I have just put in 12 a Turbo injectors as my secondaries, how would i test if they are coming on.

 

Can you exceed 3800 RPMS at full throttle? Then they are coming on.

Jarrett

 

Ok so ill get in the car and smash the paddle and see if it goes past 3800, if there not working am i expecting a really big hesitation

 

If your secondaries arent working, when you are DRIVING, and you try to exceed 3800, it will feel like you hit a brick wall above 3800.

Jarrett

 

is that only on full throttle or any amount of throttle
Is there an electrical way of testing these injectors.

 

Absolutely.

You can hit them with a 12 VDC source and listen for the click. Are the injectors currently installed in the vehicle? If they are, the best way is to just drive the car. Believe me, you will know if they arent firing. Even if ONE isnt firing, you will know about it.

 

Electrically test the injectors? Either take them to a diesel injection shop (or maybe a local automotive shop). They'll tell you everything about them. If you're looking for a DIY test, use a 1.5volt (AA, AAA, C, D cell battery) NOT I REPEAT NOT a car battery and connect alligator clips to the injector. If it tries to work, you'll hear (and feel) a small click. if it doesn work, swap the leads (swap the positive and negative positions).

 

I've hit mine with voltage and heard them click. That's a good way to see if they work. And on my TII I can get to 7k without my secondaries kicking in. Don't use rpm as a measure.

 

Do you have some way to control those big injectors? If not, expect to lose power...

 

okay gus i have a microtech mt8 i just put the injecters in ,im not sure of 2 things, did i connect them up wrong and are the actually working so how can i test these things wothout running the car lean and blowing it up

thanks for ure help in advanve

 

Ah, that's cool then. It helps if we know these things.

You will have to have the MT8 dyno-tuned, so you will find out pretty quickly then. Was the car running properly before you put the injectors in? If so the secondaries should still be working fine. They're just solenoid valves so you can't really wire them wrong. I believe 12AT injectors are low-impedance, so make sure the MT8 is okay with that.

 

in that case ignor the 3800 thing.

they probably come on as soon as you hit boost. atleast they should.