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r33 GTSt intercooler upgrade qu..

raz0r$harP.UK

By raz0r$harP.UK,
in Engines & Forced Induction

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raz0r$harP.UK Grand Master

raz0r$harP.UK

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Hi,

I'm looking at some mild performance mods for my 'line. Not planning on taking onto the track for any major racing time, except for the occasional hoon along WSID once it opens :D

Anyway I'm trying to achieve around 200-200rwkW, and looking at intercooler upgrades to help that along the way..

Just wondering if it's really necessary to shell out on one of those 600x270x?.. front mounts, or will I be able to scrape by with a stock intercooler (maybe a r34 GT-T one if necessary)?

Other options I was looking at was a not-as-big FMIC, like an VR4 / Evo / Apexi (500x?x?) ones..

Any advice?

Cheers..

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rob77 Veteran

rob77

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Its impossible to reach that power level on the stock turbo on a r33 most of them seem to max out around the 180-190kw (I have seen over 200rwkw but on a dyno that reads notoriously high) so you will need to upgrade the turbo and the intercooler. Do a search on here for turbo's and you'll pull up a heap of threads one guy in particular has made good power using a vg30 turbo and modifying it slightly and ended up costing less than $500 I think. If you want a complete turbo I'd get something along the lines of a garrett gt25/40 (around $1900-$2000) and that will get you just over 200kw, if you want 250kw get a gt30 as for the intercooler just find a good locally made unit, you can get a good japanese kit like a hks or a trust from a certain person in japan but you risk paying import duty and gst (a total of 25% more).

rev210 Grand Master

rev210

Posted
Posted

the standard intercooler can be improved upon. My reccomendation is the trust tube and fin bolt in replacement. Around $900 and will support 200rwkw.

There has been a few R33's to get 200rwkw on the factory turbo, some with the times to back it up too. For street use and the occasional drag strip visit a front mount can be put off till you do some better value for money mods. I know of one gtst in perth with both factory ic and turbo to pull 211rwkw on a dyno that reads fairly btw.

raz0r$harP.UK Grand Master

raz0r$harP.UK

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hehe woops..maybe somewhere in the 180-220 range..I know that's fairly broad, I guess I'll see how I go.. haven't really done anything yet, just pipe dreams at the moment..

Nrage33 Community Regular

Nrage33

Posted
Posted

My car managed 200rwkw on 15psi with a stock intercooler...but it had alot of help from a high-flowed t04 compressor housing with a stainless steel wheel. then it needed an S-AFC, boost controller, pod filter, and a turbo back exhaust. The turbine housing is still stock.

The whole Hi-flowed thing was done by the previous owner...but yea, if not for that then i would probably be fighting alot harder and sleeping less trying to get money for mods that stretch the stock turbo to its limits.

With a FMIC, I can achieve 200rwkw at 12psi. It helps cos it's safer, and a cos of a retuned S-AFC

My point is that it can be done on a stock cooler, but nobody would recommend it. Things will get too hot. They could only run my car up to 200rwkw once that day cos of the heat soaking into everything.

Chief Explorer

Chief

Posted
Posted
  rev210 said:
the standard intercooler can be improved upon. My reccomendation is the trust tube and fin bolt in replacement. Around $900 and will support 200rwkw.

There has been a few R33's to get 200rwkw on the factory turbo, some with the times to back it up too. For street use and the occasional drag strip visit a front mount can be put off till you do some better value for money mods. I know of one gtst in perth with both factory ic and turbo to pull 211rwkw on a dyno that reads fairly btw.

Hi rev210.

Where can you get these trust coolers from, this sounds quite interesting..

benm Grand Master

benm

Posted
Posted

Make sure you choose a FMIC suited towards the power figures that you are after. No point getting a massssive FMIC if you only want 180-220rwkw (which IMO is possible with the standard Turbo).

Zahos Mentor

Zahos

Posted
Posted

I managed 200 rwkw on the stock turbo (but like everyone says, the dyno could be reading a little high). I also have a VR4 cooler with larger inlet / outlets on the end tanks (as the originals were only 2" I think). Other mods are pneumatic boost controller (as seen on autospeed.com), K&N hi-flow panel filter element, 3" turbo back exhaust, and SAFC with A/F ratio's at 12:1.

When I added the boost controller and ran car at higher boost I felt a small power difference

When I dropped a hi-flow filter element I felt the car was struggling less at hi rpm. (I had a pod filter on before that, which felt NO different to a hi-flow panel filter, so only get a pod if u like the noise it makes..... I hate it though, so I got rid of it)

When I put the cat back exhaust on I felt almost no difference

When I put dump/front pipe I felt a little difference

When I put intercooler on I felt NO difference

When SAFC was tuned, I felt a HUGE difference.

I'd say don't expect too much out of your mods until you sort your a/f ratios out though.... With all my mods (minus SAFC) I managed a top of 164rwkw. My A/F ratio's were all over the place, and car ran like CRAP after 5000rpm. tuning my A/F ratio's helped me get the most out of all my mods, so make sure that (or aftermarket tuneable ECU if u can afford it) is on your list....

Thought I'd post my experiences up since your goal is same/similar to what I set out to achieve. Hope you find the info useful!

Zahos

Guest RedLineGTR

Guest RedLineGTR

Posted
Posted
  rev210 said:
the trust intercooler is availible from takakaira.co.jp / greenline and nengun.

The side mounting of the intercooler has the advantage of much better airflow than the front mounting except the space is a little restricted.

side mounting the intercooler would u mean like getting a original mount cooler simialr to the stock r33 gtst one but bigger and fatter and that flows better??

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