Help - 1.8 injectors into NA6

JSE · Postby **JSE** » Wed May 31, 2006 9:27 pm

Just curious because I havn't been gettin gprices yet but how much would it cost for a set of 1.8 injectors for my NA6...and is it worth doing? Can u put them straight in also or is tuning required (im a paper pusher and am pretty mechanically illiterate)?

Astroboysoup · Postby **Astroboysoup** » Wed May 31, 2006 11:34 pm

i got my 1.8 injectors for $60 from the US including postage.

Steve is right about the 1.6 running rich.

I'm still saving to get my emanage to control the fuel and ignition before i install the 1.8 injectors

SuperMazdaKart · Postby **SuperMazdaKart** » Wed May 31, 2006 11:41 pm

gonna be getting rid of those standard 1.6l injectors astro? :mrgreen:

Astroboysoup · Postby **Astroboysoup** » Thu Jun 01, 2006 1:31 am

id have to keep em as spare in case of defection.

JSE · Postby **JSE** » Fri Jun 02, 2006 1:27 am

Would it be worth buying 1.8 injectors and installing them if i also installed apexi SAFC or Emanage?

sabretooth · Postby **sabretooth** » Fri Jun 02, 2006 12:34 pm

Steve 818 wrote:Bigger injectors are a waste of money and effort unless you are planning on turbocharging or supercharging your car. The demands of forced induction and most peoples desire to keep their engine running dictate a greater required fuel level which is beyond the output of the factory injectors.

Buying bigger injectors for an unmodified N/A engine is simply a waste of money. You will not see any improvement, and you will be throwing your money down the toilet.

This man speaks the truth. Why are you doing it?

JSE · Postby **JSE** » Fri Jun 02, 2006 1:01 pm

running a higher fuel curve with a piggyback ecu and bigger injectors I would have though would get more power (more fuel pumped in)....i havnt bought them or done it yet this was just a question.

thanks for advice guys

Matty · Postby **Matty** » Fri Jun 02, 2006 2:52 pm

More fuel alone does not make more power. You need more air as well. In the MX-5 (as with most cars) the airflow is the limitation, not the fuel flow.

sabretooth · Postby **sabretooth** » Fri Jun 02, 2006 5:57 pm

In a B6, the 1.6L stock injectors are only outdone by forced induction.

Sean · Postby **Sean** » Fri Jun 02, 2006 7:09 pm

Steve 818 wrote:There is a crude form of traction control that some aftermarket ECU's can achieve by adding more fuel to the engine when a loss of traction is detected.

More fuel definitely doesn't equal more power. Too much fuel will even cause an engine to stall just as easily as having too little fuel (don't ask me how I know that little fact......).

It can also be used in launch control/anti lag...
Add fuel and reduce timign and you'll get boost at lower RPM for a more powerful launch from the line and less boost drop when flat shifting.