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Gt35R Or Gt30R ?

Gamble1990

By Gamble1990,
in Engines & Forced Induction

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34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

Read this thread - ultimate RB "pull hard" setup, make numbers in the range of GT35R peak power but spooling similar to the smaller GT30 range turbos:

http://www.skylinesaustralia.com/forums/topic/426059-forced-performance-hta-turbos/

+1 for lithiums post. HTA turbos are weapons and will give you the best of both worlds. Will give you 400rwkw and the same response as a gt3076.

You'd be mad not to have a look basically

I disagree with both these clowns :ph34r:

LOL kidden, HTA or GTFO!

Lithium Grand Master

Lithium

Posted
Posted

Was just trying to be helpful, was Garrett based and a lot of people don't know there is a bigger world than Garrett who have been all but left in the dust. But point noted, I have meant to have given up on trying to be "helpful" on these forums - just got a brief burst of enthusiasm for this place after finally actually meeting some SAUers... as you were :action-smiley-069:

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

Asks about Garrett offerings, gets advice on every other manufacturer but... :P

Well technically Garrett make the turbos with the HTA wheel :P So sort of got it...

zebra Grand Master

zebra

Posted
Posted

Was just trying to be helpful, was Garrett based and a lot of people don't know there is a bigger world than Garrett who have been all but left in the dust. But point noted, I have meant to have given up on trying to be "helpful" on these forums - just got a brief burst of enthusiasm for this place after finally actually meeting some SAUers... as you were :action-smiley-069:

Hhahah

I get the same thing.

scotty nm35 Grand Master

scotty nm35

Posted
Posted

Left in the dust is a little excessive, I love my GTX and the results are excellent imo. Keep your HTA fanboi speeches for the impressionable boys in the FP thread. Considering you all talk about them continuously I would find it hard to believe someone hasn't heard of FP, Precision or BW for that matter.

I think Garrett is still king of reliability in most peoples minds... for good reason. If that means they are a little slower in their design rollouts and test their turbo's for longer, I am all for it. I have a Precision 6766 on the bench at the moment, not sure I like how thin the compressor blades are. Hopefully they haven't gone too light weight just to beat the competition...

No need to sook about being 'helpful on these forums', everyone else is here for the same reason. If you don't like people having opinions that differ to yours, better stay off the interwebz.

denisonnd Apprentice

denisonnd

Posted
Posted

Hi all

I read some comments here and it looks like people prefer GT30 for around 290-320rwkw power. GT30 will come on boost harder in the mid range. It looks like a more efficient option on paper.

One thing I don't understand is why would someone want harder pull in the mid range when it will create more problems with traction unless are on 3rd gear. I have rb25 with GT35 312rwkw and I have problems with traction on 2nd with 265s and shimmed diff. I've driven similar car but with a smaller turbo and it had even less traction.

Correct me if I'm wrong, since I'm new to this. If I floor it at ~3000rpm it will pull hard almost instantly and easily break the traction on a smaller GT30 turbo compared to GT35 which pulls from ~4500+ but has smoother transition from no boost to full boost.

I have read many threads about this but not many people are looking at it from this angle

Cheers

RBrennan25 Grand Master

RBrennan25

Posted
Posted

Hi all

I read some comments here and it looks like people prefer GT30 for around 290-320rwkw power. GT30 will come on boost harder in the mid range. It looks like a more efficient option on paper.

One thing I don't understand is why would someone want harder pull in the mid range when it will create more problems with traction unless are on 3rd gear. I have rb25 with GT35 312rwkw and I have problems with traction on 2nd with 265s and shimmed diff. I've driven similar car but with a smaller turbo and it had even less traction.

Correct me if I'm wrong, since I'm new to this. If I floor it at ~3000rpm it will pull hard almost instantly and easily break the traction on a smaller GT30 turbo compared to GT35 which pulls from ~4500+ but has smoother transition from no boost to full boost.

I have read many threads about this but not many people are looking at it from this angle

Cheers

You'll find your traction control switch at the end of your right leg; when traction starts to break, lift right leg slightly.

Also on most good ECU's you can do boost by gear and just have less boost in 1st and 2nd.

No reason you can't just lift off slightly though...

zoomzoom Mentor

zoomzoom

Posted
Posted

Maybe of interest, I found this helped with controlling boost on my car:

http://www.gktech.com/index.php/v2-s14a-s15-eccentric-throttle-wheel.html

It will work fine on an RB25DET. The standard wheel opened the throttle quite a lot with little pedal movement, where as the GKTECH one is the opposite, ie a smooth logarithmic opening of the throttle, where 50% pedal may only be 30% throttle opening. (not sure about exact numbers)

Its good for peaky responsive turbos.

AngryRB Grand Master

AngryRB

Posted
Posted

the best action ive had was with a GTX3076, 4000rpm's = Hammer time, 1st and 2nd at WOT =Black lines layed for 50meters which is f#$k yeah feeling.. 3rd= hold on

If you can do this then you know you got a wild ride, the rest is up to you and the tyres, suspension and right foot control, but personally this has set the bar for me... and now disappointed with anything less :(

scotty nm35 Grand Master

scotty nm35

Posted
Posted

Go with the Gt35. They are the bomb diggity.

They also have plastic cage bearings afaik, where as the GTX has steel cage. Hence the reason the old diesel designed GT35's have a higher failure rate. It's one of the Garrett turbos I wouldn't recommend.

Go with the GTX3076 imo for a similar power figure and quicker spool.

jamesdt Enthusiast

jamesdt

Posted
Posted

the best action ive had was with a GTX3076, 4000rpm's = Hammer time, 1st and 2nd at WOT =Black lines layed for 50meters which is f#$k yeah feeling.. 3rd= hold on

If you can do this then you know you got a wild ride, the rest is up to you and the tyres, suspension and right foot control, but personally this has set the bar for me... and now disappointed with anything less :(

not wrong here. The GTX3076 is awsome fun. i love it!

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