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Author: Subject: Rev limiter config zetec
markpost

posted on 16/3/17 at 08:26 PM Reply With Quote
Rev limiter config zetec

Hello Guys,

I'm searching for the right parameters for the Rev limiter.
I have a zetec blacktop 2.0 with itbs with a megasquirt ecu.
Peak hp @ 6000 rpm. I want the hard cut at 6500 soft -200.
But what do i use spark cut first then Fuel cut? I dont have a cat.

Thanks guys!

Greetz Mark

[Edited on 17/3/17 by markpost]

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Ugg10

posted on 16/3/17 at 08:34 PM Reply With Quote
No basis for this statement but I would cut fuel before spark otherwise you will be pumping neat fuel/air into a hot exhaust that may cause ignition in the exhaust. Had an issue with the coil drivers blowing on an ecu. Drove the car on two cylinders a mile home, the cat on that care made a great furnace!





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1968 Ford Anglia 105e, 1.7 Zetec SE, Mk2 Escort Workd Cup front end, 5 link rear
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Schrodinger

posted on 17/3/17 at 03:53 PM Reply With Quote
quote:
Originally posted by Ugg10
No basis for this statement but I would cut fuel before spark otherwise you will be pumping neat fuel/air into a hot exhaust that may cause ignition in the exhaust. Had an issue with the coil drivers blowing on an ecu. Drove the car on two cylinders a mile home, the cat on that care made a great furnace!


I would counter that by saying I would cut the ignition for the soft cut as you will be running lean and risk burning a hole in a piston cutting fuel but would cut both for the hard cut.





Keith
Aviemore

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