GT3071-3076 Laggy?

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04-09-2011, 04:02 PM

#41

TimC

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Quote:

Originally Posted by J1mbo

Tim, your going off hearsay, not fact, they expect them to flow that much. The fact is though, the exhaust side is the issue, not the compressor, so by making the comp side bigger in Essenese your not gaining anything where you need it.

I'd be interested to see what oower they would make at a acceptable back pressure

Im aware of the back pressure issues Jim, dont worry. I should of mentioned that though, as it does seem to be the GT's downfall.

On the other hand, I do follow what the Evo people do with HTA range of Turbos which is basically what a GTX is anyway.

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04-09-2011, 04:05 PM

#42

Rollinz

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wont the choice be down to how you want the car to drive???

i use a GT35 r on my focus,
drives nice, and when i boot it i get peak boost at 4200 rpm @1.7 bar, then tails off to 1.5 bar and hold all the way to limiter,
change up still on boost etc.. but it suits how i drive

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04-09-2011, 05:06 PM

#43

Jay,

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Quote:

Originally Posted by R5FORD

I'm definatly going for one just need to know if the 3076 is laggy s thats got the potential to get me the power I'm after and going by harveys dyno sheets it seems to come in strng at 3200rpm all the way to the limiter.

whats wrong with a t38 young Arron ?

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04-09-2011, 05:08 PM

#44

R5FORD

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Quote:

Originally Posted by jay volution

whats wrong with a t38 young Arron ?

Cant get 430rwhp with a t38 Jay

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04-09-2011, 07:32 PM

#45

Mark Shead

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A GT3071 will do 520hp on a Cossie,

and a GTX3071 will do a easy 528hp on a Evo

and even better a BW200sx over a GTX3071

Mark

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04-09-2011, 07:42 PM

#46

B13 JUS

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Mark do you have a graph of a bw s300sx over a bw s200sx?

Last edited by B13 JUS; 04-09-2011 at 07:44 PM.

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04-09-2011, 07:50 PM

#47

Mark Shead

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Quote:

Originally Posted by B13 JUS

Mark do you have a graph of a bw s300sx over a bw s200sx?

Not yet but here is the S300SX testing on the road, this is the engine being run in and this is the max boost run,

Mark

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04-09-2011, 08:12 PM

#48

TimC

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Full boost by 3200rpm. Not too bad that!

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04-09-2011, 08:19 PM

#49

Turbosystems

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is the battery flat

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04-09-2011, 08:20 PM

#50

JamesH

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You need to speak to who's mapping it. As different mapping techniques will give different results anyway, and different tuners use different spec turbos anyway