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Old 10-02-2011, 07:18 AM   #1
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Default Injectors ticking

I installed 550 ccs new injectors in a stock 1990 controlled by an MS2. Right after install I heard a ticking noise coming from the intake manifold area. this is definitely not HLA noise. i never heard this noise on the miata before.

the injectors are from FiveOMotors, brand new, Bosch EV14. i calibrated the MS for the new injectors based on the calculator in the menu. the car runs fine, no difference from before.

could it be something else other than the injector(s)? i really don't think so, as this is the only thing i changed.

if it is an injector, what does this mean? can i drive it or should i try to identify which one and request another one from fieveomotors?

thanks
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Old 10-02-2011, 07:30 AM   #2
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It's normal.
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Old 10-02-2011, 09:38 AM   #3
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Yes that's the injectors and totally normal.
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Old 10-04-2011, 03:03 PM   #4
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I have exactly the same thing with my 550cc EV14s on a '91 controlled by an MS1. The injectors run fine, but are *so* noisy.

This was what I got from Bruce Holt at Fiveomotorsport when I reported this issue:

"The noise issue is with your installation not the injectors. Check it out."

I'm not particularly happy, as I've removed and reinstalled the injectors twice now and still get the loud ticking noise. My old Supra green top injectors were silent in comparison.
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Old 10-04-2011, 03:14 PM   #5
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same issue with my 550's on mspnp, i can't hear them with the hood down... so i don't worry about it much. just glad to see i'm not the only one with this problem
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Old 10-04-2011, 03:15 PM   #6
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Quote:
Originally Posted by trashy View Post
My old Supra green top injectors were silent in comparison.

Your old supra green top injectors were also shitty in comparison...


Last edited by Braineack; 10-04-2011 at 03:27 PM.
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Old 10-04-2011, 03:24 PM   #7
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Quote:
Originally Posted by Braineack View Post
Your old supra green top injectors were also shitty in comparison...

You are correct, sir.
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Old 10-04-2011, 04:40 PM   #8
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Mine are loud, means they are DOING WORK.
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Old 10-04-2011, 04:47 PM   #9
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You encounter lots of loud things in life, including people. Doesn't mean they are doing more work than the quiet ones ...

Looks like the EV14s are plain noisy at idle. I'm fine with this, but wish that Fiveomotorsport would have admitted it rather than question the installation.
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Old 10-04-2011, 05:22 PM   #10
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My RC 750 tic like a champ. That just means they are making power.
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Old 10-06-2011, 08:09 PM   #11
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I had DSM injectors in my old Honda and they were so loud it sounded like the valves were out of adjustment.
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Old 10-10-2011, 04:10 AM   #12
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Quote:
Originally Posted by Wildanimal View Post
I had DSM injectors in my old Honda and they were so loud it sounded like the valves were out of adjustment.
x2 my dsm 450's are hella loud
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