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S15 Spec R - Hardtuned.net - Page 2

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S15 Spec R Silvia

66 replies to this topic

#31 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 16 July 2015 - 05:29 PM

I didn't need to drill the eyelet hole at all on my s15 and I used the same belt I already had on before. Also I didn't notice my belt being out of alignment with the pulley, so the alternator might sit differently on the alternator bracket on the s13 compared to on the s15.

Edited by Kirksil13, 30 August 2015 - 07:03 AM.


#32 Pimp My Ride

  • Joined:06-May 11
  • Location:Australia NSW
  • Car:JDM S15 Spec R

Posted 16 July 2015 - 06:15 PM

View Postpmod, on 16 July 2015 - 03:20 PM, said:

View PostPimp My Ride, on 16 July 2015 - 01:54 PM, said:

Good info thanks for the quick simple write up!

"drill the rear positive S13 harness eyelet out by 2mm"

^^Same for s15 and still using s13 or s15 alt belt?

No probs. Yeah, it should all be the same. The S15 alternator chassis is effectively the same as the S13 one, and the eyelet terminal on the harness will be the same size or bigger than the S13 one, so that should be easy to deal with.

Sweet sounds good.

Just a little concerned on how much the belt can take before it "may" come off since it'll sit a further 7mm as claimed?

#33 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 29 August 2015 - 06:48 PM

Changed my exhaust system to the stock catback while still retaining the Xforce dump pipe, front pipe and high flow cat. It's really quitened the noise down and I still see 16psi with the narrower system. I also gained an extra 30mm ground height clearance too.

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Edited by Kirksil13, 30 August 2015 - 07:09 AM.


#34 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 04 September 2015 - 10:21 AM

So after driving around with the stock catback exhaust for a week, I've noticed that I am lacking a bit of torque (due to the smaller pipe restricting flow). I used to be able to chirp 2nd when flat shifting with 255 tyres on the rear but I'm unable to now. And it also feels like I've lost about 200-300rpm boost response. So I'm looking to refit the 3in Xforce catback to diff pipe and welding on a flange to fit the stock muffler from the diff back which is about 1m long. Hopefully that will help keep the noise to a minimum while still retaining the best flow possible.

#35 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 05 September 2015 - 12:16 PM

I've also added another handy gadget to the interior department. It's a temperature controller with lcd display, which Ive hooked up to keep an eye on my air intake temps http://www.autospeed...isplay&A=112617 . It also has a feature with a relay output that can switch on fans, pumps, warning buzzer etc when a predetermined temperature has been reached. I currently have mine wired into the intercooler water sprayer which comes on when my intake temps get above 50c

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Edited by Kirksil13, 05 September 2015 - 03:28 PM.


#36 B00sted180

  • Joined:26-March 12
  • Location:Australia SA
  • Car:180SX

Posted 05 September 2015 - 05:33 PM

I had one of those and tried hooking it up for my thermo fans. After the sensor wire broke I cracking the s**ts and putting the clutch fan back in.

#37 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 14 September 2015 - 03:42 PM

Finally got around to fitting the adjustable castor rods & steering rack bushes over the weekend. Car feels alot better now that i dont have any slack in the front end. Going to try and get a wheel alignment soon and get some more front end grip and steering response with some new settings ill be trialing.

#38 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 14 September 2015 - 08:54 PM

I managed to get a wheel alignment done this afternoon and WOW what a difference it has made to the cars handling. Settings are as follows: Front camber -2'40, castor 7, toe +0.5mm
Rear camber 1'10, toe -0.5mm
Also note that i recently lowered the s15 an extra 20mm.
With this setup there is so much more front end grip available on turn in and mid corner, for example not far from my place there's an S road that snakes downhill. Before the alignment i would start to understeer when pushing any harder than 60kmh, now i can comfortably hold 80kmh through the links with no understeer at all. I did want to try and set my rear toe to 0 but i ran out of adjustment with the stock items. So pending tyre wear, adjustable toe rods might be on the agenda in the near future.

#39 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 22 September 2015 - 08:59 PM

Got my exhaust system setup just as i wanted it now. A free flowing system that sounds like stock or quieter. I also picked up an extra 2psi and gained the 200-300rpm boost response i lost with the restricted stock catback. The exhaust system now consists of 3in X force dump pipe, front pipe, high flow cat and mid pipe then changes into the stock 2-2.5in diff back exhaust.

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#40 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 20 October 2015 - 09:05 PM

Received my new 3in bellmouth dump pipe to replace the old restrictive xforce split dump that come with the car.

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Edited by Kirksil13, 20 October 2015 - 09:06 PM.


#41 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 05 November 2015 - 06:11 AM

Recently purchased a brand new gt2860rs exhaust housing to replace the old housing on the vn14 turbo. It had a 20mm long crack on the inside of the internal wastegate hole. I still have to remove a stripped bolt before i can get the rear housing off to swap over. I'm also going to get the new housing wastegate hole ported as large as possible when i get it machined to suit the vn14 chra.

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#42 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 06 November 2015 - 07:22 PM

New N1 strengthened tie rods arrived today. They seem to be a good quality, solid bit of gear. The rods are 16mm thickness that taper into 20mm at the knuckle with 6mm inbuilt lock spacers. And the ends are slightly taller to accommodate roll center adjustment.

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#43 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 16 January 2016 - 02:49 PM

So alot of purchases have taken place over the last 2 months and im really starting to get everything together for the e85 tune with the vn14 turbo. I have recently bought nismo 740cc injectors, G Plus oil cooler kit with in built thermostat, racetech 2in1 digital oil pressure and oil temperature gauge, 3 piece lightened pulley set, adjustable toe rods, cusco tension brace, gktech offset castor arm spacers and an innovate ecb1 gauge that reads afr/boost/fuel temp & e85 content %.

#44 S15 sxytime

  • Joined:18-March 09
  • Location:Australia SA
  • Car:S15 GT spec R

Posted 16 January 2016 - 07:02 PM

Mate. Those lightened pulley sets are shit. Give you no more power despite what that add says but will give you more problems in the future, nothing wrong with the stock setup

#45 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 16 January 2016 - 07:10 PM

Yeh i knew that when i bought them, at the time i had a belt squeal that wouldnt dissappear even after using dry lube, belt grip, replacing belts etc. So i replaced the pulleys with the lightened set as they were cheap enough new and my belt squeal has finally gone away now.

#46 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 20 January 2016 - 02:41 PM

Just a couple of pics of recent parts to keep the thread visual.

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#47 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 01 February 2016 - 07:24 PM

Had a long weekend this weekend with an RDO today, so i decided to get my arse into gear and finally install this vn14 turbo thats been sitting in the garage for the last 18 months. Its a pretty straight forward swap although i did have a few complications with braided lines as my kit had an oil restricter end on the oil line which was too small for my turbo, so i had to muck around fitting the oem oil hard line instead. Also had to modify the oil drain pipe and the lower turbo heat shield to fit around the braided lines, but its finally in now and hopefully should be flex tuned with e85 around March/April.

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Edited by Kirksil13, 04 February 2016 - 07:45 AM.


#48 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 04 February 2016 - 11:04 AM

My nistune ecu arrived back this week after being installed with a flex kit, new firmware update and an s15 base map loaded on. Also my innovate ecb1 gauge arrived this week, just in time to fit so i can get some AFR readings on the vn14 turbo i just installed.

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Edited by Kirksil13, 04 February 2016 - 12:23 PM.


#49 mik5082

  • Joined:09-July 09
  • Location:Australia NSW
  • Car:2002 r-spec 200sx

Posted 04 February 2016 - 08:04 PM

looking good with the nistune do you lose your old tune doing the flex & update

#50 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 04 February 2016 - 10:37 PM

I bought the ecu 2nd hand with nistune already installed and running a tune for td05, hks cams, 740cc injectors & z32 afm. None of which i had fitted. So when i sent it away to get the flex kit installed i just got Matt to load the s15 base map on for me, to use until i get my flex tune done.

#51 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 07 February 2016 - 06:36 PM

Installed the innovate ecb1 gauge over the weekend. I have a boost reading at the moment, just have to wait for my flex sensor to arrive so i can get ethanol content % and fuel temperature readings. Will hopefully get a wideband bung welded onto the front pipe soon, so i can start reading AFR's as well.

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#52 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 02 May 2016 - 11:33 PM

Heaps of new things have been happening to the s15 over the last few months. Firstly i had trouble with the vn14 actuator setup, as the mounting points on the turbo wouldnt line up with the flapper on the internal gate (it opens backwards compared to garrett turbos) so the turbo kept overboosting due to the gate being pinned shut.

I ended up getting a new turbosmart iwg75 with the bent rod, which fixed this issue. Then i blew the turbo to manifold gasket, so off come the setup again. This time i reinstalled an oem water pump and oem gasket (note to self dont use ebay multi layer gaskets) along with some fire sleeve on the lower oil return hose and the braided oil hose with adapter to suit.

I also bought some aeroflow e85 fuel hose to install with the continental ethanol sensor. Fitted the strengthened tie rods and adjustable toe rods, then got another wheel alignment with new nitto invo 225/40/18 tyres fitted to fronts.

Then it was time to fit the wideband sensor, so off to the local mechanic it went to get an o2 bung welded to the front pipe and the gearbox hanger re welded as it had separated from the gearbox and exhaust.

Last but not least i picked up a pair of red genuine recaro sr3 bucket seats out of an EP3 Type R wreck for a pretty good price and then spent the rest of the weekend sourcing a pair of second hand bride rails to match.

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Edited by Kirksil13, 03 May 2016 - 12:00 AM.


#53 pmod

  • Joined:13-May 10
  • Location:Australia NSW
  • Car:Fruity 180sx

Posted 03 May 2016 - 08:37 AM

Nice progress. Haven't seen a cometic gasket manifold->turbo gasket blow out like that... presumably the Chinese manufacturer used extremely low quality metal.

#54 ru55kj

  • Joined:21-January 06
  • Location:Australia NSW
  • Car:S15

Posted 03 May 2016 - 08:55 PM

Are you going to get nistune to control the boost as well depending on the fuel?

#55 180X

  • Joined:03-February 08
  • Location:Australia QLD
  • Car:180 type X, s15

Posted 04 May 2016 - 11:36 AM

how much was ur flex sensor? im planning to go fuel flex aswell

#56 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 04 May 2016 - 06:55 PM

View Postru55kj, on 03 May 2016 - 08:55 PM, said:

Are you going to get nistune to control the boost as well depending on the fuel?

No i already have an apexi avcr for my boost control needs so ill try and set that up to match in with the tune. Ill also have a high and low boost setting on the avcr to switch between, when running either full tanks of e85 or full tanks 98. I plan to target 20-21psi for e85 and about 18psi for straight 98.

#57 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 04 May 2016 - 06:58 PM

View Post180X, on 04 May 2016 - 11:36 AM, said:

how much was ur flex sensor? im planning to go fuel flex aswell

I think i paid $66 inc postage shipped from overseas. The price of flex sensors already landed in aus were almost tripple.

#58 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 07 May 2016 - 03:13 PM

Got the drivers side recaro in today. Fits nice and snug inside and matches well with the rest of the factory red interior.

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#59 180X

  • Joined:03-February 08
  • Location:Australia QLD
  • Car:180 type X, s15

Posted 12 May 2016 - 03:10 PM

View PostKirksil13, on 04 May 2016 - 06:58 PM, said:

View Post180X, on 04 May 2016 - 11:36 AM, said:

how much was ur flex sensor? im planning to go fuel flex aswell

I think i paid $66 inc postage shipped from overseas. The price of flex sensors already landed in aus were almost tripple.

damnn, could you link me to where you got it from?

#60 Kirksil13

  • Joined:29-December 09
  • Location:Australia NSW
  • Car:S15

Posted 13 May 2016 - 08:33 PM

http://www.ebay.com....K%3AMEBIDX%3AIT

Edited by Kirksil13, 13 May 2016 - 08:39 PM.






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