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Garrett or HKS T04Z/T51r KAI? [Archive]

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Garrett or HKS T04Z/T51r KAI?

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R34NRG

15-04-09, 14:02

hey guys not a common poster on these forums but i thouhgt there wouldnt be another forum as well educated about turbos then this one.

currently have a 26/30 r34 sittn at the shop waiting on my decision on which turbo to go. the cars basicly a street/show car with its main aim to be quick on the street.

currently making 340kw @ the wheels with a gt3540 with no headwork at 20psi. but like most of you the rush tends to die down after a while, thus my never ending thurst for my power grows stronger.

narrowed my decision down to the following turbos.

Garrett T04z
HKS T04z'
HKS T51r KAI.

i have always been reading about the Garrett vs HKS issue and till this day still seems like a mixed bag. people like Kyle from 6boost who deal with this sort of stuff everyday say the garrett is every bit as good as the hks, and the extra 2-3k you pay for a hks is not worth the hassle. on another note alot of poeple claim that hks turbos always spool faster and make more top end.

as for the T51r i just cant let go the sound it makes on spool, but the only thing stopping me from buying this abd boy is the lag that will come with it. im assuming on a mildy port/polish setup this turbo will be on song at about 5-6k?

if anyone can help us out with personal experience of any sort of expertise that would be great!!!

i do have a feature in HPI in the comming months so i might have a shoutout to anyone who has helped me!! :D

Woggster

15-04-09, 14:28

if u want "response" don't go for the T51R, but i have 2 agree when they come onto boost it's all worth it :D. if i was you i would get the Garrett T04z....why? because it comes onto boost relatively well considering its size, it's cheaper than the HKS T04z and Garrett is a brand that is tryed and tested and will do almost anything the HKS can do ;)

i just had an idea. wat about a GT35r (1.06) or GT45?

not sure if that's any help...

Duke57TT

15-04-09, 14:52

35/40 = 35r or there abouts. There is still a bit of grunt left in that turbo, maybe some more boost, or go some large cams and head work. They flow about 60-65l/b a minute worth of air.

To4z will see you in the 400+rwkw club. Keep in mind that it is a different flange to the t3 footprint turbo you have now so at minimum it will require a new flange on your turbo manifold.

You could try someone like billet turbo. I think they have something like t04z power on a t3 sized leg style turbo for a bit over 2k bout 2400 i think.

Billet S66-GTQ (ETT) on a 1.00a/r t3 leg?

EDIT: They also come with wank options like shrouded covers, polished ceramic coated etc

Epitaph

15-04-09, 15:12

those billet turbos seem to be the goods!

pmac

15-04-09, 15:53

Imo, get some big cams into it and start putting meth or toulene in your tank lol. Sup 25+ psi

Will cost fk all compared to putting a big laggy turbo on

How much of 400kw can you really use on the street anyway? Not much ;)

R34NRG

15-04-09, 16:00

its currently got the rb25 head on it atm. and ive got a spare rb26 head out of r33 in mint condition. i really wanna use it, bti for show and for biggger cam options down the track.

i guess it would be cheaper to run pre mixed meth and fill her up at home and tear up the street on the weekend.

but the car runs out of puff on the 34r......i see alot of 34r cars running close to 400kw.

any idea why this might be? head not flowing enough? might need a port/polish?

Duke57TT

15-04-09, 17:38

There is alot of if buts and maybe and without knowing your exact combo we can all guestimate and say do this or that but really the person putting this package together for you will be able to say this is what I can and can't achieve.

pmac

15-04-09, 18:29

Could be the head, it is stock after all and 340rwkw is an effort I thought they were only really good for up to 300rwkw.

What size rear on the turbo?

As above you'll need to take any advice with a pinch of salt because most of us aren't experts and didn't build your car

Jet R31

15-04-09, 21:06

those billet turbos seem to be the goods!

If you can get one, useless ****s, 14 months it took for them to fit a comp wheel to my turbo, they are famous for being useless

its currently got the rb25 head on it atm. and ive got a spare rb26 head out of r33 in mint condition. i really wanna use it, bti for show and for biggger cam options down the track.

i guess it would be cheaper to run pre mixed meth and fill her up at home and tear up the street on the weekend.

but the car runs out of puff on the 34r......i see alot of 34r cars running close to 400kw.

any idea why this might be? head not flowing enough? might need a port/polish?


Its the cylinder head, no ifs buts or maybes, they are ****ing POS and you push **** uphill over 340-350rwkw.
either spend a gizzilion dollars on it(2500G), or just put a stock Rb26 head on it and maybe a few more pounds and it will make lowish 400rwkw.

The problem you have is common as these days, seen it plenty of times now, the 350rwkw rb25 head brick wall.
cheers
darren

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