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Author Topic: r33 Coupe Build  (Read 45692 times)

SlaterRacingNZ

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« on: January 16, 2011, 12:37:11 PM »
Hey guys thought I would ask for advise on a few upgrades for my gts25t.

First of all I have been looking for a good fmic kit, I've managed to find a kit on trademe which redline performance are selling. (2.5" piping 600x300 fmic)

Obviously something was brought to my attention when it comes to the type of fmic I see there are different types: tube and fin,or bar and plate.

Are there any other types and does anyone know what the difference/benefit is between them?:confused:
« Last Edit: January 17, 2011, 03:27:05 PM by SlaterRacingNZ »

Ultimategtr

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« Reply #1 on: January 16, 2011, 12:47:18 PM »
Good to see you are researching before you buy. My advice - Tube n fin. The ONLY downside for that is that it "restricts" airflow to the radiator. I've been running mine for 3+ years with no noticable temp increase. Get a GTR fmic if you can.

http://www.are.com.au/feat/techt/intercooler.htm

soljah64

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« Reply #2 on: January 16, 2011, 12:58:45 PM »
yup tube n fin is better than bar n plate....

SlaterRacingNZ

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« Reply #3 on: January 16, 2011, 01:24:04 PM »
Quote from: Ultimategtr;525689
Good to see you are researching before you buy. My advice - Tube n fin. The ONLY downside for that is that it "restricts" airflow to the radiator. I've been running mine for 3+ years with no noticable temp increase. Get a GTR fmic if you can.

http://www.are.com.au/feat/techt/intercooler.htm


Cool I just managed to source this http://www.trademe.co.nz/Trade-Me-Motors/Car-parts-accessories/Nissan/Radiators/auction-346239300.htm will have to see how much the biding goes up to, brand new usually $400 for the kit with a $1 reserve.

Will be looking for pipes for a ff plenum, throughout the information provided on the fmic upgrade I have noticed that the vaccum feed line on the stock smic pipe is not there. Which means I will have to weld a nipple on, don't suppose you guys know if you can buy the pipes with these fittings already on them?

gtsr

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« Reply #4 on: January 16, 2011, 01:28:02 PM »
I agree. Stock GTR FMIC is supposedly really good at letting air reach radiator and good for up to I think was 300-400awkw?. Can notice a 20awkw gain from fitting a tube N fin intercooler on GTR.

Stock intercooler is bar N plate and restrictive in terms of flow (ok for low boost, low hp applications). Tube N fin is higher flowing, better at cooling and suited to high hp applications. Also you'll probably find out that tube N fin core is lighter.

Here's the CFM comparison with the cheaper bar N plate vs tube N fin intercooler cores -

http://www.are.com.au/techtalk/intecoolersMR.htm#Chinese Intercoolers

Higher CFM = better flowing.
« Last Edit: January 16, 2011, 01:31:37 PM by gtsr »

Ultimategtr

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« Reply #5 on: January 16, 2011, 02:01:33 PM »
Most fmic kits dont have the nipple for boost. Just take it to any engineering shop and have them tig up a nipple.

FF plenum? Whats wrong with your one? A FF one will give you a bit more response, but its best if you get a tune for it to maximise its effeciency.

SlaterRacingNZ

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« Reply #6 on: January 16, 2011, 02:45:46 PM »
Quote from: Ultimategtr;525698
Most fmic kits dont have the nipple for boost. Just take it to any engineering shop and have them tig up a nipple.

FF plenum? Whats wrong with your one? A FF one will give you a bit more response, but its best if you get a tune for it to maximise its effeciency.


Atm there is no real benefit apart from more response, during the fuel rail and injectors upgrade I mose well change the plenum. Say later down the track when I upgrade the turbo and manifold I will already have the intake side done so there will be less pissing around when it comes upgrades and tuning.

samos69

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« Reply #7 on: January 16, 2011, 02:51:29 PM »
Another road you could take (this is the way I did it) was to get a genuine GTR cooler (r32 which is supposedly good for 500hp) and then buy a piping kit. I have more faith in a GTR item than a chinese one when it comes to flow.

GTR cooler: http://www.trademe.co.nz/Trade-Me-Motors/Car-parts-accessories/Performance/Radiators-cooling-systems/auction-346604414.htm

Piping (with t-clamps, etc): http://www.trademe.co.nz/Trade-Me-Motors/Car-parts-accessories/Performance/Radiators-cooling-systems/auction-346604414.htm
Sam

Beginning build phase S1DWYZ MkII in progress.


SlaterRacingNZ

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« Reply #8 on: January 16, 2011, 04:33:18 PM »
Quote from: samos69;525711
Another road you could take (this is the way I did it) was to get a genuine GTR cooler (r32 which is supposedly good for 500hp) and then buy a piping kit. I have more faith in a GTR item than a chinese one when it comes to flow.

GTR cooler: http://www.trademe.co.nz/Trade-Me-Motors/Car-parts-accessories/Performance/Radiators-cooling-systems/auction-346604414.htm

Piping (with t-clamps, etc): http://www.trademe.co.nz/Trade-Me-Motors/Car-parts-accessories/Performance/Radiators-cooling-systems/auction-346604414.htm


Would seriously consider the gtr front mount, they've been prove to perform quite well the only factor is the one I'd get a hold of would not be brand new.

Will have to make a list of what parts I'm looking for and what hp I wish to achieve any input when it comes fueling would be much appreciated, spark is not a problem atm as the car is already running a new coil loom with brand new super spark coil packs.

westybob

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« Reply #9 on: January 16, 2011, 06:14:53 PM »
You don't say what you have already done. 3in turbo back exhaust would be no1 and high flow panel for your airbox no2 or have you done those already?

SlaterRacingNZ

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« Reply #10 on: January 16, 2011, 07:30:46 PM »
Quote from: westybob;525753
You don't say what you have already done. 3in turbo back exhaust would be no1 and high flow panel for your airbox no2 or have you done those already?

Stock AirBox Till I get the front mount, 3" exhaust from turbo back already done - sounds sweet. Exhaust was the first thing I did. Been looking into bosch 500hp fuel pump turbo smart regulator and surge tank.  

From what I have herd the boosh pumps are reliable and of good quality ?
« Last Edit: January 16, 2011, 07:56:58 PM by SlaterRacingNZ »

samos69

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« Reply #11 on: January 16, 2011, 07:40:57 PM »
Quote from: godly25det;525768
Stock AirBox Till I get the front mount, 3" exhaust from turbo back already done - sounds sweet. Exhaust was the first thing I did. Been looking into boosh 500hp fuel pump turbo smart regulator and surge tank.  

From what I have herd the boosh pumps are reliable and of good quality ?


Bosch fuel pump all the way, flows much more than the walbro (cost more too though!)
Sam

Beginning build phase S1DWYZ MkII in progress.


crunchy

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« Reply #12 on: January 16, 2011, 08:05:48 PM »
bar and plate
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drift K.I.D

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« Reply #13 on: January 16, 2011, 09:09:40 PM »
im running a 600x300x100mm bar n plate intercooler,i think the bar n plate  have a lower pressure drop than tube n fin.

westybob

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« Reply #14 on: January 17, 2011, 02:58:03 AM »
Quote from: godly25det;525768
Stock AirBox Till I get the front mount, 3" exhaust from turbo back already done - sounds sweet. Exhaust was the first thing I did. Been looking into bosch 500hp fuel pump turbo smart regulator and surge tank.  

From what I have herd the boosh pumps are reliable and of good quality ?
Bosch is fine - you don't need a new fuel rail or fpr to make big power. You will need better injectors and afm unless you're getting a Link.
You need to pick a power level, choose an appropriate turbo and then get the right supporting mods.