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Hks Low Mount Turbos On Gtr

r32-25t

By r32-25t,
in Engines & Forced Induction

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Turbz_13 Experienced

Turbz_13

Posted
Posted (edited)

glad i found this topic!!! just bout to thro a haltech into the car and then lookin at turbo options of good power and drivability without having to increase the rpm!

was lookin at the gtrs hks turbos

Edited by Turbz_13
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Beer Baron Grand Master

Beer Baron

Posted
Posted
cruiseliner has had that username banned but he has the jun rb27 with To4Z, not the GTSS combo you mention :)

JustinFox is someone who had a thread recently about his GTSS dramas and then the solution.

justinfox is running 2530s mate. or at least he was.

R31Nismoid Grand Master

R31Nismoid

Posted
Posted

Good results Nick as im telling you now on MSN... lol.

Here is part of the convo just for others, no point re-typing it.

GT-RS - 19/20psi

gt-rs 125km/h ~150rwkw

gt-ss 125km/h ~255wkw

gt-rs 150km/h ~255rwkw

gt-ss 150km/h ~300rwkw

Thats ~ 5200rpm

/end convo!

Anything after the approx 5200rpm mark and the GT-RS have caught the GT-SS and continue onto the bigger powers as you'd expect.

So you can see for a street GTR why the GT-SS dominate.

But for a drag or more hp aims, the GT-RS do well... Ill have a look for a good 2530 graph too, should be somewhere in the middle of the two

R31Nismoid Grand Master

R31Nismoid

Posted
Posted
Whoops, sorry. They are GT-SS turbos "JA JUNG"+ funny jap clapping.

So 370rwkw from GT-SS turbo as 1.3 bar? Was that on PULP or race fuel? NOS?

Strikes me as being a little... well... optimistic unfortunately.

GT-SS are tiny-tot turbos of the HKS range.

Not much bigger than factory, around the same as R34 N1s.

When everyone makes 300-330rwkw from them, sitting around 20-22psi.

Then one car, just one... comes out and makes another 40-50rwkw from nothing doesnt add up at all.

If you said 2530's... it would be smack on the marker. But 370rwkw on PULP, thats very much unrealistic for GT-SS.

how do you think slides highflows would compare to the gt-ss in terms of response?

Without seeing them on a car with results, impossible to say

The Alchemist Collaborator

The Alchemist

Posted
Posted
wow, thats a good post with good info from a person who can comment on both sides

i didnt think the GT-SSs could stay with the -5s so close, unless you mean the 20kw difference was the before and after cams with the -5s?

surprising is an understatement

go you little GT-SSs haha

Both set ups with the same Tomei cams 260/260 9,15mm nly the turboes changed

Beer Baron Grand Master

Beer Baron

Posted
Posted

very interesting alchemist. basically the -5s have the same response as the SS and more power. can you refresh my poor memory with the specs/housings/part no. or the -5s?

Beer Baron Grand Master

Beer Baron

Posted
Posted

just read back to your post alchemist. basically you are running the garret "2530" how different if at all is it from the HKS 2530? The only reason I ask is the HKS version is easier for me to get, and it comes of course with all the gaskets etc which save me some hassle.

djr81 Grand Master

djr81

Posted
Posted
very interesting alchemist. basically the -5s have the same response as the SS and more power. can you refresh my poor memory with the specs/housings/part no. or the -5s?

Always a bit of a worry when you have stumped up for the cash & you start seeing topics like this.

http://www.turbobygarrett.com/turbobygarre...0R_707160_5.htm

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