Thread: what brand and size injectors for t28/s4 combo??

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2010-12-02 23:07:37

jonwepa

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what brand and size injectors for t28/s4 combo??

I am just about to start my turbo build but need injectors. What size and and brand is most recommended when pushing 300whp?

Also best place to buy

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1991: SENTRA SE-R w/ bolt-ons
1991: Sentra SE-r 238whp 251tq [email]13.0@110mph..rip[/email]
1992: NX2000 (VE'd),B15 tranny,every bolton

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2010-12-03 00:08:27

cortrim1

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top feed or side feed. are you going to run 3 bar or 4 bar?

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Mike
92 SE-R SR20VE-T 6262 Powered 535whp and 380lbft @22psi
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2010-12-03 00:20:27

jonwepa

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Of course I would rather run sidefeed(easier), so i dont have to get a new rail, but msd's with a honda resistor box are cheap and as for size I would just probably run 72lbers for a future upgraded turbo if I decide to.

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1991: SENTRA SE-R w/ bolt-ons
1991: Sentra SE-r 238whp 251tq [email]13.0@110mph..rip[/email]
1992: NX2000 (VE'd),B15 tranny,every bolton

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2010-12-03 00:59:04

Ben

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What do you mean run a honda resistor box? I have heard of running in line resistors, but do the honda box's work?

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2010-12-03 01:03:28

Hybrid_DET Online/offline status of Hybrid_DET is unknown

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GT28RS will make 350-370 WHP at 15 PSI with S4 cams. Your total injs flow at 4 bar is only good for 340 WHP. So you will have to keep the boost down to 12 PSI. I would recommend getting 555cc injs that are good for 360 WHP 3bar and 420 WHP 4 bar.
Andreas Miko

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2010-12-03 01:20:49

jonwepa

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Originally Posted by Hybrid_DET

...

I am just going with msd 72's

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1991: SENTRA SE-R w/ bolt-ons
1991: Sentra SE-r 238whp 251tq [email]13.0@110mph..rip[/email]
1992: NX2000 (VE'd),B15 tranny,every bolton

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2010-12-03 01:23:00

jonwepa

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Originally Posted by Big
What do you mean run a honda resistor box? I have heard of running in line resistors, but do the honda box's work?

Honda's come with a little resistor box that you can use instead of the inline resistors.

I used it on my gtir top feed 444 injectors

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1991: SENTRA SE-R w/ bolt-ons
1991: Sentra SE-r 238whp 251tq [email]13.0@110mph..rip[/email]
1992: NX2000 (VE'd),B15 tranny,every bolton

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2010-12-03 02:24:26

STRATTON

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370s ull be fine, specially with the out the box jwt or calum tune. there tunes are so mild and safe, so youll be good.

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2010-12-03 02:41:15

Andreas Miko Online/offline status of Andreas Miko is unknown

Jah Guide

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use 480cc S15 injectors that can be had for $250-$275

370cc @ 4 bar is pushing it at 290 WHP

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2010-12-03 02:45:38

#10

STRATTON

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300 whp on 370ccs is about 90% inj duty cycle.

What dre posted is a very good cheap option if you rather not be on the edge.

Stratton.

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