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HKS t04R questions

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Old 02-08-06, 01:48 PM
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HKS t04R questions

anyone have this turbo? i'm wondering what kind of power it will make on a streetported (racing beat templates) s5 motor at around 10psi and 15psi so i can keep it on pumpgas...

any input would be great!
Old 02-08-06, 01:56 PM
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From everything I know about the T04R you would be wasting your time at 10psi. They are designed to run at a much higher boost level than that. IIRC that turbo is best suited for 16psi up to 25psi. I could be a bit off on those numbers, but I remember the R being happy at high boost.

Zach
Old 02-09-06, 12:00 AM
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Zachs right, if your only going to push 10-15psi get something small like a t04e or t04s. Only go with the t04r if you going atleast 1bar. Talk to chuck from rotaryextreme, hes had many experiences with the t04r and t04z (bb to4z). Last time i was at the shop i rode in a t04z 600hp monster...which goes to show you its meant for high boost.
Old 02-09-06, 12:06 AM
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the t04r will give you 291 rwhp at 6 psi.. with the exact mods.
Old 02-09-06, 12:28 AM
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yeah if you plan to run less than bar, I would get a T04E 57 or 60 with .96 housing. I made 372rwhp @ 12psi on stock ports using one.
Old 02-09-06, 03:09 PM
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i was really wondering how much power the turbo would make on pumpgas, at around 15psi, 10psi being the wastegate setting...
Old 02-10-06, 02:45 AM
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what you need is a compressor map for a T04R and you should be able look at it and see about how much power it will make at differant boost levels
Old 02-10-06, 03:29 AM
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thanks for that enlightening input, tony. i am going to sleep easy tonight.

Old 02-10-06, 09:39 AM
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I'll have some dyno numbers for you soon. A good friend of mine will be getting his FD tuned in the next week or two. Here's the specs so you can see if it lines up with what you have.
'94 FD with stock ported engine
Haltech E8
850cc/1600cc injectors with a Walbro 255lph
HKS T04R
FMIC (I think he just pieced it together so I don't know a brand)
3" DP, 3" MP, Blitz Nur spec catback
And he'll be dynoing at 15-16psi.
BDC will be doing the tuning so I'm sure that he'll extract everything he can out of the car. I'll be sure to post up the numbers after the dyno day.

Zach
Old 02-10-06, 12:12 PM
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awesome. i'm ready to see that
Old 02-12-06, 11:42 AM
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I'm going to be running a T04R 1.0 A/R divided, hope to make about 430-450 on stock ports...
Old 02-12-06, 10:40 PM
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Originally Posted by jacobcartmill
thanks for that enlightening input, tony. i am going to sleep easy tonight.

LOL

Thanks I stayed at a Holiday Inn........ :P
Old 02-12-06, 10:46 PM
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do they have those in jap-land?
Old 02-13-06, 06:35 AM
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im running my to4r on my halfbridge...cant wait to break her and get a tune
Old 02-13-06, 04:35 PM
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black beauty, what size A/R turbine are you running? I bet that is going to be a powerhouse!!!! Best of luck on the tune.

Jacob, the tuning day is approaching. I'll be sure to keep you up to date with what happens.

Zach
Old 02-13-06, 05:26 PM
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Originally Posted by BoostedRex
black beauty, what size A/R turbine are you running? I bet that is going to be a powerhouse!!!! Best of luck on the tune.

Jacob, the tuning day is approaching. I'll be sure to keep you up to date with what happens.

Zach

im running a .96 with a 44mm wastegate...should be fun..i wasnt able to get the 1.15 a/r unless i wanted to wait 5 weeks for it :-(
Old 02-14-06, 12:25 PM
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stupid question... is the to4r a medium or large turbo...and i dont think its a 60-1 right?

Thanks

George
Old 02-14-06, 12:34 PM
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Originally Posted by black beauty
im running a .96 with a 44mm wastegate...should be fun..i wasnt able to get the 1.15 a/r unless i wanted to wait 5 weeks for it :-(
I may have a 1.15 in stock
Old 02-14-06, 10:45 PM
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I have a 1.15 Turbine housing undevided that's collecting dust.
Old 02-15-06, 04:46 PM
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Originally Posted by signofinfinity
stupid question... is the to4r a medium or large turbo...and i dont think its a 60-1 right?

Thanks

George

larger turbo
Old 02-15-06, 04:48 PM
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Originally Posted by fastrotaries
I have a 1.15 Turbine housing undevided that's collecting dust.
is the outlet a 3"?. Also does it have a v-band flange welded onto it?
Old 02-18-06, 07:58 PM
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Ive never been to the dyno but 1/8th mile time in sig w/et streets
Old 02-18-06, 10:44 PM
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Well, the tuning I mentioned won't be happening. There were some ECU problems that came up. Sorry about that J. Cartmill. I would say check out Wargasms dyno page. If I remember right there are quite a few dyno sheets from T04R's on there.

Zach
Old 02-22-06, 11:41 AM
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Originally Posted by red 7
Ive never been to the dyno but 1/8th mile time in sig w/et streets

wow those are some fast 8th mile times. especially for pumpgas
Old 02-28-06, 01:24 PM
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Hey were you talking about me????? If you were I got some bad news, leaky turbo no good. I ordered a new one and I'm getting that one in the car rebuilt. I wish I would have made some numbers but nothing yet. 37 days left


later days
Nieto

Last edited by snapcaseacilec; 02-28-06 at 01:29 PM.
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