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Omex single coil rev limiter/alternatives?

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Old 17-01-2013, 04:49 PM
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m4tt274
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Default Omex single coil rev limiter/alternatives?

Im going to be looking into a rev limiter for the mk1 fiesta when its built. And ive also been asked about fitting one a saxo VTR, also with a single coil, but ECU controlled rev limiter at 6200.

Ok, so ive looked into fitting one on the mk1, i get the grasp of that.
Ive also looked into fitting one on the saxo, no problem with that (as long as i set the limiter below the 6200 standard)

My question is, are there any alternatives, as the omex seems a little steep at £100 for a rev limiter. I dont doubt they are good pieces of kit, but i would kick myslef if there was a £30 alternative.

Also, has anyone used one and what do they think?

This is what im looking at.
http://www.ebay.co.uk/itm/Omex-Perfo...item484f5c0a3c
Old 17-01-2013, 05:01 PM
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haz87
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Used one before on a cvh and it was a good piece of kit. I only paid £60 for mine off ebay but mine had the launch control option on it too, so was a bargain really.
Old 17-01-2013, 05:07 PM
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m4tt274
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Is the launch control a pain to wire in, or does it just have a button as such you put ... on the clutch? that limits it to (an adjustable) 3500rpm?
Old 17-01-2013, 05:13 PM
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haz87
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The launch control is fully adustable to like 10k rpm if you wanted just like the rev limiter itself. Its a push button so you can fit it wherever you want. Essentially you could swap it for a flick switch or whatever you fancied.
The whole unit has 4 wires iirc
Coil +
Coil -
and two separate Earths

took minutes to wire in

Last edited by haz87; 17-01-2013 at 05:14 PM.
Old 17-01-2013, 05:44 PM
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sounds the business!
i think i will try and get the launch control one!

Are there any others alternatives?
Old 17-01-2013, 05:50 PM
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Stolton
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I have a Omex Rev Limiter & Launch Control forsale.. I have sent you a PM fella
Old 17-01-2013, 06:06 PM
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m4tt274
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i have replied to your PM
Old 17-01-2013, 07:01 PM
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primedog
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how does the launch control work exactly???? once wire in how do u activate/de activate it???
Old 17-01-2013, 07:16 PM
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haz87
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With a switch (manually pushed/flicked)
Old 17-01-2013, 08:54 PM
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i would imagine you would do a dyno run, find where your peak torque is, then set the omex to limit spark to that RPM.
eg, 4100rpm rev limit, launch, then back to normal 7600rpm limit.

like this:
Old 17-01-2013, 09:05 PM
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primedog
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ok cool do you have to then turn the switch off at 7600rpm manually tho?
Old 17-01-2013, 09:39 PM
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Im not really sure, thats one of the reasons i was posting on here asking people who have used them.
Old 17-01-2013, 09:57 PM
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dawesy1700
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Just thought id pop my pennies worth in, with regards to simple, engine saving rev limiters, not launch control or shift.lights etc, ive had a rev limiting rotor arm in.my xflow.for.years and its bang on, mines set at 6k and they cost less than £10 posted from.h&h ignition.
Old 18-01-2013, 07:21 AM
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aha! great pennies worth.
I would still be interested in an electronic, adjustable rev limiter but will look into one of those!
Old 18-01-2013, 11:17 AM
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zippyobrien
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The video put up is anti lag and launch control.
Old 18-01-2013, 12:29 PM
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i know, but it demonstrated pretty well a 'launch control'
Old 18-01-2013, 12:44 PM
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haz87
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Ok, it really is simple.

You set your rev limit - this is your general rev limit, lets say 6500rpm, and saved in your module. You have two options, soft-cut and hard-cut.

You set your launch control limit - this is saved in the module

To use LC:
You hold the button, apply the accelerator. The module will then hold the car at the pre-set LC rpm, lets say 5000rpm. It will only release this limit when you release the button.

Picture the scenario:
Your holding your launch control button and throttle buried, the car is banging and popping at 5000rpm, the lights go green you launch and when you feel the car has picked up you let go of the button. You then accelerate to 6500 where your rev limiter kicks in, you then change gear and carry on.
Old 18-01-2013, 02:26 PM
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primedog
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Originally Posted by haz87
Ok, it really is simple.

You set your rev limit - this is your general rev limit, lets say 6500rpm, and saved in your module. You have two options, soft-cut and hard-cut.

You set your launch control limit - this is saved in the module

To use LC:
You hold the button, apply the accelerator. The module will then hold the car at the pre-set LC rpm, lets say 5000rpm. It will only release this limit when you release the button.

Picture the scenario:
Your holding your launch control button and throttle buried, the car is banging and popping at 5000rpm, the lights go green you launch and when you feel the car has picked up you let go of the button. You then accelerate to 6500 where your rev limiter kicks in, you then change gear and carry on.
perfect thats the kind of explanation i was after!!!! cheers mate!!
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