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max rwkw from s15 injectors? - Hardtuned.net

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max rwkw from s15 injectors? 

5 replies to this topic

#1 Bobo180sx

  • Joined:09-March 07
  • Car:200

Posted 20 March 2017 - 08:21 AM

hi all, max kw from s15 injectots?
My 180sx is running all the support mods to reach 200 rwkw just need a set of injectors, would s15 injectors get to 200rwkw?
or should i buy a set of 550cc injectors?

#2 Scotties15

  • Joined:08-May 05
  • Location:Australia QLD
  • Car:S15 200sx

Posted 20 March 2017 - 01:34 PM

With the s15 inj might get there. Just go 740s or top feed For future support.

#3 s15rocket

  • Joined:26-November 11
  • Location:Australia VIC
  • Car:180sx type x

Posted 20 March 2017 - 01:39 PM

I was/am in the exact same position as you. 180sx and was looking at getting hold of some cheap s15 injectors to spin 200rwkw, but from all my research looking at dynos of sr20det with s15 injectors the most they seem to spin up is 170-180rwkw before maxing out. So I decided to just bite the bullet and buy some nismo 740cc.So I would get 550cc or 740cc personally. Ebay sells the yellow tip refurbished 550cc injectors for pretty cheap like $300. Maybe get those.

#4 Bobo180sx

  • Joined:09-March 07
  • Car:200

Posted 20 March 2017 - 01:53 PM

View Posts15rocket, on 20 March 2017 - 01:39 PM, said:

I was/am in the exact same position as you. 180sx and was looking at getting hold of some cheap s15 injectors to spin 200rwkw, but from all my research looking at dynos of sr20det with s15 injectors the most they seem to spin up is 170-180rwkw before maxing out. So I decided to just bite the bullet and buy some nismo 740cc.So I would get 550cc or 740cc personally. Ebay sells the yellow tip refurbished 550cc injectors for pretty cheap like $300. Maybe get those.

yeah i think i will have to, im nearly there once i get the injectors and get Nistune all thats left is tuning.
i think ill go with 740cc in case i need more power in the future.
i see ur from Vic, same as me, any track days that u know of? keen to go to a track day when the 180sx is up to scratch.....

#5 s15rocket

  • Joined:26-November 11
  • Location:Australia VIC
  • Car:180sx type x

Posted 21 March 2017 - 12:58 AM

View PostBobo180sx, on 20 March 2017 - 01:53 PM, said:

View Posts15rocket, on 20 March 2017 - 01:39 PM, said:

I was/am in the exact same position as you. 180sx and was looking at getting hold of some cheap s15 injectors to spin 200rwkw, but from all my research looking at dynos of sr20det with s15 injectors the most they seem to spin up is 170-180rwkw before maxing out. So I decided to just bite the bullet and buy some nismo 740cc.So I would get 550cc or 740cc personally. Ebay sells the yellow tip refurbished 550cc injectors for pretty cheap like $300. Maybe get those.

yeah i think i will have to, im nearly there once i get the injectors and get Nistune all thats left is tuning.
i think ill go with 740cc in case i need more power in the future.
i see ur from Vic, same as me, any track days that u know of? keen to go to a track day when the 180sx is up to scratch.....

Nah mate I'm based in Brissy for now (from Melb originally) but I may be coming back to Melbs in a year or so who knows! Im always happy to meet fellow S chasis enthusiasts :) Oh and I still have to get my handling fixed (that's next on the list). Car handles like chit right now, around corners with the stock suspension omg.....tyres screeching and sliding on only a mildly aggressive turn. Even my mirage handles better than that.

But yeah in regards to the injectors definitely bite the bullet on the 740cc imo they are good for about 270rwkw (pretty much as much as you want to run a stock SR imo) on e85 with a FPR. So its great if you plan on getting a bigger turbo in the future! Gives good head room.

Edited by s15rocket, 21 March 2017 - 01:01 AM.


#6 adm15

  • Joined:17-February 15
  • Location:Australia VIC
  • Car:s15

Posted 21 March 2017 - 06:43 AM

Whatever you do, don't buy refurbished/redrilled junk. Genuine Nismo or top feed modern conversion if you could be bothered. Cheap eBay injectors is asking for trouble. My 2c.





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