there are plenty piston cars making that kind of power and also running 30+psi.

Second I have already dynoed my car on pump gas at 14psi with a stock port motor and a slipping clutch and made 403rwhp.

Now I have a new twin disc and am building a street port motor as we speak. your telling me that with c16 and say 10 more lbs of boost i will never see 500rwhp...

So who is willing to put money on this because I will be posting dyno sheets soon and could use the extra cash..

thing is not many here have ever came close to putting down 500 on ANY turbo so you would be stupid to single out the gt35r.. but hey some people here know everything...
Old 07-18-05, 08:41 AM
  #52  
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[QUOTE=ErnieT]There's no way in hell a GT35R will ever see 500rwhp. Maybe if you overspin it and overheat it at some 30psi and two weeks later the oil seals puke on ya.

Its a TINY, PUNY, EEENNY, WEENNIEE, turbo! Reason nobody runs more boost is because it falls out of its efficiancy range. Same reason nobody runs more than 15psi on stock twins. 20psi would be the max on the GT35R as far as "good" power is concerned.

Just because YOU havent seen it yet doesnt mean it cant be done..youll be the first person I send my dyno sheet too..
Old 07-18-05, 10:38 AM
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Here's a 550 rwhp dyno sheet of an MR2 with a GT 35/40 at 25 psi. I make no statements about turbo longevity, but obviously it can be done (at least once! )and ATP is not a bullshit company.

http://www.atpturbo.com/root/turbopi...s/mr2dyno2.jpg
Old 07-18-05, 10:59 AM
  #54  
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oh yea dont forget guys.... 20 psi is the max boost to run on a gt35r... anything more wouldnt be considered "GOOD" power.. LOL some of the members on this forum are pretty sad...
Old 07-18-05, 11:57 AM
  #55  
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I look forward to seeing your dyno result turboR1. I was going to buy a 35/40 (35R) but I decided to go with another. Not sure if anyone is doubting you can do it they are just saying it hasn't been done on a rotary yet. Good luck
Old 07-18-05, 05:49 PM
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Originally Posted by turboR1
That is because the idoit that made that statement really has no idea what he is talking about or probably because he must of heard of another idoit say that and thinks its true when in reality these idoits never had any experience with the turbo and are talking out of their a$$es...

First the gt35r is good for 700hp.. yea maybe not on a rotary but there are plenty piston cars making that kind of power and also running 30+psi.

Second I have already dynoed my car on pump gas at 14psi with a stock port motor and a slipping clutch and made 403rwhp.

Now I have a new twin disc and am building a street port motor as we speak. your telling me that with c16 and say 10 more lbs of boost i will never see 500rwhp...

So who is willing to put money on this because I will be posting dyno sheets soon and could use the extra cash..

thing is not many here have ever came close to putting down 500 on ANY turbo so you would be stupid to single out the gt35r.. but hey some people here know everything...
Does your GT35r have a t3 hotside? I'm deff waiting for your results
Old 07-18-05, 06:43 PM
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This question is for A-Spec. Sean, what size A/R's do you offer with the T4 hotside GT35R's? Thanks in advance bro.

Zach
Old 07-19-05, 02:14 AM
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Originally Posted by buzzer
this guy doesnt seem to have a problem running the gt35r at 30+psi, its not on a rx7 though.
http://srvidz.vidiac.com/Player.aspx...F9B35F6368&p=0
Why did they put an Fc right before that vid? Sounded like a v8 too

Sorry I don't know much about turbos :P Once I have the money (probobally when my current setup is toast) I want to run the 35 and make 450 rwhp on 91 octane.
Old 07-19-05, 03:31 AM
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I'm keen to see a 500rwhp dyno printout! It's too bad you guys use Dynojet, etc. Over here it's pretty much just Dyno Dynamics or Dyna Pack so it's hard to compare.

Has anyone tried opening up the housings on the 35R yet? A company in Melbourne, Australia are claiming a gain of 18kw (whether that's at the wheels or flywheel i don't know, i'd say it's at the wheels at a guess) after using their process, and are also claiming that boost comes on 500rpm earlier! And that's just doing the comp cover. Do the turbine hosuing, and you'll see a healthy reduction in back pressure!

Has anyone extruded their housings? PM me if you'd like to keep it under wraps!
Old 07-19-05, 07:19 AM
  #60  
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Old 07-19-05, 07:46 AM
  #61  
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"And that's just doing the comp cover. Do the turbine hosuing, and you'll see a healthy reduction in back pressure!"

Lukas,
Precision Turbo just did this for me as a favor for taking their sweet *** time on getting me my setup. Looking inside the cover you can clearly see that the inside has been ported away at a angle. It appears to be able cram more air compaired to another t04 cover I had to look at. But the backside is just a standard
Old 07-19-05, 08:16 AM
  #62  
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I have a t3 and 1.06. and Lukus I will be using a dyno dynamics since thats what we tune on but im talking dynojet numbers here. as soon as my new street port is broken in Ill be back on the dyno asap since my bro owns a DDynamics. I'll post my dyno sheet that same night
Old 07-19-05, 08:34 AM
  #63  
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Bukwild.. I know no one is doubting me... heck even I am a little doubtful.. I just had to speak up after seeing Ernie T post that the 35r will NEVER EVER see 500rwhp...what does he know....never say never my man... I feel like ive come pretty close already and havent even begun to push the car or turbo yet..
Old 07-19-05, 12:26 PM
  #64  
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Originally Posted by turboR1
Bukwild.. I know no one is doubting me... heck even I am a little doubtful.. I just had to speak up after seeing Ernie T post that the 35r will NEVER EVER see 500rwhp...what does he know....never say never my man... I feel like ive come pretty close already and havent even begun to push the car or turbo yet..
I suppose I first posted that statement before 35Rs where available. To date NOBODY has posted an SAE Dynojet(or any other dyno) showing 500rwhp on a 35R. The statement was the title of a thread for a year near the top of the forum with no takers. It is a mystery to me why if it can, nobody has. It seems to me that it will with a little over 25 psi, but since nobody wants to run that boost, it's moot. I guess my new statement would be that no one will run a 35R at 500rwhp. I plan to run my 67 at 20, and 25 psi on the road race course all the time, not for just one dyno pull. Anyway, I think it can be done, just nobody so far has the supporting mods, and tuner to do it. If it was reasonably easy, Sean would have done it with C16 on a customer car just to end the debate. Due to the smallish hotside maybe there is too much of a pressure differental, and the EGTs get out of control, I am not sure, but I wish you luck. Carl
Old 07-20-05, 08:29 PM
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Originally Posted by ErnieT
There's no way in hell a GT35R will ever see 500rwhp. Maybe if you overspin it and overheat it at some 30psi and two weeks later the oil seals puke on ya.

Its a TINY, PUNY, EEENNY, WEENNIEE, turbo! Reason nobody runs more boost is because it falls out of its efficiancy range. Same reason nobody runs more than 15psi on stock twins. 20psi would be the max on the GT35R as far as "good" power is concerned, but you are right, there probably isn't a better "street" turbo.
hey are you talking about 500hp on an rx7 or on any car?? cause theres an evo on www.srvidz.com that makes 600+whp(all wheel drive) using a gt35r at 30+psi. He might be spraying though. Its also got vidz of some other NW Florida carsif y0ou haven't seen it, check it out.
Old 07-20-05, 08:55 PM
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Originally Posted by seandizzie
hey are you talking about 500hp on an rx7 or on any car?? cause theres an evo on www.srvidz.com that makes 600+whp(all wheel drive) using a gt35r at 30+psi. He might be spraying though. Its also got vidz of some other NW Florida carsif y0ou haven't seen it, check it out.
Piston motors make alot of power with this turbo. And we all know that a Rotary will not make the same power with the same turbo. BUT its been proven that the GT35r can handle massive amount of boost by numerous other communitys weather it be a GT-R, 1jz or 4g63. So i think what we are getting at is why are people not running more or why is pump gas stuck in their heads?

Where are these dyno sheets? Do we have to get a Paypal dyno donation going here or what?
Old 07-20-05, 11:32 PM
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We have 630whp@32lbs(?) evo that is here almost daily buying C16, it is run on a 35R .62 housing. Sounds like I'm being called out there Carl Problem is getting people who will let me play with their car and until recently their dyno. When I get some time we will run a few at higher levels and see what we get. I think people take a lot of stuff too serious. No-one has a need for more than a 400+whp 2800lb car on the street. Anyone on here who is putting that down knows that traction is now gone. And bigger higher HP turbo's (despite the just downshift lag is overrated idiots) just do not cut it in any type of urban area. I drive single turbo 7's all day, everyday,every type. The one that works best the moment there is any traffic to squirt through is the 35R cars. The only people ever on here saying they are not enough are shop owners, or drag racers. The my car is a 1000whp street car is all crap. Ask them to do it on pump gas and drive to work in downtown chicago everyday. (Sure it's fun on open highway)Who cares what you can turn it up to with C16@sea level with perfect weather. It is a fantastic street setup. Period. More HP, close to stock response with a nice linear boost curve, simple and clean under the hood. As long as I keep having people leave here grinning from ear to ear, I feel I've done my part.
Old 07-21-05, 08:20 AM
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Zero R.. you couldnt have said that more perfect... and it only takes 450rwhp to get a 10 sec time slip which is already a handful in a street car... I couldnt be happier...
Old 07-21-05, 12:55 PM
  #69  
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Not calling anyone out, just taking the blame for starting a pointless discussion back in the day. That said, back two or three years ago people thought you could make 500rwhp on a streetported rotary at ~22-24 lbs. That was the original discussion, and at that time we were not sure how they would do. People told me I could not make 500 or more on a .81 P trim, that was shown to be no problem. Anyway, 400 is plenty for the street, but the discussion is wether one can make the 500 number on a regular basis, and I really think he answer is no. Can Sean make 500 with a large street ported 35R all set up, on 111-116, at his shop with proper tuning, I bet yes, will people drive the car like that, maybe not. That said there are alot of daily driven 700rwhp Supras, so that is a power to weight like a 500+ RX, at which point why not? I will run mine ALL the time at 450-550, I have no traction issues, but mine is a dedicated track car, with all the mods to make it reliable at those levels. So, there are all sorts of turbos that can make 400, there are some that will do 500+, and a couple that will make 600+ all with reasonable streetability. If you are used to driving that power all the time, it is not as sketchy as people say. Anyway, I would not call anyone out, unless it was to the track, and they challenged me. That is not the case, so, just go have some fun
Old 07-21-05, 12:56 PM
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BTW, 275-40-17 MXs, or KDs, or 615s should hook 400 no problem, you guys need some bigger tires
Old 07-21-05, 08:10 PM
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I was just having fun hence the wink Carl. I just find it funny how people throw up these #'s and then say, "yeah it's my daily driver." Uh..... no. Maybe to some fourteen year old nitwit who believes what SCC tells him. I have no doubt with the right setup you will get higher numbers out of these 35R's, but it won't be a leave it at that setting while I drive to work car. 700rwhp supras are laggy as well. It's funny how jadded we become when modifying a car. Want to test how laggy a car is give it to your Mom or Pops and ask them to drive it around. See what they think when they suddenly want to change lanes and have to downshift mad quick and floor it just to get her to spool. Getting "used to it" is the key. I can't tell you how many cars leave here only to be wrecked shortly after.


FYI I run 295/35KDs, however I'm sure I have a little more than 400hp.
Old 07-21-05, 08:38 PM
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I am just interested to see some new GT35R dyno sheets. Especially the T4 hotside sheets!! And looking forward to getting home from the middle east soooo much more so I can finally buy my GT35R!

Zach
Old 07-30-05, 03:30 AM
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So has anyone ported out the housings on a 35R or will i have to be the first?

Is anyone using the HKS twin power with a 35R?
Old 07-30-05, 02:25 PM
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Originally Posted by Carl Byck
I suppose I first posted that statement before 35Rs where available. To date NOBODY has posted an SAE Dynojet(or any other dyno) showing 500rwhp on a 35R. The statement was the title of a thread for a year near the top of the forum with no takers. It is a mystery to me why if it can, nobody has. It seems to me that it will with a little over 25 psi, but since nobody wants to run that boost, it's moot. I guess my new statement would be that no one will run a 35R at 500rwhp. I plan to run my 67 at 20, and 25 psi on the road race course all the time, not for just one dyno pull. Anyway, I think it can be done, just nobody so far has the supporting mods, and tuner to do it. If it was reasonably easy, Sean would have done it with C16 on a customer car just to end the debate. Due to the smallish hotside maybe there is too much of a pressure differental, and the EGTs get out of control, I am not sure, but I wish you luck. Carl

hey carl, you pay for the gas ans i'll turn the boost up in my car...see what we can milk out of it.
Old 07-31-05, 07:16 PM
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Done, how many gallons?


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