Whats the max Bhp for a T34
17-09-2008, 04:27 PM
#41
the purpose of blade cut back is to reduce the turbine shaft speed to tolerable levels at high boost.
Nissan did not cut the blades back but chose to remove some I have a version of cossies turbo's we have tested this on with very interesting results,unfortunately the results are not TUV approved lol
Nissan did not cut the blades back but chose to remove some I have a version of cossies turbo's we have tested this on with very interesting results,unfortunately the results are not TUV approved lol
17-09-2008, 04:33 PM
#42
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People dont get hung up on boost levels, My own Escort made 402hp on 24psi but remember I did run 37psi in the mid range and the turbo was flat out and could not make any more boost at the top as the engine was consuming all the air the turbo could supply,
A stock engine wont make the same hp as the airflow is completly diff.
Mark
A stock engine wont make the same hp as the airflow is completly diff.
Mark
17-09-2008, 04:56 PM
#43
the purpose of blade cut back is to reduce the turbine shaft speed to tolerable levels at high boost.
Nissan did not cut the blades back but chose to remove some I have a version of cossies turbo's we have tested this on with very interesting results,unfortunately the results are not TUV approved lol
Nissan did not cut the blades back but chose to remove some I have a version of cossies turbo's we have tested this on with very interesting results,unfortunately the results are not TUV approved lol
.
17-09-2008, 05:58 PM
#44
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As has been said up to about 380 hp is poss. Mine was livemapped to run a 32psi spike and 24 at the limiter which was etimated at over 360 hp by the mapper, but the turbo has shat itself within 2k miles. 
It is a lottery how long it'll last at 2bar of boost.
It is a lottery how long it'll last at 2bar of boost.
17-09-2008, 06:24 PM
#45
The cutback limits turbine speed but improves gasflow so at the higher rev range it will improve power. The trade in is turbine response at low gas speeds.
A T34 can make 370bhp at 1.6bar no problem. What you have to remember is your all looking at BOOST, and boost doesnt make horsepower, airflow does. People on this forum really must stop concentrating on boost pressure and start thinking about airflow.
A standard YB normally drops to around this sort of boost figure from 5500rpm upwards as its consuming more air than the T34 turbo can produce, and it can make the sort of power figures suggested with that air pressure on a good engine and map.
Dont forget, owners only EVER quote peak boost figures, which leads Joe Public to think that figure gives the power, it doesnt, it invariably produces only the peak torque figure. You will find teh boost has almost always dropped considerably by the time your at peak power making engines speeds
Food for thought:
I am sure you all understand that a GT40 would manage 370bhp at 1.6bar no problem, in fact, you woudl struggle to limit it so low. Give that some thought and if it doesnt help you to understand the airflow/boost isue, ive written an article that may help more, accessible via my siggy.
A T34 can make 370bhp at 1.6bar no problem. What you have to remember is your all looking at BOOST, and boost doesnt make horsepower, airflow does. People on this forum really must stop concentrating on boost pressure and start thinking about airflow.
A standard YB normally drops to around this sort of boost figure from 5500rpm upwards as its consuming more air than the T34 turbo can produce, and it can make the sort of power figures suggested with that air pressure on a good engine and map.
Dont forget, owners only EVER quote peak boost figures, which leads Joe Public to think that figure gives the power, it doesnt, it invariably produces only the peak torque figure. You will find teh boost has almost always dropped considerably by the time your at peak power making engines speeds
Food for thought:
I am sure you all understand that a GT40 would manage 370bhp at 1.6bar no problem, in fact, you woudl struggle to limit it so low. Give that some thought and if it doesnt help you to understand the airflow/boost isue, ive written an article that may help more, accessible via my siggy.
17-09-2008, 06:40 PM
#47
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Well thank you stu even tho a dont know you lol. the car has got a gas flowed, ported, polished head, inlet to match didnt think a was going mad like lol just looked at map and its peaking at 1.9 bar and holding 1.5 bar so wasnt even 1.6 my mistake.so back to origin of thread could i get more out of it wivout ringing the neck out the turbo
17-09-2008, 08:53 PM
#49
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Stu,
If you had a std comp engine , running Blacks, 500 cooler etc, what turbo would you say is best for 380 bhp in both lag, drivability and power?
UT T38.63
or
T34 .63 with 360 deg bearing
Honesty please!
If you had a std comp engine , running Blacks, 500 cooler etc, what turbo would you say is best for 380 bhp in both lag, drivability and power?
UT T38.63
or
T34 .63 with 360 deg bearing
Honesty please!
18-09-2008, 12:10 AM
#54
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answered this many times, mine runs T34.48 mapped by mark runs a proven 391hp 430lbft... so saying they cant handle good power is rubbish, its stil as good the day it was fitted....
18-09-2008, 10:01 AM
#55
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)(much different than a t3 on a saph, wich suddenly pulls strong but higher in revs it stops pulling)
Powerwise, as far as i know the engine has standardish spec internals but with this turbo, greys, airfilter/exhaust.
Would you say this turbo is a bit ott, or oke for track use?
regards, Rinus
Last edited by rinus_2005; 18-09-2008 at 10:05 AM.
18-09-2008, 11:03 AM
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yes... its BOLLOCKS in other words
Talking of T34's....
look what I bought! mmmmmmmm!!!
BRAND new, not reconned genuine T34.63! only the best for my little bathtub!
sorry for wank photos of Stus nerdberry!
not long now!
Last edited by Porkie; 18-09-2008 at 11:36 AM.
18-09-2008, 11:36 AM
#61
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Only managed to get 3200 mls out of a t35 from turbo technics running 1.8bar that was fitted in August 08 been to portugal and back and its smoking really bad.
18-09-2008, 02:01 PM
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18-09-2008, 08:44 PM
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think the graph says it all,cant see wny people just try to belittle people on here,like there lying all the time making figures off the top off their heads,been couple posts on here where people have said something and then someone has tried to knock them down only for someone to come on wiv some ACTUAL knowledge and put things right, think thats why its good to have some of the countries top tuners on this site to actually help people and give good honest advice
19-09-2008, 10:10 AM
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think the graph says it all,cant see wny people just try to belittle people on here,like there lying all the time making figures off the top off their heads,been couple posts on here where people have said something and then someone has tried to knock them down only for someone to come on wiv some ACTUAL knowledge and put things right, think thats why its good to have some of the countries top tuners on this site to actually help people and give good honest advice
wow... you couldn't be MORE wrong if you tried!!!!
Think YOU should understand what that graph actually means!!!
NOTHING!!!
Dynos and rolling roads can be manipulated to read anything!!!!!
Top tuners advice?!??! thats not what I would call the dude who posted that graph!!!
he is just some bloke that posted a graph!!! that graph came from some company HE PAID!!! THEY HAVE TOLD HIM WHAT HE WANTS TO HEAR!!!! jesus...
The Sunday Sport has said Elvis lives on the moon. They put it on the front page... do you believe that as well?
a T34.48 can't make that power in my opinion. I would like to hear from a 'Top Tuner' or a proper expert to tell me different!!!!
then I would listen!!!
YOU WERE PROMPTLY AND POLITELY GIVEN THE CORRECT INFORMATION YOU REQUIRED AT THE BEGINNING OF THE THREAD.
Last edited by Porkie; 19-09-2008 at 10:14 AM.
19-09-2008, 10:19 AM
#67
wow... you couldn't be MORE wrong if you tried!!!!
Think YOU should understand what that graph actually means!!!
NOTHING!!!
Dynos and rolling roads can be manipulated to read anything!!!!!
Top tuners advice?!??! thats not what I would call the dude who posted that graph!!!
he is just some bloke that posted a graph!!! that graph came from some company HE PAID!!! THEY HAVE TOLD HIM WHAT HE WANTS TO HEAR!!!! jesus...
The Sunday Sport has said Elvis lives on the moon. They put it on the front page... do you believe that as well?
a T34.48 can't make that power in my opinion. I would like to hear from a 'Top Tuner' or a proper expert to tell me different!!!!
then I would listen!!!
YOU WERE PROMPTLY AND POLITELY GIVEN THE CORRECT INFORMATION YOU REQUIRED AT THE BEGINNING OF THE THREAD.
Think YOU should understand what that graph actually means!!!
NOTHING!!!
Dynos and rolling roads can be manipulated to read anything!!!!!
Top tuners advice?!??! thats not what I would call the dude who posted that graph!!!
he is just some bloke that posted a graph!!! that graph came from some company HE PAID!!! THEY HAVE TOLD HIM WHAT HE WANTS TO HEAR!!!! jesus...
The Sunday Sport has said Elvis lives on the moon. They put it on the front page... do you believe that as well?
a T34.48 can't make that power in my opinion. I would like to hear from a 'Top Tuner' or a proper expert to tell me different!!!!
then I would listen!!!
YOU WERE PROMPTLY AND POLITELY GIVEN THE CORRECT INFORMATION YOU REQUIRED AT THE BEGINNING OF THE THREAD.
Jesus Christ, someone getting a bit too big for their boots?
Sorry Mike, its just what I read
19-09-2008, 10:28 AM
#69
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My 3dr has a t.34 with a 48 housing running closed loop and mapped by Stu at MSD and when recently rolling roaded it recorded 374 bhp and 348lbs/ft peaking at 32psi and holding 28psi and its been on the car 3 years and done at least 15000 miles.
19-09-2008, 11:16 AM
#72
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I,m with Porkie on this one too, Graphs are great for your ego and pub talk, but it,s how the baby goes on the road where it counts...
And a well setup T34 Cossie is a FANTASTIC Road/track car imo..
And a well setup T34 Cossie is a FANTASTIC Road/track car imo..
