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im assuming you have a 3076 dyno print out to compare to mine?

Here's one RB25DETS2 referred to:

post-a216081-HKS3037vsGT3582.jpg

The HKS GT3037 makes 180rwkw ~600rpm earlier than the GT35R, and thats loaded up on the dyno - not taking into account the better response resultant from having less inertia to deal with.

or is all that just your personal opinion without actually owning one? spongier? the host is asking about drag racing not going shopping

Its after driving and/or being passenger in a few cars with .82a/r GT3582Rs as well as my own with .82a/r GT30R. I haven't owned a .82a/r GT35R, as I was targetting around 300rwkw and I seems stupid to me to buy a turbo suited for far more when you don't intend on making far more. I think GT35R are good for the power level they are suited for, but this guy has said clearly he wants to run up to 1.3bar on stock internals - so there is absolutely no advantage in going to a GT35R though even in drag racing with stock cams etc it will be that much harder to get a clean launch and if he doesn't get up in the revs/through the gears swiftly enough he has the potential for that much less punch into the next gear.

You seem to be getting quite irate about it? Its nothing personal, just sheer logic that a turbo best suited to 280-300rwkw is better suited to 280-300rwkw than one suited to mid/high 300rwkw. Why would you try and convince someone with size 10 feet to buy size 12 shoes?

Edited by Lithium
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3076 could be the go then...internal have no dramas holding 1.3-1.4bar?

aslong as you make up a nice bellmouth style dump it holds boost fine. i'm running 17psi with a profec and it holds fine. when i first got it all together i still had a turbotech manual controller, that didnt work too well.....20psi untuned ftl

aslong as you make up a nice bellmouth style dump it holds boost fine. i'm running 17psi with a profec and it holds fine. when i first got it all together i still had a turbotech manual controller, that didnt work too well.....20psi untuned ftl

GT30 rear or rb25 style rear?

aslong as you make up a nice bellmouth style dump it holds boost fine. i'm running 17psi with a profec and it holds fine. when i first got it all together i still had a turbotech manual controller, that didnt work too well.....20psi untuned ftl

a good split dump will hold fine too. I am using a split and it holds sweet all the way

im curious as to the dyno graph why is the total speed at redline so much different?

is this 4th gear with the 30 and 5th gear with the 35?

surely he isnt reving it past 8k?

this may even the ramp onto boost up a little..

Have to double check with adrian but i think his spins to 7800, mines limited 7250.

Don't think that rpm on the dyno chart is accurate somehow....Both cars dyno'd in 4th gear.

Edited by RB25DETS2

Hey Darren

I wouldnt read too much into that graph, rev limiter was set to 7600, it did hit it hard tho, also it was crazy rich on the ramp so it's not a fair comparison.

the response of the gt30 running that sorta boost is very hard to get to the ground, not my cupa tea!!!!

Hey Darren

I wouldnt read too much into that graph, rev limiter was set to 7600, it did hit it hard tho, also it was crazy rich on the ramp so it's not a fair comparison.

the response of the gt30 running that sorta boost is very hard to get to the ground, not my cupa tea!!!!

Yeah you got grip i'm jealous. I'm learning to get it to the ground tho with very moderate throttle imputs. I'm over mashing it and leaving 3rd gear strips down the road (sometimes anyway). Nothing wrong with response tho, excellent turbo for 2.5ltr imo.

Edited by RB25DETS2

Power not getting to the ground is more about driver/tyres/suspension and so on.

Especially around the 250-300rwkw mark. I drive 280rwkw, and have next to no traction problems in any setup ive had (GT30 was 270rwkw, GT-SS's are around the same)

Power not getting to the ground is more about driver/tyres/suspension and so on.

Especially around the 250-300rwkw mark. I drive 280rwkw, and have next to no traction problems in any setup ive had (GT30 was 270rwkw, GT-SS's are around the same)

Why do you keep saying the things that I was thinking :cool: I wrote exactly the same response, remembered those guys are both making north of 330wkw and decided that maybe mine would be different with that power and decided to hold my tongue just in case when I make bigged numbers the car becomes useless haha. With 280rwkw however, my car is perfectly controllable - sure an "iffy" condition surface will result in traction loss in 3rd if you are being an animal but overall its quite useable.

Why do you keep saying the things that I was thinking :cool: I wrote exactly the same response, remembered those guys are both making north of 330wkw and decided that maybe mine would be different with that power and decided to hold my tongue just in case when I make bigged numbers the car becomes useless haha. With 280rwkw however, my car is perfectly controllable - sure an "iffy" condition surface will result in traction loss in 3rd if you are being an animal but overall its quite useable.

Any surface in third with anymore than quarter to half throttle coming onto boost results in wheelspin. When i was running 274rwkw i had no issues with wheelspin in third and second was quite controllable as you and Nismoid are finding.

Been actually thinking of running off the 18psi actuator for a lazy 300-320 to see if its any better in the traction stakes.

Any surface in third with anymore than quarter to half throttle coming onto boost results in wheelspin. When i was running 274rwkw i had no issues with wheelspin in third and second was quite controllable as you and Nismoid are finding.

Been actually thinking of running off the 18psi actuator for a lazy 300-320 to see if its any better in the traction stakes.

Read again mate i'm having issues in third at 350rwkw

270 and you loose traction in 3rd?

wow... i can full throttle and never loose grip by 3rd

Not sure who you are pointing that at but as I said, when I have issues in 3rd its due to compromised traction levels - a cold NZ evening where there has been rain at some point during the day even if the road appears dry is one such situation. I was just saying its POSSIBLE to have it being a bit of a handful (not counting going out in rain which is a given haha)

The car doesn't have ridiculously traction, most people are impressed at how much in gear acceleration it can pull on street tyres - usually it can take pretty much full throttle in 2nd and it will just writhe a bit, not so much you need to lift off. First gear is useless at over half throttle.

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